Liquid discharge device

Abstract

To solve the problem in which: a top face cover is required to be opened in a replenishment work of liquid when an upper side of a liquid storage section is covered with the top face cover in a liquid discharge device including the liquid storage section arranged on a front surface of the device, and workability is not good because the opened top face cover may interfere with the replenishment work.SOLUTION: A liquid discharge device includes: a device body having a liquid discharge head for discharging liquid to a medium; a top face cover openably / closably provided in an upper section of the device body; and a liquid storage section which stores the liquid discharged from the liquid discharge head and is arranged on a front surface side of the device body. The top face cover has a notch section for opening an upper side of the liquid storage section. In the notch section, opening area on an upper surface side is larger than opening area on a lower surface side.SELECTED DRAWING: Figure 40

Description

Technical Field

[0001] The present invention relates to a liquid ejection device.

Background Art

[0002] Patent Document 1 discloses a configuration in which a tank, which is an example of a liquid storage section, is arranged on the front surface of the apparatus, and the upper part of the tank is covered with a top surface cover.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In a liquid ejection device including a liquid storage section arranged on the front surface of the apparatus, when the upper part of the liquid storage section is covered with a top surface cover, it is necessary to open the top surface cover during the liquid replenishment operation. Further, the opened top surface cover may interfere with the replenishment operation, resulting in poor workability.

Means for Solving the Problems

[0005] The liquid ejection device includes an apparatus main body including a liquid ejection head that ejects liquid onto a medium, a top surface cover that is provided on the upper part of the apparatus main body so as to be openable and closable, and a liquid storage section that stores the liquid ejected from the liquid ejection head and is arranged on the front surface side of the apparatus main body. The top surface cover has a notch that opens above the liquid storage section, and the notch has a larger opening area on the upper surface side than on the lower surface side.

Brief Description of the Drawings

[0006]

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Mode for Carrying Out the Invention

[0007] An embodiment will be described. In each figure, the X-axis direction is the width direction of the apparatus, the -X direction is the right direction as viewed from the user when the front face of the apparatus faces the user, and the +X direction is the left direction. The Y-axis direction is the depth direction of the apparatus, the +Y direction is the direction from the back face to the front face of the apparatus, and the -Y direction is the direction from the front face to the back face of the apparatus. In the present embodiment, the face of the apparatus side on which the operation panel 15 is provided, that is, the side face in the +Y direction, is the front face of the apparatus. The Z-axis direction is the vertical direction, the +Z direction is vertically upward, and the -Z direction is vertically downward.

[0008] In FIG. 1, a first printer 1A which is an example of a liquid ejection apparatus is a multifunction machine including a scanner unit 3 which is an example of a reading unit on the upper part of an apparatus main body 2. The first printer 1A is an inkjet printer. The apparatus main body 2 generally has an outer shell in the shape of a box, and the apparatus main body 2 and the scanner unit 3 are configured to be substantially flush with each other on the side face in the -X direction, that is, the right side face, and the side face in the +X direction, that is, the left side face. The right side face and the left side face of the apparatus main body 2 and the scanner unit 3 are faces parallel to the Y-Z plane.

[0009] The apparatus main body 2 has a function of performing recording on a medium represented by recording paper, and the scanner unit 3 has a function of reading a document. The apparatus main body 2 includes an ink ejection head 17 (see FIGS. 14 and 16), which is an example of a liquid, and ejects ink onto the medium. The ink ejection head 17 is an example of a liquid ejection head. The ink ejection head 17 is provided on a carriage 16 (see FIGS. 14 and 16) that moves in the X-axis direction, that is, the medium width direction. Ink is supplied to the ink ejection head 17 from an ink storage unit 10, which is an example of a liquid storage unit described later, via an ink tube (not shown). The scanner unit 3 includes a unit main body 3c and a document cover 8. The scanner unit 3 is an example of a top cover. The scanner unit 3 is provided with a reading sensor 5 (see FIG. 14) extending in the Y-axis direction on the unit main body 3c. The reading sensor 5, which is an example of a reading unit for reading a document, is configured by a CIS (Contact Image Sensor) in the present embodiment, and reads a document placed on a document table 6 (see FIG. 9) while moving in the X-axis direction. The document table 6 is formed of glass as an example.

[0010] A document cover 8 for opening and closing the document table 6 is provided above the document table 6. The document cover 8 is connected to the unit main body 3c of the scanner unit 3 via a hinge (not shown) provided at the rear of the apparatus. The rotation axis of the document cover 8 is parallel to the X-axis direction, and the document cover 8 opens and closes the document table 6 by rotating with the +Y direction, that is, the front of the apparatus as a free end.

[0011] Instead of the original document cover 8, a document feeding device for automatically feeding the set original document may be provided. The second printer 1B shown in FIG. 2 has such a configuration, and is provided with a document feeding device 9 instead of the above-described original document cover 8. The document feeding device 9 is rotatably connected to the scanner unit 3 via a hinge (not shown) provided at the rear of the device in the same manner as the above-described original document cover 8. The rotation axis of the document feeding device 9 is parallel to the X-axis direction, and the document feeding device 9 opens and closes the document table 6 by rotating with the +Y direction, that is, the front of the device, as the free end. When reading the original document using the document feeding device 9, the reading sensor 5 (see FIG. 14) reads the conveyed original document while stopped at the end in the +X direction with respect to the document table 6. In this case, the first side of the original document is read by the reading sensor 5 (see FIG. 14), and the second side opposite to the first side is read by a reading sensor (not shown) provided inside the document feeding device 9. It is also possible to provide only the reading sensor 5 and provide a reversing path for reversing the original document, and configure to read the first side and the second side of the original document by reversing the original document by the reversing path and reading it by the reading sensor 5. The basic configurations of the unit main body 3c that constitutes the apparatus main body 2 and the scanner unit 3 in the first printer 1A and the second printer 1B are the same.

[0012] Returning to FIG. 1, an operation panel 15 for performing various operation settings is provided on the front surface of the apparatus. The operation panel 15 is tiltable and can be rotated between the first state shown in FIG. 1 and the second state (see FIGS. 12 and 13) in which the panel surface 15a, which is the front surface, faces in a direction more vertically upward than the first state. In the present embodiment, the panel surface 15a in the second state forms a slight downward inclination and forms a predetermined angle with respect to the horizontal plane. However, the panel surface 15a in the second state may be parallel to the horizontal plane.

[0013] In FIG. 1, a front cover 14 is provided below the operation panel 15. The front cover 14 is provided so as to be openable and closable, and can take a closed state (FIG. 1) and an open state (not shown). When the front cover 14 is opened, a discharge tray 13 (see FIG. 12) for receiving a medium on which recording is performed and discharged is exposed. The front cover 14 is rotatably provided with respect to a medium storage cassette (not shown). The medium stored in the medium storage cassette is sent out in the -Y direction by a feed roller (not shown), reversed, conveyed in the +Y direction while recording is performed, and discharged in the +Y direction. The closed front cover 14 and the operation panel 15 in the first state are flush with each other as shown in FIG. 1.

[0014] Subsequently, on the front surface of the apparatus main body 2 in the -X direction, that is, on the right side, an ink storage unit 10, which is an example of a liquid storage unit, is provided. Inside the ink storage unit 10, ink tanks 18A, 18B, 18C, and 18D (see FIG. 11), which are liquid storage containers, are provided. Hereinafter, when the ink tanks 18A, 18B, 18C, and 18D are not distinguished, they are collectively referred to as the ink tank 18. The ink tank 18 constitutes the ink storage unit 10. As an example, the ink tank 18A stores black ink, and the ink tanks 18B, 18C, and 18D store color inks, for example, yellow, magenta, and cyan inks, respectively.

[0015] The ink tank 18 is provided inside the exterior member 47 as shown in FIG. 1. The ink tank 18 is housed in the exterior member 47. For this reason, the exterior member 47 is also called an ink tank housing portion. An opening is provided in the front surface of the exterior member 47, whereby the remaining amount viewing portions 23A, 23B, 23C, and 23D for viewing the remaining ink amount are exposed on the front surface of the apparatus. The remaining amount viewing portions 23A, 23B, 23C, and 23D are each a part of the ink tank 18A, ink tank 18B, ink tank 18C, and ink tank 18D. That is, a part of the ink tank 18A, ink tank 18B, ink tank 18C, and ink tank 18D is formed to be transparent or translucent so that the inside can be viewed, and this portion becomes the remaining amount viewing portions 23A, 23B, 23C, and 23D. When there is no need to distinguish these of the remaining amount viewing portions 23A, 23B, 23C, and 23D, they are collectively referred to as the remaining amount viewing portion 23. The side surface of the exterior member 47 in the -X direction is flush with the side surfaces of the apparatus main body 2 and the scanner unit 3 in the -X direction.

[0016] A cover unit 45A is provided on the upper part of the exterior member 47. The cover unit has a plurality of embodiments, which will be described later with reference to FIGS. 3A to 3H. When there is no need to distinguish them hereinafter, they are collectively referred to as the cover unit 45. The cover unit 45 is an example of an opening / closing cover. The cover unit 45 is based on a cover member 46. The cover member 46, that is, the cover unit 45, is rotatably provided about a rotation shaft 45a (FIGS. 8A to 8C) provided at the lower part, and can take a closed state (FIGS. 1 and 8C) and a fully open state (FIG. 8A) by rotating. In the present embodiment, the axial center line of the rotation shaft 45a is parallel to the X axis. The cover member 46, that is, the cover unit 45 according to the present embodiment, is detachably provided with respect to the rotation shaft 45a. However, the cover member 46, that is, the cover unit 45, may be fixedly provided with respect to the rotation shaft 45a. The -X direction side surface of the cover unit 45 is flush with the -X direction side surface of the apparatus main body 2 and the scanner unit 3. Further, the +Y direction side surface, that is, the front surface of the cover unit 45 is flush with the +Y direction side surface, that is, the front surface of the exterior member 47.

