Image formation device, control method of image formation device, and program

Abstract

To enable interruption of printing processing, when a paper kind of paper setting information on a printing job and a detection result of a kind of paper mounted on a paper feeding part are different.SOLUTION: An image formation device has: first control means for detecting a kind of paper mounted on a paper feeding part, when a paper kind of paper setting information of a printing job indicates automatic and a paper kind of paper setting information on a paper feeding part indicates automatic, and performing control so that paper fed from the paper feeding part is printed, by control based on the detected paper kind; and second control means for performing control so that printing processing is interrupted, when the paper kind of the paper setting information of the printing job indicates an individual paper kind, and the paper kind of the paper setting information of the paper feeding part indicates automatic.SELECTED DRAWING: Figure 7

Description

[Technical field]

[0001] The present disclosure relates to an image forming apparatus, a control method for an image forming apparatus, and a program. [Background technology]

[0002] Some image forming apparatuses are equipped with a paper type detection sensor (media sensor) on a paper transport path of the image forming apparatus that measures characteristics of the paper, such as the surface properties and basis weight of the paper. The image forming apparatus measures the paper fed in a print job with the media sensor, and identifies the paper type from a paper type database (media library) pre-stored in the image forming apparatus based on the measured characteristics of the paper. The image forming apparatus then uses print control parameters for that paper type in image formation control, thereby obtaining a high-quality output.

[0003] Patent Document 1 discloses that when a sheet is fed from a sheet feed tray for which a sheet type has not been set, the sheet type is detected by a media sensor. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2016-128228 A Summary of the Invention [Problem to be solved by the invention]

[0005] However, if it is determined that the paper type specified in the print job does not match the detected paper type, printing is stopped, which results in paper waste. Also, if it is determined that the paper does not match, the fed paper is discharged without printing an image on it, but if the paper type cannot be transported, this causes a problem of damaging the transport mechanism.

[0006] An object of the present disclosure is to make it possible to interrupt printing processing when there is a possibility that the paper type in the paper setting information of a print job differs from the detection result of the paper type of the paper loaded in a paper feed section. [Means for solving the problem]

[0007] The image forming device has a first control means that, when the paper type in the paper setting information of a print job indicates automatic and the paper type in the paper setting information of a paper feed unit indicates automatic, detects the paper type of paper loaded on the paper feed unit and controls printing on the paper fed from the paper feed unit based on the detected paper type, and a second control means that, when the paper type in the paper setting information of the print job indicates an individual paper type and the paper type in the paper feed unit indicates automatic, controls to interrupt the printing process. Effect of the Invention

[0008] According to the present disclosure, if there is a possibility that the paper type in the paper setting information of the print job differs from the detection result of the paper type of the paper placed in the paper feed section, the print process can be interrupted. [Brief description of the drawings]

[0009] [Figure 1] FIG. 1 is a cross-sectional view showing an example of the configuration of an image forming apparatus. [Diagram 2] FIG. 1 is a block diagram showing an example of the configuration of an image forming apparatus. [Diagram 3] FIG. 2 is an explanatory diagram of a configuration example of a media sensor. [Figure 4] FIG. 13 is a diagram showing an example of a setting screen for specifying whether or not to give priority to paper information; [Diagram 5] 13 is a diagram showing an example of a setting screen for a default paper type for a PDL print job. FIG. [Figure 6] FIG. 11 is a diagram showing an example of a paper type setting screen. [Figure 7] 10 is a flowchart showing an example of a printing operation. [Figure 8] FIG. 13 is a diagram showing an example of a screen displaying an out-of-paper state. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] Hereinafter, an embodiment will be described with reference to the drawings. Note that the embodiment described below is an example, and the present invention is not limited to the following embodiment. In the following embodiments, the same components are denoted by the same reference numerals.

[0011] <Description of Image Forming Apparatus> Fig. 1 is a cross-sectional view showing an example of the configuration of an image forming apparatus 201 according to this embodiment. Fig. 2 is a diagram showing an example of the main configuration controlled by a CPU 10 of the image forming apparatus 201 according to this embodiment. First, the basic configuration and operation of the image forming apparatus 201 according to this embodiment will be described with reference to Figs. 1 and 2.

[0012] 2 is connected to the HDD 11, the RAM 12, the instruction / display unit 13, the media sensor 14, the blower fan 15, the image forming unit 201B, the cassette paper feed unit 230, and the manual paper feed unit 235.