[0017] As shown by the change from FIG. 1 to FIG. 4 or the change from FIG. 8C to FIG. 8A, the cover unit 45 has a free end at the upper end and opens by rotating forward of the apparatus from the closed state. The maximum opening angle of the cover unit 45 is less than 90° (see also FIG. 8A). Even when the cover unit 45 is fully opened, the cover unit 45 is configured so as not to obstruct the viewing of the remaining amount viewing portions 23A, 23B, 23C, and 23D. When the cover unit 45 is opened, as shown in FIG. 5, the opening / closing levers 21A, 21B, 21C, and 21D are exposed. FIG. 5 shows a state in which the opening / closing levers 21B, 21C, and 21D are closed and the opening / closing lever 21A is open. Hereinafter, when there is no need to distinguish them, the opening / closing levers 21A, 21B, 21C, and 21D are collectively referred to as the opening / closing lever 21.

[0018] For example, a sealing cap 20A is provided on the opening / closing lever 21A. As shown in FIGS. 5 and 6, an ink supply port 19A is provided in the ink tank 18A, and the ink supply port 19A is exposed by opening the opening / closing lever 21A. The sealing cap 20A is formed of an elastic material and closes the ink supply port 19A when the opening / closing lever 21A is closed. The user can open the opening / closing lever 21A and set an ink refill bottle (not shown) to the ink supply port 19A to refill the ink tank 18A through the ink supply port 19A. Similarly, the other ink tanks 18B, 18C, and 18D are each provided with an ink supply port 19B, an ink supply port 19C, and an ink supply port 19D as shown in FIG. 11. Similarly, sealing caps 20B, 20C, and 20D are provided on the opening / closing levers 21B, 21C, and 21D, respectively.

[0019] Next, a part of the outer surface of the cover unit 45 emits light. The light emission of the cover unit 45 is controlled by a control unit (not shown) according to the remaining ink amount. As an example, when the remaining ink amount is sufficient, the cover unit 45 does not emit light, and when the remaining ink amount is near the end, that is, close to zero, or when the ink reaches the end, that is, becomes zero, the cover unit 45 emits light. The light emission includes lighting and flashing, and it may be either lighting or flashing, or a combination of lighting and flashing. The control unit (not shown) grasps the remaining ink amount in the ink tank 18 by integrating the amount of ink ejected from the ink ejection head 17 (see FIGS. 14 and 16), and causes a part of the cover unit 45 to emit light as necessary.

[0020] The internal structure of the cover unit 45 will be described in detail later. Here, an example of the light-emitting part of the cover unit 45 will be described with reference to FIGS. 3A to 3H. In FIGS. 3A to 3H, the light-emitting part is indicated by a grid-like hatching. In the cover unit 45A shown in FIG. 3A, the light-emitting part 50A is provided at the upper end of the cover unit 45A. The upper end of the cover unit 45A, although details will be described later, has the inner side of the outer peripheral part recessed, so that the outer peripheral part protrudes upward. And the outer peripheral part protruding upward at the upper end of the cover unit 45A is configured as the light-emitting part 50A that emits light. That is, the light-emitting part 50A emits light in a ring shape. In addition to the light-emitting part 50A according to this embodiment, there are light-emitting parts 50A to 50H to be described later. When there is no need to distinguish them hereinafter, they are collectively referred to as the light-emitting part 50. In this embodiment, the light-emitting part means a part that emits light. According to this embodiment, since the light-emitting part 50A is provided at the upper end of the cover unit 45A, the visibility of the light-emitting part 50A is improved.

[0021] Also in this embodiment, since the light-emitting part 50A is provided along the outer periphery of the cover unit 45A at the upper end of the cover unit 45A and emits light in a ring shape, the length of the region where the light-emitting part 50A emits light can be ensured, and the visibility of the light-emitting part 50A is improved.

[0022] Also, in the cover unit 45A, the region inside the light-emitting part 50A is recessed. This makes the light-emitting part 50A even more prominent and improves the visibility of the light-emitting part 50A. In addition, when opening and closing the cover unit 45A, the upper part of the cover unit 45A can be used as a finger-hooking part, improving the operability of the cover unit 45A.

[0023] Next, the light-emitting unit 50 may have the configuration shown in FIG. 3B. The cover unit 45B shown in FIG. 3B includes a light-emitting unit 50B. The difference between the light-emitting unit 50B and the above-described light-emitting unit 50A is that it has a configuration that emits light not over the entire circumference but over a half circumference. In the light-emitting unit 50B of FIG. 3B, the side located in the -Y direction and the side located in the +X direction at the upper end of the cover unit 45B emit light, but the side located in the +Y direction and the side located in the -X direction may also emit light. Alternatively, among the four sides of the cover unit 45B at the upper end, namely the side located in the -Y direction, the side located in the +Y direction, the side located in the -X direction, and the side located in the +Y direction, any other two sides may emit light. Or alternatively, any one of the above four sides may emit light, or alternatively, any three of the above four sides may emit light.

[0024] The light-emitting unit 50 may have the configuration shown in FIG. 3C. The cover unit 45C shown in FIG. 3C includes a light-emitting unit 50C. In the present embodiment, the upper end of the cover unit 45C is formed in a flat shape and has a configuration in which the entire surface of the upper end emits light. However, in a configuration in which the upper end of the cover unit 45C is recessed inside the outer peripheral portion and the outer peripheral portion protrudes upward in the same manner as the other cover units 45 described above, a configuration in which the outer peripheral portion and the inside of the outer peripheral portion emit light may also be adopted.

[0025] The light-emitting unit 50 may have the configuration shown in FIG. 3D. The cover unit 45D shown in FIG. 3D includes a light-emitting unit 50D. In the present embodiment, the light-emitting unit 50D is provided inside the recessed inner side of the outer peripheral portion at the upper part of the cover unit 45D, and has a configuration in which a part of the inside of the outer peripheral portion emits light. However, the upper part of the cover unit 45D may be formed in a flat shape in the same manner as the above-described cover unit 45C, and the light-emitting unit 50D may be provided in a part thereof. The light-emitting unit 50D has a square shape in plan view, but is not limited thereto and may be other figures, or may not be limited to figures and may be characters. As described above, since the light-emitting units 50A, 50B, 50C, and 50D are provided at the upper part of the cover unit 45, the visibility of the light-emitting unit 50 is improved.

[0026] Further, the light-emitting unit 50 may have the configuration shown in FIG. 3E. The cover unit 45E shown in FIG. 3E includes a light-emitting unit 50E. In the present embodiment, the light-emitting unit 50E is configured such that the side in the +Y direction and the side in the -X direction emit light at the lower end of the cover unit 45E. However, the light-emitting unit 50E may cause any two of the three sides, i.e., the side located in the +Y direction, the side located in the -X direction, and the side located in the +X direction and positioned in the +Y direction from the operation panel 15, at the lower end of the cover unit 45E to emit light, or may cause any one side to emit light.

[0027] Further, the light-emitting unit 50 may have the configuration shown in FIG. 3F. The cover unit 45F shown in FIG. 3F includes a light-emitting unit 50F. In the present embodiment, the light-emitting unit 50F is configured to be provided on a part of the side in the +Y direction at the lower end of the cover unit 45F. However, the light-emitting unit 50F may be configured to be provided on a part of the side in the -X direction at the lower end of the cover unit 45F.

[0028] As described above, the light-emitting unit 50E and the light-emitting unit 50F are respectively provided at the lower ends of the side surfaces located above the remaining amount viewing unit 23 in the cover unit 45E and the cover unit 45F. This enables the remaining amount viewing unit 23 and the light-emitting unit 50 to be viewed at a close distance, making it easier for the user to view information related to the remaining amount of ink.

[0029] Further, the light-emitting unit 50 may have the configuration shown in FIG. 3G. The cover unit 45G shown in FIG. 3G includes a light-emitting unit 50G. In the present embodiment, the light-emitting unit 50G has a shape extending in the Z-axis direction. Also, the light-emitting unit 50G is provided at the end in the -X direction on the side surface in the +Y direction of the cover unit 45G. However, the light-emitting unit 50G may be provided at the end in the +X direction on the side surface in the +Y direction of the cover unit 45G, or may be provided at the center in the X-axis direction.

[0030] Also, the light-emitting unit 50 may have the configuration shown in FIG. 3H. The cover unit 45H shown in FIG. 3H includes the light-emitting unit 50H. In the present embodiment, the light-emitting unit 50H is provided on a part of the +Y-direction side surface of the cover unit 45G. The light-emitting unit 50H has a rectangular shape in plan view, but is not limited thereto and may have other shapes or may be characters instead of shapes. As described above, the light-emitting unit 50G and the light-emitting unit 50H are provided on the side surfaces located above the remaining amount viewing unit 23 in the cover unit 45G and the cover unit 45H, respectively. This allows the remaining amount viewing unit 23 and the light-emitting unit 50 to be viewed on the same plane, making it easier for the user to view information related to the remaining amount of ink.

[0031] As described above, the light-emitting unit 50 according to each of the above embodiments is provided in the cover unit 45 that can be switched between a closed state covering the ink supply port 19 for supplying ink and an open state opening the ink supply port 19. In addition, although details will be described later, the light source 60 is also provided in the cover unit 45. Since the light-emitting unit 50 and the light source 60 are provided in the cover unit 45 in this way, when maintenance work such as replacement of the light source 60 is required, it is sufficient to simply remove the cover unit 45, or maintenance work can be performed without removing the cover unit 45. This eliminates the need to disassemble the device housing extensively, making the maintenance work easier.

[0032] In the present embodiment, the light-emitting unit 50 emits light according to the remaining amount of ink stored in the ink storage unit 10, but is not limited thereto, and may emit light according to other states of the apparatus main body 2, for example, various error states, maintenance states, printing states, document reading states, etc. Also, the operation may be guided using the emitted light. The following (1) to (12) are specific examples thereof. The following (1) to (12) may adopt only one, or any plurality thereof. (1) A sensor for detecting the presence or absence of a medium is provided on the discharge tray 13. After the recorded medium is discharged onto the discharge tray 13, if the discharged medium is not taken out by the user even after a predetermined time has elapsed, the light emitting unit 50 is caused to emit light as a notification to that effect. The light emitting unit 50 may be caused to emit light to notify the completion of the discharge of the medium onto the discharge tray 13.