[0013] The CPU 10 is a control unit that controls the entire image forming apparatus 201. The HDD 11 stores a control program according to this embodiment, initial values ​​of various setting values, etc. The CPU 10 executes the control program according to this embodiment read from the HDD 11, thereby realizing image formation steps and steps of each flowchart, which will be described later.

[0014] The RAM 12 stores various information under the control of the CPU 10. As will be described in detail later, the RAM 12 stores print control parameters for each paper type in a first storage area. It is preferable that the RAM 12 is a rewritable memory that does not require a storage and retention operation. As will be described further later, when the user changes the print control parameters corresponding to the referenced paper type, the CPU 10 additionally stores the changed print control parameters in the first storage area as user-defined print control parameters corresponding to the paper type.

[0015] The instruction / display unit 13 includes a panel, buttons, etc. capable of displaying an operation screen, and when an instruction such as starting a print operation is input, the instruction information is sent to the CPU 10. Note that the instruction information such as starting a print operation may be input by a user operating the instruction / display unit 13, or may be input from an external device such as a personal computer, tablet terminal, or smartphone connected via a network (not shown).

[0016] When instruction information to start a printing operation is input, the CPU 10 drives and controls a paper feed and transport motor (not shown) in accordance with the instruction information to feed and transport paper. The CPU 10 also sets print control parameters for the image forming unit 201B to control image formation (printing) by the image forming unit 201B. The image forming unit 201B prints on paper based on the print control parameters set by the CPU 10.

[0017] In Fig. 1, 201 is an image forming apparatus, 201A is an image forming apparatus main body, and 201B is an image forming section that forms an image on a sheet (paper). 202 is an image reading device installed substantially horizontally above the image forming apparatus main body 201A, and a discharge space V for discharging sheets is formed between this image reading device 202 and the image forming apparatus main body 201A.

[0018] Reference numeral 230 denotes a cassette paper feed unit that feeds sheets S from a paper feed cassette 1, which is a sheet storage means for storing sheets S. The cassette paper feed unit 230 includes a pickup roller 2, which is a sheet feeding means, and a separation unit consisting of a feed roller 3 and a retard roller 4 for separating the sheets S sent out from the pickup roller 2. Reference numeral 235 denotes a manual paper feed unit that feeds sheets S from a manual feed tray 5, which is a means for holding sheets S. Like the cassette paper feed unit 230, the manual paper feed unit 235 includes a sheet feeding means and a separation unit.

[0019] The image forming unit 201B, which is an image forming means, is of a four-drum full-color type and includes a laser scanner 210 and four process cartridges 211 that form toner images of four colors, yellow (Y), magenta (M), cyan (C), and black (K). Here, each process cartridge 211 includes a photosensitive drum 212K, a charger 213K, which is a charging means, and a developer 214K, which is a developing means. In addition, the image forming unit 201B includes a secondary transfer unit 201D and a fixing unit 201E disposed above the process cartridges 211. In addition, 215K is a toner cartridge for supplying toner to the developer 214K.

[0020] The secondary transfer unit 201D includes a transfer belt 216 wound around a drive roller 216a and a tension roller 216b. A primary transfer roller 219K is provided on the inside of the transfer belt 216, contacting the transfer belt 216 at a position facing the photosensitive drum 212K. The transfer belt 216 is rotated in the direction of the arrow by a drive roller 216a driven by a drive unit (not shown).

[0021] A secondary transfer roller 217 that transfers a color image formed on the transfer belt 216 to the sheet S is provided at a position facing the drive roller 216a of the secondary transfer section 201D. Furthermore, a fixing section 201E is disposed above the secondary transfer roller 217, and a first discharge roller pair 225a, a second discharge roller pair 225b, and a double-sided reversing section 201F are disposed at the upper left of the fixing section 201E. The double-sided reversing section 201F is provided with a reversing roller pair 222 that can rotate forward and backward, and a re-conveying path R that conveys the sheet S with an image formed on one side to the image forming section 201B again.

[0022] An instruction / display unit 13 for receiving operations from a user is provided on the upper portion of the image forming apparatus 201.

[0023] <Operation of image forming device> Next, the image forming operation of the image forming apparatus 201 will be described. First, when the image forming apparatus 201 receives image data of an original to be printed, the image information is subjected to image processing, converted into an electric signal, and transmitted to the laser scanner 210 of the image forming section 201B. In the image forming section 201B, the surface of the photoconductor drum 212K, the surface of which is uniformly charged to a predetermined polarity and potential by the charger 213K, is sequentially exposed to a laser. As a result, electrostatic latent images of yellow, magenta, cyan, and black are sequentially formed on the photoconductor drum 212K of each process cartridge 211, respectively.

[0024] Thereafter, the electrostatic latent images are developed and visualized with toner of each color, and the toner images of each color on each photoconductor drum 212K are transferred in sequence onto the transfer belt 216 in a superimposed manner by a primary transfer bias applied to the primary transfer roller 219K. As a result, a toner image is formed on the transfer belt 216.

[0025] In parallel with this toner image forming operation, the sheets S are transported one by one by the cassette paper feed unit 230 to the pair of registration rollers 240, and skew is corrected by the pair of registration rollers 240. After the skew is corrected, the sheets S are transported to the secondary transfer unit 201D by the pair of registration rollers 240, and the toner images are transferred all at once onto the sheets S by the secondary transfer bias applied to the secondary transfer roller 217 at the secondary transfer unit 201D.

[0026] Next, the sheet S onto which the toner image has been transferred is transported to the fixing section 201E, where the toner of each color melts and mixes with heat and pressure in the roller nip section formed by the pressure roller 220a and the heating roller 220b, and is fixed onto the sheet S as a color image.

[0027] Thereafter, the sheet S on which the image has been fixed is discharged to the discharge space V by a first discharge roller pair 225a and a second discharge roller pair 225b provided downstream of the fixing unit 201E, and is stacked on a stacking unit 223 protruding from the bottom surface of the discharge space V. When images are formed on both sides of the sheet S, after the images are fixed, the sheet S is transported to a re-conveyance path R by a reversing roller pair 222, and is transported again to the image forming unit 201B.

[0028] The media sensor 14 is provided on the paper transport path of the manual paper feed unit 235, and is a paper type detection sensor that detects the type of paper (paper type) fed through the paper transport path. The paper type refers to the type of paper. The media sensor 14 detects the surface properties and thickness of the paper being transported, and the CPU 10 determines the paper type from the detection results. In this embodiment, the detection of the surface properties and thickness of the paper by the media sensor 14 and the determination of the paper type by the CPU 10 from the detection results is expressed as detecting or determining the paper type by the media sensor 14. Details will be described later.

[0029] <Media sensor description> Next, an example of the media sensor 14 will be described with reference to Fig. 3. An LED 481 as a light emitting element and a photodiode 480 as a light receiving element are arranged inside the media sensor 14. The amount of reflected light of the light emitted by the LED 481 can be detected by the photodiode 480. The media sensor 14 is also provided with a guide section 483 into which the paper sheet M enters.

[0030] The CPU 10 receives the output signal of the photodiode 480 as the output value of the media sensor 14. The CPU 10 can determine the type of paper being fed according to the difference in the received value due to the surface properties and thickness of each paper. The CPU 10 then optimally controls the image formation speed and the target temperature of the fixing unit 201E according to the paper type detected here.

[0031] As described above, in this embodiment, the CPU 10 uses the media sensor 14 to determine the paper type, eliminating the need for the user to consciously set the paper type. Therefore, the image forming apparatus 201 in this embodiment is provided with a mode (hereinafter referred to as an automatic media setting mode) in which the paper type is determined by the media sensor 14 and print control parameters and the like are automatically set according to the paper type.

[0032] On the other hand, the image forming apparatus 201 of this embodiment is also provided with a mode in which the user manually sets the paper type to be used (hereinafter, referred to as a manual media setting mode) as in the past. The user can operate the instruction / display unit 13 to set in advance either the automatic media setting mode or the manual media setting mode for each paper feed unit.

[0033] It is assumed that the default mode is set to the automatic media setting mode. A setting value indicating whether the setting mode is the automatic media setting mode or the manual media setting mode is stored in the HDD 11.

[0034] The above-described configuration of the media sensor 14 is merely an example, and the media sensor 14 is not limited to this configuration. For example, the media sensor 14 may be configured by combining an ultrasonic sensor such as a piezoelectric element in addition to a light-emitting element and a light-receiving element, or may be configured with other elements.