[0033] (2) A sensor for detecting the presence or absence of a document is provided on the discharge tray (not shown) of the document feeder 9 provided in the second printer 1B. After the read document is discharged onto the discharge tray, if the discharged document is not taken out by the user even after a predetermined time has elapsed, the light emitting unit 50 is caused to emit light as a notification to that effect. (3) When a document is placed on the document table 6 and the document remains placed even after a predetermined time has elapsed, the light emitting unit 50 is caused to emit light as a notification to that effect. (4) When the medium in the medium storage cassette (not shown) runs out or when there is no medium on the medium feed tray (not shown), based on the information of the sensor that detects these, the light emitting unit 50 is caused to emit light as a notification to that effect.

[0034] (5) A sensor for detecting the presence or absence of a document is provided on the feed tray (not shown) of the document feeder 9 provided in the second printer 1B. When there is no subsequent document following the preceding document on the feed tray, the light emitting unit 50 is caused to emit light as a notification to that effect. (6) A sensor for detecting that the medium has reached the loadable amount limit is provided on the discharge tray 13. When the loadable amount limit is reached, the light emitting unit 50 is caused to emit light as a notification to that effect. (7) A sensor for detecting that the document has reached the loadable amount limit is provided on the discharge tray (not shown) of the document feeder 9 provided in the second printer 1B. When the loadable amount limit is reached, the light emitting unit 50 is caused to emit light as a notification to that effect.

[0035] (8) When wireless communication is possible between the control unit (not shown) provided in the first printers 1A and 1B and an external information terminal, the light emitting unit 50 is caused to emit light as a notification that wireless communication is in progress. (9) When the first printers 1A and 1B are configured to be battery-powered, the light-emitting unit 50 is caused to emit light as a notification that charging is in progress. (10) The light-emitting unit 50 is caused to emit light as a notification that the replacement time of a consumable is approaching or has been reached. Examples of the consumable include a feed roller. (11) A sensor for detecting the open / closed state of a part to be opened and closed is provided. When the part to be opened and closed remains open for a predetermined time, the light-emitting unit 50 is caused to emit light as a notification to that effect. Examples of the part to be opened and closed include a document cover 8, a document feeder 9, a cover unit 45, an open / close lever 21, etc. (12) During the maintenance operation of the ink ejection head 17 or during the initial filling of ink, the light-emitting unit 50 is caused to emit light as a notification to that effect.

[0036] In this embodiment, the light-emitting unit 50 emits light according to the remaining amount of ink stored in the ink storage unit 10. In other words, the cover unit 45 is configured to emit light according to the remaining amount of ink stored in the ink storage unit 10. That is, since the part that the user should first operate when the ink runs out emits light, the user can visually recognize the part to be operated next, and the usability can be improved.

[0037] In addition, the cover unit 45 opens and closes by rotating the upper end as a free end during rotation. Further, the cover unit 45 opens when the upper part moves forward from the closed state and closes when the upper part moves backward from the open state. As a result, no space is required above or on the side of the device when the cover unit 45 is opened and closed, and the space required for installing the device can be saved. In addition, the upper ends of the cover unit 45A, cover unit 45B, cover unit 45D, cover unit 45E, cover unit 45F, cover unit 45G, and cover unit 45H have a recessed area inside the outer peripheral part. Therefore, the user can open and close the cover unit 45 by hanging a finger on the upper end of each cover unit, thereby improving the operability of the cover unit 45. In addition, in the cover unit 45A, the light emitting part 50A becomes the part where the user hangs a finger, making it easier for the user to identify the part to be operated.

[0038] The light emitting part of the light emitting part 50A shown in FIG. 3A may be controlled to move visually along the outer periphery of the cover unit 45A. Although it will be described in detail later, in the present embodiment, the light emitting part 50A includes four light sources 60 (see FIG. 20). By sequentially turning on and off the four light sources 60 in the clockwise or counterclockwise direction, the light emitting part of the light emitting part 50A can be made to appear to move visually along the outer periphery of the cover unit 45A. Thereby, the visibility of the light emitting part 50 is further improved. The fact that the light emitting part of the light emitting part 50A moves visually does not mean that the light emitting part 50A physically moves as described above. It means that as a result of the change in the part that is emitting light in the light emitting part 50A over time, the light emitting part appears to move. For example, in the light emitting part 50F shown in FIG. 3F or the light emitting part 50G shown in FIG. 3G, the light emitting part may be made to appear to move linearly visually. That is, when a plurality of light sources are arranged side by side in a straight line, when the light sources are sequentially turned on and off from one end to the other end, the light emitting part can be made to appear to move linearly visually.

[0039] Next, the positional relationship between the ink storage unit 10 and the scanner unit 3 will be described. Hereinafter, the cover unit 45 will be described by taking the cover unit 45A among the above-described multiple embodiments as an example. When replenishing ink to the ink storage unit 10, it is preferable that the upper part of the ink storage unit 10 is largely open from the viewpoint of workability. If the upper part of the ink storage unit 10 is covered by the scanner unit 3, it is necessary to open the scanner unit 3. To open the scanner unit 3, a large space is required above the apparatus. To solve such a problem, it is conceivable to provide the ink storage unit 10 so as to largely protrude forward or to the side of the apparatus. However, in this case, the apparatus as a whole becomes large.

[0040] Therefore, in the first printer 1A according to the present embodiment, the scanner unit 3 has a notch 3a at a corner on the front side of the apparatus as shown in FIG. 4. Then, a cover unit 45 which is a part of the ink storage unit 10 enters the notch 3a, and the upper part of the ink storage unit 10 is in an open state. With such a configuration, it is possible to access the ink storage unit 10 from above without opening the scanner unit 3, and the work of replenishing ink to the ink storage unit 10 can be easily performed. Further, since a part of the ink storage unit 10 is provided in a state of entering the notch 3a, the ink storage unit 10 does not largely protrude forward from the front surface of the apparatus, and the enlargement of the apparatus can be suppressed. In the present embodiment, the printer 1 has the notch 3a and the ink storage unit 10 at the corner in the -X direction on the front side of the apparatus, but may have the notch 3a and the ink storage unit 10 at the corner in the +X direction on the front side of the apparatus.

[0041] Also, in the plan view of the apparatus, the shape of the notch 3a follows the outer shape of the cover unit 45 (see FIG. 14). Thereby, no useless space is formed between the cover unit 45 and the scanner unit 3, and the enlargement of the apparatus can be suppressed.

[0042] The notch along the outer shape of the cover unit 45 is formed not only in the unit main body 3c but also in the document cover 8 as indicated by reference numeral 8a. As a result, it is possible to access the ink storage unit 10 from above without opening the document cover 8, and the work of replenishing ink to the ink storage unit 10 can be easily performed. The notch 3a formed in the unit main body 3c and the notch 8a formed in the document cover 8 generally coincide in contour when viewed in the plan view of the apparatus, that is, when viewed from the +Z direction (see FIG. 14).

[0043] Similarly, in the second printer 1B including the document feeding device 9 as shown in FIG. 2, the scanner unit 3 has the notch 3a, and the cover unit 45 which is a part of the ink storage unit 10 enters the notch 3a. A notch 9a is also formed in the document feeding device 9. As a result, the upper part of the ink storage unit 10 is open. The notch 3a formed in the unit main body 3c and the notch 9a formed in the document feeding device 9 generally coincide in contour when viewed in the plan view of the apparatus, that is, when viewed from the +Z direction. However, in the document feeding device 9, the notch 9a is formed so as to be slightly larger in the +Z direction.

[0044] Next, as shown in FIG. 10, the height position of the upper end of the cover unit 45 in the vertical direction in the closed state is aligned with the height position of the placement surface 6a on the platen 6. The upper end of the cover unit 45 is the part located in the most +Z direction of the cover unit 45 in the Z-axis direction. In FIG. 10, the symbol Z1 indicates the height position of the upper end of the cover unit 45 and the height position of the placement surface 6a on the platen 6. Thereby, the following operational effects can be obtained. When the size of the document is larger than the size of the platen 6, the document will protrude from the platen 6 when the document is placed on the platen 6. In this case, if the height position of the upper end of the cover unit 45 in the closed state is too high relative to the height position of the platen 6, the cover unit 45 will get in the way. Conversely, if the height position of the upper end of the cover unit 45 in the closed state is too low relative to the height position of the platen 6, problems such as the document sagging significantly and the document being prone to skew relative to the platen 6 or the document developing a bend may occur. However, as described above, since the height position of the upper end of the cover unit 45 in the closed state is aligned with the height position of the placement surface 6a on the platen 6, the occurrence of the above-described problems can be suppressed.

[0045] The fact that the height position of the upper end of the cover unit 45 in the closed state is aligned with the height position of the placement surface 6a on the platen 6 does not mean that they are necessarily the same, but includes those with some errors as long as the above problems do not occur. As an example, the difference between the height position of the upper end of the cover unit 45 in the closed state and the height position of the placement surface 6a on the platen 6 is preferably less than 8 mm, more preferably less than 4 mm, and even more preferably 0 to 2 mm.

[0046] Also, when the operation panel 15 is in the first state, that is, when the panel surface 15a is along the vertical plane, in the Y-axis direction, that is, the depth direction of the apparatus, the operation panel 15 is within the area Wb of the cover unit 45 (see Fig. 14). And as shown in Fig. 11, the height position of the upper end of the cover unit 45 in the closed state and the height position of the upper end of the operation panel 15 in the first state are aligned. The upper end of the operation panel 15 is the part that is located most in the +Z direction of the operation panel 15 in the Z-axis direction. In Fig. 11, the symbol Z1 indicates the height position of the upper end of the cover unit 45 and the height position of the upper end of the operation panel 15. Thereby, the height position of the upper end of the cover unit 45 in the closed state, the height position of the upper end of the operation panel 15 in the first state, and the height position of the placement surface 6a on the original document table 6 will be aligned. Thereby, when the original document protrudes from the original document table 6, the operation panel 15 will not get in the way, and the original document protruding from the original document table 6 can be appropriately supported by the cover unit 45 and the operation panel 15.