[0035] <Manual feed setting> FIG. 4 is an example of a screen of the display unit 13 that allows you to set whether or not to prioritize paper information (paper size and paper type) set in a printer driver on an information processing device such as a personal computer connected via a network when feeding paper from the manual paper feed unit 235.

[0036] By pressing a printer driver priority button 401 or a device setting priority button 402 in FIG. 4 displayed on the display unit 13 and then pressing an OK button 403, the setting information is stored in the HDD 11.

[0037] CPU 10 reads the setting information at the start of a print job, and if printer driver priority is set, executes printing according to the paper information set in the print job. If main body setting priority is set, CPU 10 executes printing according to the paper information set in association with manual paper feed unit 235 or the paper information set in association with the entire PDL print job.

[0038] <Default paper type setting> Fig. 5 is an example of a screen of display unit 13 on which the paper type can be set, among the paper information set in association with the entire PDL print job. By pressing a button 501 for each paper type in Fig. 5 displayed on display unit 13, and then pressing an OK button 502, the setting information is stored on HDD 11. CPU 10 reads out the setting information when the PDL print job starts, and executes printing according to the setting information if predetermined conditions are met.

[0039] <Explanation of the paper setting screen for paper placed in the paper feed tray> Fig. 6(a) is an example of a paper setting screen that is displayed on the display unit 13 when paper is placed in the manual paper feed unit 235. On the paper setting screen in Fig. 6(a), the settings of the paper size and paper type can be changed, and the paper type can be set by pressing a "Change paper type" button 601. The currently set paper type is displayed in a display area 602.

[0040] Fig. 6(b) is an example of a screen to which the screen transitions after pressing the "Change paper type" button 601 in Fig. 6(a). The "Auto detect when printing" button 610 is a setting for executing an operation to detect paper fed from the manual paper feed unit 235 with the media sensor 14 and identify the paper type. When the "Select from list" button 611 is pressed, a paper type list screen (not shown) is displayed, allowing any paper type to be selected. The paper type list screen displays a list of paper types that exist in a paper type database pre-stored on the HDD 11.

[0041] Press the "Automatically Detect at Print Time" button 610 in Fig. 6(b), or select the paper type from the paper type list screen and then press the OK button 612 to return to the screen in Fig. 6(a). Press the OK button 603 on the screen in Fig. 6(a) to store the setting information of the paper placed in the manual paper feed unit 235 on the HDD 11.

[0042] <Explanation of Determining Paper Type and Printing Operation during PDL Print Job Execution> Fig. 7 is a flowchart showing the control method of the image forming apparatus 201. Each step of the flowchart in Fig. 7 is performed by the CPU 10 executing the control program read from the HDD 11 and expanded in the RAM 12. The start of this flowchart starts when a print job is input after paper is placed in the manual paper feed unit 235 and the paper setting described in Fig. 6 is completed.

[0043] Here, the print job is to execute a PDL print job in which the paper feed unit with "Automatically Detect at Print Time" set is selected by the printer driver on an information processing device such as a personal computer connected via a network. In the case of a print job in which the manual paper feed unit 235 with "Automatically Detect at Print Time" set in the print job settings and no individual paper type such as "Automatic" is specified for the paper type of the print job, the media sensor 14 is assumed to detect the paper type.

[0044] In step S701, the CPU 10 reads the paper setting information of the print job received from the information processing device and determines whether the paper type in the paper setting information indicates "Automatic". If the paper type in the paper setting information of the print job indicates "Automatic", the process proceeds to step S702. If the paper type in the paper setting information of the print job indicates an individual paper type such as plain paper 1 or thick paper 1, the process proceeds to step S708.

[0045] In step S702, CPU 10 reads out the paper setting information of manual feed unit 235 on HDD 11, and determines whether the paper type in the paper setting information indicates "automatic detection when printing". Manual feed unit 235 is the paper feed unit indicated by the setting information of the received print job. The setting of "automatic detection when printing" is performed by pressing "automatic detection when printing" button 610 in FIG. 6(b). If the paper type in the paper setting information of manual feed unit 235 indicates "automatic detection when printing", processing proceeds to step S706. If the paper type in the paper setting information of manual feed unit 235 indicates an individual paper type, processing proceeds to step S703. This individual paper type setting is performed by pressing "select from list" button 611 in FIG. 6(b) and then selecting from a list in the paper type database.

[0046] In step S703, CPU 10 reads the default paper type of the print job shown in Fig. 5 and the paper type in the paper setting information of manual paper feed unit 235, and determines whether or not the two paper types match. If the two paper types match, processing proceeds to step S705, and if the two paper types do not match, processing proceeds to step S704.

[0047] In step S704, CPU 10 controls display unit 13 to display the "out of paper" screen of Fig. 8, and controls printing to be interrupted without transporting paper from manual paper feed unit 235 to image forming unit 201B. When OK button 801 in Fig. 8 is pressed, CPU 10 may control printing on paper fed from manual paper feed unit 235 using printer control based on the default paper type for the print job, or may proceed to step S706.

[0048] In step S705, CPU 10 performs printer control based on the above-mentioned matching paper type to print on paper fed from manual paper feed unit 235. Here, the printer control based on the paper type in steps S705, S707, and S709 is, for example, control of the image formation speed or the target temperature of fixing unit 201E.

[0049] In step S706, CPU 10 detects the paper type of paper placed in manual paper feed unit 235 using media sensor 14. For example, media sensor 14 is provided on the paper transport path of manual paper feed unit 235, and CPU 10 detects the paper type of paper transported from manual paper feed unit 235 to the paper transport path using media sensor 14. Then, processing proceeds to step S707.

[0050] In step S707, CPU 10 controls the printer to print on paper fed from manual paper feed unit 235 based on the detected paper type.

[0051] In step S708, CPU 10 determines whether the "printer driver setting priority" mode or the "device setting priority" mode shown in FIG. 4 has been set. The "printer driver setting priority" mode is a mode in which priority is given to the paper type in the paper setting information of the print job, and is set by pressing printer driver priority button 401 in FIG. 4. The "device setting priority" mode is a mode in which priority is given to the paper type in the paper setting information of manual paper feed unit 235, and is set by pressing device setting priority button 402 in FIG. 4. If the "printer driver setting priority" mode is set, processing proceeds to step S709. If the "device setting priority" mode is set, processing proceeds to step S710.

[0052] In step S709, CPU 10 controls the printer to print on paper fed from manual paper feed unit 235 based on the paper type in the paper setting information of the received print job.

[0053] In step S710, CPU 10 reads the paper setting information of manual feed unit 235 on HDD 11, and determines whether the paper type in the paper setting information indicates "automatic detection when printing." "Automatic detection when printing" is set by pressing "Automatic detection when printing" button 610 in FIG. 6(b). If the paper type in the paper setting information of manual feed unit 235 indicates "automatic detection when printing," processing proceeds to step S712. If the paper type in the paper setting information of manual feed unit 235 indicates an individual paper type, processing proceeds to step S711. This individual paper type is set by pressing "Select from list" button 611 in FIG. 6(b) and then selecting from a list in the paper type database.

[0054] In step S711, CPU 10 determines whether or not the paper type in the paper setting information of the received print job matches the paper type in the paper setting information of manual paper feed unit 235 on HDD 11. If the two paper types match, processing proceeds to step S709; if the two paper types do not match, processing proceeds to step S712.

[0055] In step S712, the CPU 10 controls the display unit 13 to display the no-paper screen in FIG. 8, as in step S704, and controls the printing process to be interrupted without conveying the paper from the manual paper feed unit 235 to the image forming unit 201B. The printing process here includes a process of interpreting the print job and checking various settings, a process of conveying the paper from the paper feed units 230 and 235 to the position of the media sensor 14, a process of detecting the surface property and thickness (basis weight) of the conveyed paper, and a process of printing an image on the paper based on the paper type specified by the detection. In other words, the state in which the printing process is interrupted is a state in which the printing job is interpreted, various settings are confirmed, and then the paper is stopped without starting to convey the paper from the paper feed unit. In addition, the no-paper screen in FIG. 8 is displayed in this state. When a paper feed unit that is not selected for automatic detection during printing and has the same paper type set in the print job is selected on the no-paper screen in FIG. 8, paper conveyance is started from the selected paper feed unit. Then, an image is printed on the paper. If a paper feed unit for which the automatic detection setting is not selected when printing and for which a paper type different from the paper type set in the print job is selected on the paper out screen in Figure 8, the paper out screen will be displayed again.

[0056] In FIG. 8, when OK button 801 is pressed, CPU 10 may control the printer to print on paper fed from manual paper feed unit 235 using printer control based on the paper type in the paper setting information of the print job, or may proceed to step S706.