[0047] That the height position of the upper end of the cover unit 45 in the closed state and the height position of the upper end of the operation panel 15 in the first state are aligned does not mean that they are necessarily the same, but includes those with some errors as long as the above-mentioned problems do not occur. As an example, the difference between the height position of the upper end of the cover unit 45 in the closed state and the height position of the upper end of the operation panel 15 in the first state is preferably less than 8 mm, more preferably less than 4 mm, and still more preferably 0 to 2 mm.

[0048] Even when the operation panel 15 is in the second state where the panel surface 15a is in a downward inclined state, the height position of the upper end of the cover unit 45 in the closed state and the height position of the upper end of the operation panel 15 are aligned (see Figs. 12 and 13). Thereby, regardless of the state of the operation panel 15, the above-mentioned effects can be obtained. In Fig. 13, the symbol Z1 indicates the height position of the upper end of the cover unit 45, the height position of the placement surface 6a on the original document table 6, and the height position of the upper end of the operation panel 15 in the second state.

[0049] Next, as shown in FIG. 9, the scanner unit 3 includes a frame member 7 that forms the periphery of the platen 6. The frame member 7 has a first stepped portion 3b that creates a gap from the cover unit 45 in the planar direction, i.e., the X-Y plane direction, as shown in FIGS. 6 and 10. This makes it easier for the user to recognize the presence of the cover unit 45, improving usability. Further, by creating this gap, when placing and reading a large document that protrudes from the frame member 7, damage caused by pinching the document between the document cover 8 and the cover unit 45 can be suppressed.

[0050] Also, as described above, when the operation panel 15 is in the first state, i.e., when the panel surface 15a is along the vertical plane, the operation panel 15 is within the area Wb of the cover unit 45 in the Y-axis direction, i.e., the depth direction of the apparatus (see FIG. 14). The operation panel 15 has a second stepped portion 15b that creates a gap from the cover unit 45 in the planar direction, i.e., the X-Y plane direction, as shown in FIGS. 5 and 11. This makes it easier for the user to recognize the presence of the cover unit 45, improving usability.

[0051] Next, other features of the ink storage portion 10 will be described hereinafter. In the present embodiment, the color of the outer surface of the ink storage portion 10 is different from the color of the outer surface of the portion of the apparatus main body 2 excluding the ink storage portion 10. As an example, the lightness of the color of the outer surface of the ink storage portion 10 is higher than the color of the outer surface of the portion of the apparatus main body 2 excluding the ink storage portion 10. More specifically, the color of the outer surface of the portion of the apparatus main body 2 excluding the ink storage portion 10 is black, and the colors of the outer surfaces of the cover member 46 and the exterior member 47 that constitute the cover unit 45 are gray. By configuring in this way, it becomes even easier for the user to recognize the presence of the cover unit 45, improving usability. The lightness of the color of the outer surface of the ink storage portion 10 may be made lower than the color of the outer surface of the portion of the apparatus main body 2 excluding the ink storage portion 10.

[0052] In addition, since the cover unit 45A according to the present embodiment is configured such that the upper end emits light as described with reference to FIG. 3A, the user can more easily recognize the presence of the cover unit 45A, improving usability.

[0053] Subsequently, as shown in FIGS. 5 to 7, FIGS. 8A, 8B, and 8C, a wall portion 46a is formed inside the cover member 46 that constitutes the cover unit 45. The wall portion 46a forms a plane along the X-Z plane when the cover unit 45 is in the closed state. Hereinafter, the effects of this wall portion 46a will be described. First, FIG. 8A shows a state where the cover unit 45 is fully open and the opening / closing lever 21 is open. When the cover unit 45 is closed from this state, as shown in FIG. 8B, the wall portion 46a abuts against the opening / closing lever 21 and rotates the opening / closing lever 21 in the closing direction. Then, when the cover unit 45 is closed as shown in FIG. 8C, the wall portion 46a brings the opening / closing lever 21 into a fully closed state. In this way, when the cover unit 45 is closed, the opening / closing lever 21 is also closed. Therefore, even if the user forgets to close the opening / closing lever 21, the opening / closing lever 21 can be closed, suppressing the evaporation of moisture in the ink tank 18.

[0054] Also, inside the cover member 46, as shown in FIGS. 6, 7, and 11, a plate portion 46d is provided. The plate portion 46d forms a plane parallel to the X-Y plane when the cover unit 45 is in the closed state. A substrate 51 (see FIG. 17), which will be described later, is provided above the plate portion 46d when the cover unit 45 is in the closed state. And in the plate portion 46d, as shown in FIG. 7, a notch portion 46b, and holes 46c-1 and 46c-2 are formed. The notch portion 46b is a part for passing a cable (not shown) extending from the substrate 51 (see FIG. 17). Also, the holes 46c-1 and 46c-2 are parts where two bosses 56f formed on a holder 56 (see FIG. 17), which will be described later, are fitted.

[0055] When the cover unit 45 is opened, there is a risk that a user may accidentally touch a cable (not shown) extending from the notch 46b or the boss 56f, and as a result, static electricity may be transmitted to the substrate 51, which may have an adverse effect on the substrate 51. However, since the wall portion 46a is provided inside the cover member 46, when the cover unit 45 is opened as shown in FIG. 5, a cable (not shown) extending from the notch 46b or the boss 56f is hidden by the wall portion 46a. As a result, it is possible to prevent a user from accidentally touching a cable (not shown) extending from the notch 46b or the boss 56f.

[0056] Subsequently, taking the light emitting unit 50A constituting the cover unit 45A as an example, the positional relationship between the light emitting unit 50A and the components of the printer 1 will be described. As shown in FIG. 14, when the operation panel 15 is in the first state, in the Y-axis direction, that is, the depth direction of the apparatus, the operation panel 15 is within the region Wb of the light emitting unit 50A. Also, as shown in FIGS. 11 and 14, in the X-axis direction, that is, the width direction of the apparatus, the ink supply port 19 is within the region Wa of the light emitting unit 50A. Further, as is clear from FIG. 1, in the X-axis direction, that is, the width direction of the apparatus, the length of the document cover 8 is longer than the length of the light emitting unit 50A.

[0057] Also, in the X-axis direction, that is, the width direction of the apparatus, as is clear from FIG. 1, the remaining amount visual recognition unit 23 is within the region of the light emitting unit 50A. As a result, the remaining amount visual recognition unit 23 and the light emitting unit 50A can be visually recognized at a short distance, making it easier for the user to visually recognize information related to the remaining amount of ink.

[0058] Also, as shown in FIG. 14, in the X-axis direction, that is, the width direction of the apparatus, when the reading sensor 5 constituting the scanner unit 3 is in the home position, the reading sensor 5 is within the region Wa of the light emitting unit 50A. Also, in the X-axis direction, that is, the width direction of the apparatus, the carriage 16 located in the home position is within the region Wa of the light emitting unit 50A. Further, as shown in FIG. 16, in the vertical direction, the upper surface of the carriage 16 is at a position lower than the light emitting unit 50A. In FIG. 16, reference numeral Z1 indicates the range occupied by the light emitting unit 50A in the Z-axis direction, and reference numeral Z2 indicates the position of the upper surface of the carriage 16 in the Z-axis direction.

[0059] Also, as shown in FIG. 15, the apparatus main body 2 includes a maintenance unit 41 for maintaining the ink ejection head 17, and a waste liquid storage unit 42 for storing, as waste liquid, the ink ejected from the ink ejection head 17 with respect to the maintenance unit 41. The maintenance unit 41 includes a cap unit (not shown) for capping the ink ejection head 17, and a pump (not shown) for generating a negative pressure with respect to the cap unit. The ink ejected to the cap unit is sent to the waste liquid storage unit 42 by the pump. In the X-axis direction, that is, the apparatus width direction, the carriage 16 located at the home position, the maintenance unit 41, and the waste liquid storage unit 42 are within the region Wa of the light emitting unit 50A.

[0060] Subsequently, taking the light emitting unit 50A that constitutes the cover unit 45A as an example, the detailed configuration of the light emitting unit 50A will be described. The cover unit 45A can also be referred to as a light emitting device that emits light. As shown in FIG. 17, the cover unit 45A includes a cover member 46, a substrate 51, a color filter 57, a light guide member 53, a reflection sheet 54, a light shielding sheet 55, and a holder 56.

[0061] As shown in FIG. 11, the cover member 46 is provided with the plate portion 46d described with reference to FIG. 7, and the substrate 51 is provided above this plate portion 46d. A light guide member 53 is provided above the substrate 51. Although not shown in FIG. 11, a reflection sheet 54 shown in FIG. 17 is provided above the light guide member 53, a light shielding sheet 55 is provided above the reflection sheet 54, and a holder 56 is provided above the light shielding sheet 55. The light emitting unit 50A is constituted by a part of the light guide member 53.

[0062] A cylindrical screw fitting portion 56g is formed at the central portion of the holder 56. In FIG. 17, the screw fitting portion 56g passes through a hole 51a formed at the central portion of the substrate 51, a fourth hole h4 formed in the light guide member 53, a hole 54a formed at the central portion of the reflection sheet 54, and a hole 55a formed at the central portion of the light shielding sheet 55. Further, a pedestal portion 46e (see FIGS. 6 and 11) serving as a pedestal for the substrate 51 is formed on the plate portion 46d of the cover member 46 along the outer shape of the substrate 51, and a recess 46f is formed inside the pedestal portion 46e as shown in FIGS. 6 and 11. The screw fitting portion 56g of the holder 56 fits into the recess 46f. Then, a screw 58 is fitted into the screw fitting portion 56g as also shown in FIG. 7. Thereby, the substrate 51, the light guide member 53, the reflection sheet 54, and the light shielding sheet 55 are provided in a state of being sandwiched between the plate portion 46d and the holder 56.