[0057] It is not necessary to determine whether or not "driver setting has priority" in step S708. In that case, if the result in step S701 is No, the process proceeds to step S710.

[0058] As described above, according to this embodiment, if the answer is Yes in step S710, the CPU 10 controls not to feed paper because there is a possibility that the paper type in the paper setting information of the print job does not match the paper type detected by the media sensor 14. This makes it possible to prevent the occurrence of paper waste.

[0059] (Other embodiments) The present disclosure can also be realized by a process in which a program for implementing one or more functions of the above-described embodiments is supplied to a system or device via a network or a storage medium, and one or more processors in a computer of the system or device read and execute the program. It can also be realized by a circuit (e.g., ASIC) for implementing one or more functions.

[0060] It should be noted that the above-described embodiments are merely illustrative of specific examples of implementing the present disclosure, and the technical scope of the present disclosure should not be interpreted as being limited by these embodiments. In other words, the present disclosure can be implemented in various forms without departing from its technical concept or main features.

[0061] The disclosure of this embodiment includes the following configuration, method, and program. (Configuration 1) a first control means for detecting the type of paper placed on the paper feed unit when the paper type of the paper setting information of the print job indicates automatic and the paper type of the paper setting information of the paper feed unit indicates automatic, and controlling printing on the paper fed from the paper feed unit based on the detected paper type; a second control means for controlling to interrupt the printing process when the paper type of the paper setting information of the print job indicates an individual paper type and the paper type of the paper setting information of the paper feed unit indicates automatic; An image forming apparatus comprising: (Configuration 2) The image forming apparatus according to configuration 1, characterized in that the second control means, when the paper type in the paper setting information of the print job indicates an individual paper type and the paper type in the paper setting information of the paper feed unit indicates automatic, controls the printing process to be interrupted without transporting the paper in the paper feed unit to the image forming unit. (Configuration 3) 3. The image forming apparatus according to configuration 1 or 2, wherein the control based on the detected paper type is control of an image forming speed or a target temperature of a fixing unit. (Configuration 4) 4. The image forming apparatus according to any one of configurations 1 to 3, wherein the first control means detects the type of paper placed on the paper feed section by a sensor. (Configuration 5) 5. The image forming apparatus according to configuration 4, wherein the first control means detects the type of the paper conveyed from the paper feed unit to the paper conveying path by a sensor. (Configuration 6) 6. The image forming apparatus according to any one of configurations 1 to 5, wherein the paper feed unit is a paper feed unit indicated by setting information of the print job. (Configuration 7) The image forming device according to any one of configurations 1 to 6, characterized in that the second control means controls to interrupt the printing process when the paper type in the paper setting information of the print job indicates an individual paper type, the paper type in the paper setting information of the paper feeder indicates automatic, and the mode prioritizes the paper type in the paper setting information of the paper feeder. (Configuration 8) The image forming apparatus according to configuration 7, further comprising a third control means for controlling printing on paper fed from the paper feed unit based on the paper type in the paper setting information of the print job when the paper type in the paper setting information of the print job indicates an individual paper type and the mode is one in which the paper type in the paper setting information of the print job is prioritized. (Configuration 9) The image forming apparatus according to configuration 7 or 8, further comprising a fourth control means for controlling printing on paper fed from the paper feed unit under control based on the paper type in the paper setting information of the print job when the paper type in the paper setting information of the print job indicates an individual paper type, the paper type in the paper setting information of the paper feed unit indicates an individual paper type, the apparatus is in a mode that prioritizes the paper type in the paper setting information of the paper feed unit, and the paper type in the paper setting information of the print job matches the paper type in the paper setting information of the paper feed unit. (Configuration 10) The image forming apparatus according to configuration 9 further comprises a fifth control means for controlling to interrupt the printing process when the paper type in the paper setting information of the print job indicates an individual paper type, and the paper type in the paper setting information of the paper feeder indicates an individual paper type, the apparatus is in a mode in which the paper type in the paper setting information of the paper feeder takes priority, and the paper type in the paper setting information of the print job and the paper type in the paper setting information of the paper feeder do not match. (Configuration 11) The image forming apparatus of any one of configurations 1 to 6, further comprising a fourth control means for controlling printing on paper fed from the paper feed unit under control based on the paper type of the paper setting information of the print job when the paper type of the paper setting information of the print job indicates an individual paper type, and when the paper type of the paper setting information of the paper feed unit indicates an individual paper type, and when the paper type of the paper setting information of the print job matches the paper type of the paper setting information of the paper feed unit, (Configuration 12) The image forming apparatus according to configuration 11, further comprising a fifth control means for controlling to interrupt the printing process when the paper type in the paper setting information of the print job indicates an individual paper type, and the paper type in the paper setting information of the paper feeder indicates an individual paper type, and the paper type in the paper setting information of the print job and the paper type in the paper setting information of the paper feeder do not match. (Configuration 13) The image forming device of any one of configurations 1 to 12, further comprising a sixth control means for controlling printing on paper fed from the paper feed unit based on the matching paper type when the paper type in the paper setting information of the print job indicates automatic, and the paper type in the paper setting information of the paper feed unit indicates an individual paper type, and when the default paper type of the print job matches the paper type in the paper setting information of the paper feed unit, (Configuration 14) The image forming apparatus according to configuration 13, further comprising a seventh control means for controlling the printing process to be interrupted when the paper type in the paper setting information of the print job indicates automatic, and the paper type in the paper setting information of the paper feeder indicates an individual paper type, and the default paper type of the print job and the paper type in the paper setting information of the paper feeder do not match. (Method 1) a first control step of detecting the paper type of paper placed in the paper feed unit and controlling printing on the paper fed from the paper feed unit based on the detected paper type when the paper type of the paper setting information of the print job indicates automatic and the paper type of the paper setting information of the paper feed unit indicates automatic; a second control step of controlling to interrupt the printing process when the paper type of the paper setting information of the print job indicates an individual paper type and the paper type of the paper setting information of the paper feed unit indicates automatic; 11. A method for controlling an image forming apparatus comprising: (Program 1) A program for causing a computer to function as the image forming apparatus according to any one of configurations 1 to 14. [Explanation of symbols]