[0063] Two bosses 56f are formed on the holder 56 so as to sandwich the screw fitting portion 56g. In FIG. 17, one of the bosses 56f passes through a hole 55b formed in the light shielding sheet 55, a hole 54b formed in the reflection sheet 54, a hole 53d1 (see FIGS. 18 to 20) formed in the light guide member 53, and a hole 51b formed in the substrate 51, and fits into a hole 46c-1 (see FIG. 7) formed in the plate portion 46d of the cover member 46. The other boss 56f passes through a hole 55c formed in the light shielding sheet 55, a hole 54c formed in the reflection sheet 54, a hole 53d2 (see FIGS. 18 to 20) formed in the light guide member 53, and a hole 51c formed in the substrate 51, and fits into a hole 46c-1 (see FIG. 7) formed in the plate portion 46d of the cover member 46. By the above-described bosses 56f, the relative positions of the cover member 46, the holder 56, the light shielding sheet 55, the reflection sheet 54, the light guide member 53, and the substrate 51 in the X-Y plane are determined.

[0064] The hole 55c formed in the light-shielding sheet 55 is formed as a long hole extending in the X-axis direction, different from the hole 55b. Similarly, the hole 54c formed in the reflection sheet 54 is formed as a long hole extending in the X-axis direction, different from the hole 54b. Similarly, the hole 51c formed in the substrate 51 is formed as a long hole extending in the X-axis direction, different from the hole 51b. Similarly, the hole 53d2 formed in the light guide member 53 is formed as a long hole extending in the X-axis direction, different from the hole 53d1. Similarly, the hole 46c-2 (see FIG. 7) formed in the cover member 46 is formed as a long hole extending in the X-axis direction, different from the hole 46c-1 (see FIG. 7). Thus, even if there are some errors in the positions of the holes formed in each member, the two bosses 56f can be fitted into the two holes formed in each member.

[0065] Next, as shown in FIGS. 18 and 19, the light guide member 53 integrally includes a flat plate portion 53a and an outer wall portion 53b that rises in a direction intersecting the surface of the plate portion 53a, specifically in the +Z direction. The outer wall portion 53b is provided along the periphery of the plate portion 53a. A large number of holes are provided in the plate portion 53a, and a light source 60 provided on the substrate 51 is disposed inside one of them, the first hole h1, as shown in FIG. 20. In FIG. 20, reference numerals E1, E2, E3, and E4 indicate the peripheries of the light guide member 53 in a plan view of the plate portion 53a. The peripheries E1 and E3 are peripheries extending along the X-axis direction, and the peripheries E2 and E4 are peripheries extending along the Y-axis direction. The portion where the two peripheries intersect is formed in an R shape. The lengths of the peripheries E1 and E3 are longer than the lengths of the peripheries E2 and E4. Hereinafter, when there is no need to distinguish the peripheries E1, E2, E3, and E4, they are collectively referred to as the periphery E. When collectively referred to as the periphery E, it means including the portions where the respective peripheries intersect, that is, the portions formed in an R shape, in addition to the peripheries E1, E2, E3, and E4.

[0066] In this embodiment, four light sources 60 are arranged, and each light source 60 is arranged to emit light in directions facing outward and opposite to each other. Specifically, the light source 60A emits light in a direction in which the center of the emission direction includes an -X direction component and a -Y direction component. The light source 60B emits light in a direction in which the center of the emission direction includes a +X direction component and a -Y direction component. The light source 60C emits light in a direction in which the center of the emission direction includes a +X direction component and a +Y direction component. The light source 60D emits light in a direction in which the center of the emission direction includes an -X direction component and a +Y direction component. When there is no need to distinguish these light sources 60A, 60B, 60C, and 60D, they are collectively referred to as the light source 60.

[0067] The light emitted from the light source 60 enters the light guide member 53 from the inner side surface, that is, the inner surface of the first hole h1, and travels toward the periphery E of the light guide member 53 and is emitted from the outer wall portion 53b. That is, the outer wall portion 53b constitutes the light emitting portion 50A. Hereinafter, the inner side surface of the first hole h1 may be simply referred to as the side surface of the first hole h1 or the inner surface of the first hole h1. Since the light emitted from the light source 60 travels inside the light guide member 53, the light guide member 53 is formed of a material having light transmissibility, and is, for example, formed of a light transmissible resin material. As the light transmissible resin material, for example, resin materials such as acrylic, styrene, polyethylene, and polycarbonate can be used. Of course, the light guide member 53 may use glass instead of the light transmissible resin material.

[0068] It is also preferable to contain a light diffusing material in the light guide member 53. Thereby, the state of light reflection inside the light guide member 53 can be blurred, and it can be made to appear to emit light uniformly. The light diffusing material may be any substance that is added to the light transmissible material and has a light diffusing function. For example, inorganic particles such as aluminum oxide, silicon oxide, titanium oxide, and calcium carbonate, or organic particles such as silicone resin and acrylic resin can be used. Instead of containing the light diffusing material, a light diffusing resin may be used. As an example, a light diffusing specification resin such as Delpet (registered trademark of Asahi Kasei Corporation) can be used.

[0069] Instead of, or in addition to, incorporating a light diffusing material into the light guide member 53, the surface of the light guide member 53 may be embossed. Thereby, the state of light reflection inside the light guide member 53 can be blurred, and it can be made to appear to emit light uniformly.

[0070] Also, a light diffusing surface may be disposed on the inner surface of the first hole h1. Thereby, the bright spots are less conspicuous, and it becomes easier to visually recognize a uniform light emission state. The light diffusing surface in this case can be realized by embossing the inner surface of the first hole h1 or by disposing a film having light diffusing properties between the light source 60 and the inner surface of the first hole h1. Also, such light diffusing properties may be provided to the color filter 57 described later. In order to ensure light emission uniformity, the scattering angle is preferably 15 to 30 degrees, and more preferably 20 degrees.

[0071] As the light source 60, for example, an LED (Light Emitting Diode) can be adopted. Although there are various colors of LEDs, a white LED is used in this embodiment. As shown in FIG. 21, a color filter 57 is disposed between the inner surface of the first hole h1 and the light source 60, and the emission color is adjusted by the color filter 57. The emission color can be easily adjusted by the color filter 57. The color filter 57 can adopt blue as an example. The color filter 57 is preferably provided so as to entirely cover the inside of the first hole h1. In this embodiment, the color filter 57 has flexibility and is disposed in a curved arc shape, so it can adhere to the inner surface of the first hole h1 by the force trying to return to the original linear state. However, the whole or a part of the color filter 57 may be fixed using a double-sided tape, an adhesive, or the like.

[0072] Next, the second hole h2 and the third hole h3 formed in the plate portion 53a will be described. The second hole h2 and the third hole h3 are holes for making the light-emitting portion 50A, that is, the light-emitting portion 50A that emits light in a ring shape, appear to emit light uniformly with suppressed luminance unevenness. In particular, at a portion close to the light source 60 and a portion far from the light source 60, the luminance of the portion close to the light source 60 tends to be relatively higher than that of the portion far from the light source 60, but this is suppressed by each hole described below. Each hole described below is a hole that penetrates in the thickness direction of the plate portion 53a, that is, the Z-axis direction, but may be a concave portion that does not penetrate the +Z-direction surface or the -Z-direction surface of the plate portion 53a. As shown in FIGS. 18 to 20, four first holes h1 are formed in the plate portion 53a in the present embodiment. As described above, the light source 60 is disposed in the first hole h1.

[0073] In a plan view of the plate portion 53a, a plurality of second holes h2 are provided at intervals along the periphery E between the first hole h1 and the periphery E. Further, between the first hole h1 and the second hole h2 in a plan view of the plate portion 53a, third holes h3a, third holes h3b, and third holes h3c are formed. When these third holes h3a, third holes h3b, and third holes h3c are not distinguished, they are collectively referred to as the third hole h3. Further, a fourth hole h4 is formed in the central portion of the plate portion 53a. In the present embodiment, the first hole h1 communicates with the fourth hole h4 for heat dissipation of the light source 60. However, when heat dissipation of the light source 60 is not necessary, it is not necessary to communicate the first hole h1 and the fourth hole h4.

[0074] Hereinafter, the functions and effects of each hole will be described. First, the function and effect of the second hole h2 will be described. Since the light source 60 emits light toward the side surface of the first hole h1, the light emitted from the light source 60 enters from the side surface of the first hole h1 and travels toward the periphery E of the light guide member 53 in a plan view of the plate portion 53a. The light traveling toward the periphery E of the light guide member 53 exits from the outer surface of the light guide member 53, and thus it can be visually recognized that the outer surface of the light guide member 53 is emitting light. The periphery E of the light guide member 53 may be the outer surface that emits light, or as a result of light being reflected at the periphery E, another portion different from the periphery E may be the outer surface that emits light. In the present specification, the periphery E is an edge forming the outer shape of the light guide member 53 when the plate portion 53a is viewed in a plan view.

[0075] As will be described later, the surfaces that emit light in this embodiment are the top emission surface K1, the inner emission surface K2, and the outer emission surface K3 shown in FIG. 27. The top emission surface K1, the inner emission surface K2, and the outer emission surface K3 are the surfaces that form the outer wall portion 53b. In this embodiment, the outer emission surface K3 corresponds to the periphery E. Hereinafter, when referring to the outer surface, it means the outer surface of the light guide member 53. The top emission surface K1, the inner emission surface K2, and the outer emission surface K3 are examples of the outer surface of the light guide member 53.

[0076] Here, in order for light to be emitted from the outer surface of the light guide member 53, the light needs to be directed at an angle that does not cause total internal reflection with respect to the outer surface of the light guide member 53. Therefore, if the amount of light that undergoes total internal reflection at a predetermined location on the outer surface of the light guide member 53 is greater than the amount of light that does not undergo total internal reflection, the luminance decreases at the predetermined location. Conversely, if the amount of light that does not undergo total internal reflection at a predetermined location on the outer surface of the light guide member 53 is greater than the amount of light that undergoes total internal reflection, the luminance increases at the predetermined location. For this reason, there is a possibility of uneven luminance occurring overall on the outer surface of the light guide member 53. However, according to this embodiment, the light incident from the side surface of the first hole h1 is reflected by the side surfaces of the plurality of second holes h2, so that the light incident from the first hole h1 is directed in more directions. The arrows in FIG. 22 show an example of the light reflected by the side surface of the second hole h2. As a result, the ratio of the amount of light that undergoes total internal reflection to the amount of light that does not undergo total internal reflection with respect to the outer surface of the light guide member 53 is made uniform. As a result, uneven luminance when the light guide member 53 emits light can be suppressed, and a good light emission state can be obtained.

[0077] Next, the operational effects of the third hole h3 will be described. In FIG. 23, a line connecting the light source 60 and the first part Pc0 of the peripheral edge E in a plan view of the plate part 53a is defined as the first straight line Lc0, and a straight line that connects the light source 60 and the second part Pc1 of the peripheral edge E and is shorter than the first straight line Lc0 is defined as the second straight line Lc1. The third hole h3a is provided at a position intersecting the second straight line Lc1. Also, a straight line that connects the light source 60 and the second part Pc2 of the peripheral edge E and is shorter than the first straight line Lc0 is defined as the second straight line Lc2. The third hole h3b is provided at a position intersecting the second straight line Lc1. Further, a straight line that connects the light source 60 and the second part Pc3 of the peripheral edge E and is shorter than the first straight line Lc0 is defined as the second straight line Lc3. The third hole h3c is provided at a position intersecting the second straight line Lc3.

[0078] The first straight line Lc0 forms the shortest distance between the light source 60 and the first part Pc0. Also, the second straight line Lc1 forms the shortest distance between the light source 60 and the second part Pc1. Also, the second straight line Lc2 forms the shortest distance between the light source 60 and the second part Pc2. Also, the second straight line Lc2 forms the shortest distance between the light source 60 and the second part Pc3. Therefore, each straight line may be rephrased as a line segment. In FIG. 23, the first part Pc0, the second parts Pc1, Pc2, and Pc3 are parts adopted for the sake of convenience in explaining the arrangement of the third hole h3, and each part is not limited to the positions shown in FIG. 23.

[0079] In the light guide member 53, the outer surface closer to the light source 60 is more likely to have a higher luminance than the outer surface relatively farther from the light source 60, which causes luminance unevenness. However, in the present embodiment, since each third hole h3 is provided at a position intersecting with second straight lines Lc1, Lc2, and Lc3 shorter than the first straight line Lc0, by reflecting light on the side surface of the third hole h3, it is possible to suppress the increase in luminance of the outer surface closer to the light source 60, and suppress luminance unevenness. For example, the third hole h3a can suppress the luminance of the second part Pc1 from becoming higher than the luminance of the first part Pc0. Also, the third hole h3b can suppress the luminance of the second part Pc2 from becoming higher than the luminance of the first part Pc0. Also, the third hole h3c can suppress the luminance of the second part Pc3 from becoming higher than the luminance of the first part Pc0. In addition, as shown by the arrow in FIG. 24, it can be expected that the light reflected on the side surface of the third hole h3 returns to the first hole h1 and is reflected on the side surface of the first hole h1 and heads toward the distant outer surface.

[0080] The above are the common operational effects of the third hole h3a, the third hole h3b, and the third hole h3c. Hereinafter, the third hole h3a, the third hole h3b, and the third hole h3c will be individually described. As shown in FIG. 25, the third hole h3a has an elliptical shape so as to increase the distance from the first hole h1 and the distance from the second hole h2. More specifically, the third hole h3a has an elliptical shape having a major axis Lj1 and a minor axis Lj2, and is arranged such that the minor axis Lj2 is along the straight line Lj0 connecting the first hole h1 and the second hole h2. The minor axis Lj2 being arranged along the straight line Lj0 does not mean that the minor axis Lj2 is strictly parallel to the straight line Lj0. Compared with a perfect circular shape having the same radius as the major axis Lj1, it is only necessary that the elliptical shape is arranged so as to ensure the distance between the first hole h1 and the third hole h3a and the distance between the second hole h2 and the third hole h3a.

[0081] The second hole h2 adopted in FIG. 25 is an example, and other second holes h2 may be adopted. For example, as the second hole h2 adopted in FIG. 25, the second hole h2 closest to the first hole h1 may be adopted, or other second holes h2 may be adopted. The straight line Lj0 forms the shortest distance between the first hole h1 and the second hole h2. Therefore, the straight line Lj0 may be referred to as the line segment Lj0.

[0082] Since the third hole h3a is for suppressing the luminance of the outer surface close to the light source 60, it is preferably as large as possible. However, if the distance between the first hole h1 and the third hole h3a, or the distance between the second hole h2 and the third hole h3a becomes narrow, the fluidity of the resin in the mold decreases when the light guide member 53 is resin-molded, and molding defects are likely to occur.

[0083] However, according to the present embodiment, since the third hole h3a has an elliptical shape so as to increase the distance between the first hole h1 and the distance between the second hole h2, while reflecting the light from the light source 60 toward the outer surface close to the light source 60 over a wide range, it is possible to suppress the narrowing of the distance between the first hole h1 and the third hole h3a, and the distance between the second hole h2 and the third hole h3a, and the above molding defects can be suppressed.

[0084] Next, the third hole h3b will be described with reference to FIG. 26. The third hole h3b has a shape in which a part of a circle is cut out so as to have a chord M1 and an arc M2, and the chord M1 is arranged to face the first hole h1. Since the third hole h3b is for suppressing the luminance of the outer surface close to the light source 60, it is preferably as large as possible. However, if the distance between the first hole h1 and the third hole h3b, or the distance between the second hole h2 and the third hole h3b becomes narrow, the fluidity of the resin in the mold decreases when the light guide member 53 is resin-molded, and molding defects are likely to occur. However, since the third hole h3b has a shape in which a part of a circle is cut out so as to have a chord M1 and an arc M2, and the chord M1 is arranged to face the first hole h1, while reflecting the light from the light source 60 toward the outer surface close to the light source 60 over a wide range, it is possible to suppress the narrowing of the distance between the first hole h1 and the third hole h3b, and the distance between the second hole h2 and the third hole h3b, and the above molding defects can be suppressed. When forming the third hole h3b by cutting out a part of a circle so as to have a chord M1 and an arc M2, a part of a perfect circle may be cut out, or a part of an ellipse may be cut out.

[0085] Next, the third hole h3c will be described. The third hole h3c has a perfect circular shape with a diameter larger than that of the second hole h2. As a result, the following operational effects can be obtained. Since the third hole h3c is for suppressing the luminance of the outer surface close to the light source 60, it is preferably of a certain size. Since the third hole h3c has a perfect circular shape with a diameter larger than that of the second hole h2, reflection of light on the side surface of the third hole h3c can be ensured, and the luminance of the outer surface close to the light source 60 can be suitably suppressed. Also, when light enters the third hole h3c from the side surface of the third hole h3c, this light diffuses inside the third hole h3c, whereby a bright spot mitigation effect is obtained. Therefore, by changing the arrangement of the third hole h3c, the luminance distribution can be adjusted. The third hole h3c is not limited to a perfect circular shape and may be an elliptical shape. In this case, the elliptical shape is preferably arranged so as to ensure the distance between the first hole h1 and the third hole h3c and the distance between the second hole h2 and the third hole h3c. Furthermore, the third hole h3c is a hole having a larger area than the second hole h2 when viewed in plan, and may have a shape other than a perfect circle or an ellipse, for example, may be a part of an elliptical shape, or may have a shape having a chord and an arc similar to the above-described third hole h3b, or may have other closed curve shapes.

[0086] In this embodiment, the second hole h2 has a perfect circular shape, and the diameter is preferably in the range of 1.0 to 3.0 mm. Thereby, while suitably suppressing luminance unevenness, the fluidity of the resin during resin molding can be ensured. Also, the distance between adjacent second holes h2 is preferably set to 1.5 to 2.0 mm. Thereby, while suitably suppressing luminance unevenness, the fluidity of the resin during resin molding can be ensured. Also, the distances between these of the first hole h1, the second hole h2, and the third hole h3 are preferably 1.5 mm or more, for example, 1.5 to 2.0 mm. Thereby, while suitably suppressing luminance unevenness, the fluidity of the resin during resin molding can be ensured. The third hole h3c is a perfect circular shape in this embodiment, and the diameter is preferably in the range of 3.0 mm to 6.0 mm. Thereby, reflection of light on the side surface of the third hole h3c can be suitably ensured.

[0087] Next, the fourth hole h4 formed in the plate portion 53a will be described. The light guide member 53 has a hole provided at the center of the plate portion 53a, and includes a fourth hole h4 having an opening larger than the first hole h1, the second hole h2, and the third hole h3. As a result, as shown by the solid and broken arrows in Fig. 26, the light that is reflected from the side surface of the third hole h3 or the second hole h2 and returns toward the center of the plate portion 53a is reflected from the side surface of the fourth hole h4 and can be expected to travel toward the outer surface far from the light source 60, that is, the outer surface where the luminance is likely to be low.

[0088] Subsequently, another feature of the cover unit 45 according to the present embodiment, that is, the light emitting device will be described. The light guide member 53 is a portion that forms the peripheral edge E, and has an outer wall portion 53b that rises in a direction intersecting the surface of the plate portion 53a, specifically, the +Z direction. Then, the light emitted from the light source 60 exits from the outer wall portion 53b, so that the light emission can be visually recognized not only in the side direction but also from above, improving the visibility.

[0089] In addition, as shown in Figs. 19 and 27, a groove portion 53c is formed outside the outer wall portion 53b to reflect the light directed toward the outside of the plate portion 53a and guide it to the top of the outer wall portion 53b. The solid and broken arrows in Fig. 27 show how the light directed toward the outside of the plate portion 53a is reflected by the groove portion 53c and travels toward the top of the outer wall portion 53b. As a result, the luminance of the outer wall portion 53b can be ensured.

[0090] The cover unit 45 is also provided with a holder 56, which is an example of a light shielding member, above the plate portion 53a inside the outer wall portion 53b, as shown in Figs. 11 and 17. As a result, the outer wall portion 53b emits light in a ring shape. This makes it less noticeable that the luminance unevenness occurs compared to the configuration in which the entire light guide member 53 becomes a light emitting portion.

[0091] In this embodiment, the substrate 51 provided with the light source 60 has a surface on which the light source 60 is provided formed as a reflecting surface that reflects light. As a result, the loss of light emitted from the light source 60 can be suppressed, and light can be suitably emitted from the light guiding member 53. The reflecting surface can be formed, for example, as a mirror surface or a white surface. In this embodiment, the area of the substrate 51 is smaller than the area of the plate portion 53a of the light guiding member 53 as shown in FIGS. 17 and 20. Therefore, it is also preferable to install a reflecting sheet or the like so as to extend the reflecting surface of the substrate 51 in the plane direction and cover the lower surface of the plate portion 53a.

[0092] In this embodiment, the cover unit 45 includes a reflecting sheet 54 that reflects light on the side opposite to the substrate 51 with respect to the plate portion 53a of the light guiding member 53, as described with reference to FIG. 17. The reflecting sheet 54 is formed, for example, to have a size that covers the upper surface of the plate portion 53a. As a result, the loss of light emitted from the light source 60 can be suppressed, and light can be suitably emitted from the light guiding member 53. Further, since a light shielding sheet 55 is provided between the reflecting sheet 54 and the holder 56, it is possible to suppress light from passing through the holder 56. The light shielding sheet 55 is formed, for example, to have the same size as the reflecting sheet 54.

[0093] Next, the light guiding member 53A according to another embodiment will be described with reference to FIGS. 28 and 29. The same components as those already described in FIGS. 28 and 29 are denoted by the same reference numerals, and redundant descriptions will be avoided hereinafter. The light guiding member 53A has a third hole indicated by the reference symbol h3d instead of the third holes h3a, h3b, and h3c described above. The third hole h3d has a perfect circular shape with a smaller diameter than the second hole h2 and is disposed inside the second hole h2.

[0094] FIG. 29 is an enlarged view of a part of FIG. 28. The dashed line is a straight line connecting the intermediate position between two adjacent second holes h2 and the light source 60. The intermediate position between two adjacent second holes h2 is the intermediate position of the line segment connecting the center position of one of the two adjacent second holes h2 and the center position of the other second hole h2. And the third hole h3d is provided at a position intersecting the above-mentioned dashed line. By this, the light directly heading from the light source 60 to the periphery E of the light guide member 53A can be excluded, and it is possible to suppress the partial increase in luminance. Although it is preferable to arrange the third hole h3d so that the center position of the third hole h3d is located on the above-mentioned dashed line, it is sufficient that the third hole h3d intersects the above-mentioned dashed line. Also, the third hole h3d may have the same diameter as the second hole h2 or may have a larger diameter than the second hole h2.

[0095] Furthermore, the present invention is not limited to the embodiments and modifications described above, and various modifications are possible within the scope of the invention described in the claims, and it goes without saying that those are also included in the scope of the present invention.

[0096] For example, the upper surface and side surfaces of the cover unit 45 may be made transparent or translucent so that the internal ink supply port 19 can be seen. Also, in a configuration in which the corner portions of the four corners of the platen 6 that are close to the cover unit 45 are used as reference positions when setting the document, and a mark indicating that the corner portions are reference positions is provided on the frame member 7, by making the light emitting unit 50 emit light, the mark can be easily visually recognized even in a dark environment, and thus the document can be easily set. In this case, it is also preferable to provide an open / close sensor for detecting that the document cover 8 or the document feeding device 9 is opened, and to make the light emitting unit 50 emit light when the document cover 8 or the document feeding device 9 is opened, and to turn off the light emitting unit 50 when the document cover 8 or the document feeding device 9 is closed. Also, it is preferable to turn on only the light source 60 closest to the above-mentioned reference position among the plurality of light sources 60, specifically, the light source 60A in FIG. 10.

[0097] As shown in FIG. 30, the first printer 1A includes a front cover 14. In the first printer 1A, the front cover 14 is also called a paper discharge cover. By opening the front cover 14 of the first printer 1A, the paper discharge port is exposed. In the first printer 1A, a paper feed cover 101 is provided in the -Y direction of the document cover 8. The paper feed cover 101 is connected to the unit main body 3c of the scanner unit 3 via a hinge (not shown). The rotation axis of the paper feed cover 101 is parallel to the X-axis direction. The paper feed cover 101 opens and closes by rotating with the -Y direction, that is, the rear of the device, as a free end. With the paper feed cover 101 open, the user can supply media to the first printer 1A.

[0098] As shown in FIG. 31, the first printer 1A has a front surface 102. The front surface 102 is a surface including the front cover 14. As shown in FIG. 32, the first printer 1A has a top surface 103. As shown in FIG. 33, the first printer 1A has a bottom surface 104. As shown in FIG. 34, the first printer 1A has a right side surface 105. As shown in FIG. 35, the first printer 1A has a left side surface 106. As shown in FIG. 36, the first printer 1A has a rear surface 107. As shown in FIG. 37, the ink storage portion 10 is substantially rectangular in plan view. The notch portion 3a has a shape in which the scanner unit 3 is notched in a substantially L shape along the contour of the ink storage portion 10 in plan view. As shown in FIGS. 38 and 39, according to the first printer 1A, it is easy to suppress the formation of a gap between the ink storage portion 10 and the scanner unit 3.

[0099] As shown in FIG. 40, the second printer 1B includes a front cover 14 below the operation panel 15. In the second printer 1B, the front cover 14 is also called a paper feed / discharge cover. By opening the front cover 14 of the second printer 1B, the paper feed port and the paper discharge port are exposed. As shown in FIG. 41, the second printer 1B has a front surface 110. The front surface 110 is a surface including the front cover 14. As shown in FIG. 42, the second printer 1B has a top surface 111. As shown in FIG. 43, the second printer 1B has a bottom surface 112. As shown in FIG. 44, the second printer 1B has a right side surface 113. As shown in FIG. 45, the second printer 1B has a left side surface 114. As shown in FIG. 46, the second printer 1B has a rear surface 115.

[0100] As shown in FIG. 40, the notch 9a has a larger opening area on the upper surface side than on the lower surface side. That is, the notch 9a has a larger opening area in a portion closer to the top surface 111 than in a portion closer to the ink storage unit 10. This is the same for the notch 3a of the first printer 1A. According to this configuration, since the notches 3a and 9a have a larger opening area on the upper surface side than on the lower surface side, the scanner unit 3 and the document feeder 9 are less likely to interfere with the replenishment work. Therefore, the workability in the replenishment work is improved.

[0101] As shown in FIG. 41, the notch 9a has an arcuate shape in the side surface portion 117 which is a surface connecting the lower surface side and the upper surface side. The shape of the side surface portion 117 is arcuate over the entire area of the notch 9a. That is, the notch 9a has an arcuate cross-sectional shape in the side surface portion 117 which is a surface connecting the lower surface side and the upper surface side. This is the same for the notch 3a shown in FIG. 38. That is, the notch 3a has an arcuate cross-sectional shape in the side surface portion 117 which is a surface connecting the lower surface side and the upper surface side. The notches 9a and 3a can also be expressed as having a chamfered R shape, respectively. According to this configuration, since the side surface portions 117 of the notches 9a and 3a are arcuate, the feel when the user contacts the side surface portion 117 is improved.

[0102] As shown in FIG. 47, the ink storage portion 10 is substantially rectangular in plan view. The notch portion 9a has a shape in which the document feeder 9 is cut out in a substantially L shape along the contour of the ink storage portion 10 in plan view. The notch portion 3a has a shape in which the scanner unit 3 is cut out in a substantially L shape along the contour of the ink storage portion 10 in plan view. As shown in FIGS. 48 and 49, according to the second printer 1B, it is easy to suppress the formation of a gap between the ink storage portion 10 and the scanner unit 3. In the second printer 1B, the scanner unit 3 and the document feeder 9 are examples of the top cover.

[0103] As shown in FIGS. 37 and 47, in the first printer 1A and the second printer 1B, a light emitting portion 50 is provided in the ink storage portion 10 along the contour of the ink storage portion 10 in plan view, respectively. In FIGS. 37 and 47, the portion with lattice hatching is the light emitting portion 50, and the light emitting portion 50 has translucency. The state of the light emitting portion 50 changes according to the remaining amount of the ink stored in the ink storage portion 10. According to this configuration, it is easy to grasp that the remaining amount of the ink has decreased. Further, according to this configuration, when the remaining amount of the ink decreases, it is easy for the user to intuitively grasp the portion to be operated. As the state of the light emitting portion 50, for example, when the power is turned on and the remaining amount of the ink is sufficient, a form in which the light emitting portion 50 is constantly lit can be applied. For example, when the remaining amount of the ink becomes a certain level or less, a form in which the light emitting portion 50 blinks can be applied. Note that the light emitting portion 50 may be constantly turned off when the remaining amount of the ink is sufficient.

[0104] As shown in FIG. 50, the third printer 1C has an ink storage portion 10B. The third printer 1C has the same configuration as the second printer 1B except that the ink storage portion 10 of the second printer 1B is replaced with the ink storage portion 10B. Therefore, for the configuration of the third printer 1C that is the same as the configuration of the second printer 1B, detailed description is omitted by attaching the same reference numerals.

[0105] The ink storage section 10B has a larger ink storage capacity than the ink storage section 10. Except for this, the ink storage section 10B has the same configuration as the ink storage section 10. Among the dimensions of the ink storage section 10B, the depth dimension along the Y-axis is larger than the depth dimension of the ink storage section 10. The width dimension along the X-axis and the height dimension along the Z-axis of the ink storage section 10B are the same as the width dimension and the height dimension of the ink storage section 10. Therefore, in the third printer 1C, compared with the second printer 1B, it protrudes in the +Y direction by the amount of the depth dimension of the ink storage section 10B.

[0106] As shown in FIG. 51, the third printer 1C has a front surface 120. The front surface 120 is a surface including the front cover 14. As shown in FIG. 52, the third printer 1C has a top surface 121. As shown in FIG. 53, the third printer 1C has a bottom surface 122. As shown in FIG. 54, the third printer 1C has a right side surface 123. As shown in FIG. 55, the third printer 1C has a left side surface 124. The rear view of the third printer 1C is the same as FIG. 46.

[0107] As shown in FIG. 56, the fourth printer 1D has a side surface portion 131. As shown in FIG. 57, the side surface portion 131 is a surface connecting the lower surface side and the upper surface side of the notch portion 9a. In the fourth printer 1D, the notch portion 9a has the side surface portion 131. The fourth printer 1D has the side surface portion 117 of the second printer 1B shown in FIG. 41 replaced by the side surface portion 131. Except for this, the fourth printer 1D has the same configuration as the second printer 1B. Therefore, for the configuration of the fourth printer 1D that is the same as the configuration of the second printer 1B, the detailed description is omitted by assigning the same reference numerals.

[0108] As shown in FIG. 57, the shape of the side surface portion 131 is an arc shape. The shape of the side surface portion 131 is an arc shape over the entire area of the notch portion 9a. That is, in the notch portion 9a of the fourth printer 1D, the cross-sectional shape of the side surface portion 131, which is a surface connecting the lower surface side and the upper surface side, is an arc shape. The side surface portion 131 has a larger curvature of the arc shape compared to the side surface portion 117 shown in FIG. 41. With the configuration of the side surface portion 131, the opening area on the upper surface side of the notch portion 9a can be further increased. For this reason, it is less likely that the scanner unit 3 and the document feeder 9 will interfere with the replenishment work. Therefore, the workability in the replenishment work is further improved. In addition, with the configuration of the side surface portion 131, the feel when the user touches the side surface portion 131 is further improved.

[0109] As shown in FIG. 57, the fourth printer 1D has a front surface 132. The front surface 132 is a surface including the front cover 14. As shown in FIG. 58, the fourth printer 1D has a top surface 133. As shown in FIG. 59, the fourth printer 1D has a right side surface 134. The bottom view of the fourth printer 1D is the same as FIG. 43. The left side view of the fourth printer 1D is the same as FIG. 45. The rear view of the fourth printer 1D is the same as FIG. 46.

[0110] In the first printer 1A, the second printer 1B, and the fourth printer 1D, the lightness of the color of the ink storage unit 10 is different from at least the lightness of the color of the portion adjacent to the ink storage unit 10 on the front surface of the apparatus main body 2. In FIGS. 30 to 35, FIGS. 37 to 45, FIGS. 47 to 49, and FIGS. 56 to 59, in order to make it easy to understand that the color of the ink storage unit 10 is different from the surroundings, a light ink is applied to the ink storage unit 10. In the third printer 1C, the lightness of the color of the ink storage unit 10B is different from at least the lightness of the color of the portion adjacent to the ink storage unit 10B on the front surface of the apparatus main body 2. In FIGS. 50 to 55, in order to make it easy to understand that the color of the ink storage unit 10B is different from the surroundings, a light ink is applied to the ink storage unit 10B. According to this configuration, since a contrast is created between the ink storage unit 10 or 10B and the portion adjacent to the ink storage unit 10 or 10B on the front surface of the apparatus main body 2, it becomes easier to recognize the position of the ink storage unit 10 or 10B. For example, a configuration can be applied in which the lightness of the color of the ink storage unit 10 or 10B is made darker than the lightness of the color of the portion adjacent to the ink storage unit 10 or 10B on the front surface of the apparatus main body 2. Also, a configuration can be applied in which the lightness of the color of the ink storage unit 10 or 10B is made lighter than the lightness of the color of the portion adjacent to the ink storage unit 10 or 10B on the front surface of the apparatus main body 2.

[0111] In the first printer 1A, the second printer 1B, the third printer 1C, and the fourth printer 1D, when looking at the apparatus main body 2 in the -Y direction, that is, when looking at the apparatus main body 2 from the front, a plurality of ink tanks 18 are arranged on the right side of the front cover 14. However, the arrangement of the plurality of ink tanks 18 is not limited to this arrangement. A configuration in which the plurality of ink tanks 18 are arranged on the left side of the front cover 14 when looking at the apparatus main body 2 from the front can also be applied. A configuration in which the plurality of ink tanks 18 are arranged on the right side and the left side of the front cover 14 when looking at the apparatus main body 2 from the front can also be applied. In a configuration in which the plurality of ink tanks 18 are arranged on the right side and the left side of the front cover 14, for example, a configuration in which an ink tank 18 that stores black ink is arranged on the left side of the front cover 14 and other ink tanks 18 are arranged on the right side of the front cover 14 can be applied.

Description of Reference Numerals

[0112] 1A…First printer, 1B…Second printer, 1C…Third printer, 1D…Fourth printer, 2…Apparatus main body, 3…Scanner unit, 3a…Notch, 3b…First step portion, 3c…Unit main body, 5…Reading sensor, 6…Original document table, 6a…Placement surface, 7…Frame member, 8…Original document cover, 8a…Notch, 9…Original document feeding device, 9a…Notch, 10…Ink storage section, 10B…Ink storage section, 13…Discharge tray, 14…Front cover, 15…Operation panel, 15a…Panel surface, 15b…Second step portion, 16…Carriage, 17…Ink ejection head, 18…Ink tank, 18A…Ink tank, 18B…Ink tank, 18C…Ink tank, 18D…Ink tank, 19…Ink supply port, 19A…Ink supply port, 19B…Ink supply port, 19C…Ink supply port, 19D…Ink supply port, 20A…Sealing cap, 20B…Sealing cap, 20C…Sealing cap, 20D…Sealing cap, 21…Opening / closing lever, 21A…Opening / closing lever, 21B…Opening / closing lever, 21C…Opening / closing lever, 21D…Opening / closing lever, 23…Remaining amount visual recognition section, 23A…Remaining amount visual recognition section, 23B…Remaining amount visual recognition section, 23C…Remaining amount visual recognition section, 23D…Remaining amount visual recognition section, 41…Maintenance unit, 42…Waste liquid storage section, 45…Cover unit, 45A…Cover unit, 45B…Cover unit, 45C…Cover unit, 45D…Cover unit, 45E…Cover unit, 45F…Cover unit, 45G…Cover unit, 45H…Cover unit, 45a…Rotation axis, 46…Cover member, 46a…Wall portion, 46b…Notch, 46c-1…Hole, 46c-2…Hole, 46d…Plate portion, 46e…Base portion, 46f…Recessed portion, 47…Exterior member, 50…Light emitting section, 50A…Light emitting section, 50B…Light emitting section, 50C…Light emitting section, 50D…Light emitting section, 50E…Light emitting section, 50F…Light emitting section, 50G…Light emitting section, 50H…Light emitting section, 51…Substrate, 51a…Hole, 51b…Hole, 51c…Hole, 53…Light guide member, 53A…Light guide member, 53a…Plate portion, 53b…Outer wall portion, 53c…Groove portion, 53d…Hole, 53d1…Hole, 53d2…Hole, 54…Reflection sheet, 54a…Hole, 54b…Hole, 54c…Hole, 55…Light shielding sheet, 55a…Hole, 55b…Hole, 55c…Hole, 56…Holder, 56f…Boss, 56g…Thread fitting portion, 57…Color filter, 58…Screw, 60…Light source, 60A…Light source, 60B…Light source, 60C…Light source, 60D…Light source,101... Paper feed cover, 102... Front, 103... Top surface, 104... Bottom surface, 105... Right side surface, 106... Left side surface, 107... Rear surface, 110... Front, 111... Top surface, 112... Bottom surface, 113... Right side surface, 114... Left side surface, 115... Rear surface, 117... Side part, 120... Front, 121... Top surface, 122... Bottom surface, 123... Right side surface, 124... Left side surface, 131... Side part, 132... Front, 133... Top surface, 134... Right side surface, E... Periphery, E1... Periphery, E2... Periphery, E3... Periphery, E4... Periphery, h1... First hole, h2... Second hole, h3... Third hole, h3a... Third hole, h3b... Third hole, h3c... Third hole, h3d... Third hole, h4... Fourth hole, K1... Top emission surface, K2... Inner emission surface, K3... Outer emission surface, Lj0... Straight line, Lj1... Major axis, Lj2... Minor axis, Lc0... First straight line, Lc1... Second straight line, Lc2... Second straight line, Lc3... Second straight line, M1... Chord, M2... Arc, Pc0... First part, Pc1... Second part, Pc2... Second part, Pc3... Second part.,

Claims

1. An apparatus main body including a liquid ejection head that ejects a liquid onto a medium, a top cover that is provided on the upper part of the apparatus main body so as to be openable and closable, and a liquid storage portion that stores the liquid ejected from the liquid ejection head and is disposed on the front side of the apparatus main body, wherein the top cover has a notch portion that opens above the liquid storage portion, and the notch portion has a larger opening area on the upper surface side than on the lower surface side, A liquid ejection device.

2. The notch portion has an arcuate cross-sectional shape of a side surface portion that is a surface connecting the lower surface side and the upper surface side, The liquid ejection device according to Claim 1.

3. The liquid storage portion is substantially rectangular in plan view, and the notch portion has a shape in which the top cover is notched in a substantially L shape along the contour of the liquid storage portion in plan view, The liquid ejection device according to Claim 1.

4. A light emitting portion is provided in the liquid storage portion along the contour of the liquid storage portion in plan view, and the state of the light emitting portion changes according to the remaining amount of the liquid stored in the liquid storage portion, The liquid ejection device according to Claim 1.

5. The lightness of the color of the liquid storage portion is different from at least the lightness of the color of the portion adjacent to the liquid storage portion on the front surface of the apparatus main body, The liquid ejection device according to Claim 1.

Images