[0062] 10 CPU, 11 HDD, 12 RAM, 14 media sensor, 201 image forming apparatus, 201B image forming unit

Claims

1. a first control means for detecting the type of paper placed on the paper feed unit when the paper type of the paper setting information of the print job indicates automatic and the paper type of the paper setting information of the paper feed unit indicates automatic, and controlling printing on the paper fed from the paper feed unit based on the detected paper type; a second control means for controlling the printing process to be interrupted when the paper type of the paper setting information of the print job indicates an individual paper type and the paper type of the paper setting information of the paper feed unit indicates automatic; An image forming apparatus comprising:

2. The image forming apparatus according to claim 1, characterized in that the second control means controls the printing process to be interrupted without transporting the paper from the paper feed unit to the image forming unit when the paper type in the paper setting information of the print job indicates an individual paper type and the paper type in the paper setting information of the paper feed unit indicates automatic.

3. 2. The image forming apparatus according to claim 1, wherein the control based on the detected paper type is control of an image forming speed or a target temperature of a fixing unit.

4. 2. The image forming apparatus according to claim 1, wherein the first control means detects the type of the paper placed in the paper feed section by a sensor.

5. 5. The image forming apparatus according to claim 4, wherein the first control means detects the type of the paper conveyed from the paper feed section to the paper conveying path by a sensor.

6. 2. The image forming apparatus according to claim 1, wherein the paper feed unit is a paper feed unit indicated by setting information of the print job.

7. The image forming apparatus according to claim 1, characterized in that the second control means controls the printing process to be interrupted when the paper type in the paper setting information of the print job indicates an individual paper type, the paper type in the paper setting information of the paper feed unit indicates automatic, and the mode is one in which the paper type in the paper setting information of the paper feed unit is prioritized.

8. The image forming apparatus according to claim 7, further comprising a third control means for controlling printing on paper fed from the paper feed unit based on the paper type in the paper setting information of the print job when the paper type in the paper setting information of the print job indicates an individual paper type and when the mode is one in which the paper type in the paper setting information of the print job is prioritized.

9. 8. The image forming apparatus according to claim 7, further comprising a fourth control means for controlling printing on paper fed from the paper feed unit under control based on the paper type of the paper setting information of the print job when the paper type of the paper setting information of the print job indicates an individual paper type, the paper type of the paper setting information of the paper feed unit indicates an individual paper type, the mode is such that the paper type of the paper setting information of the paper feed unit takes precedence, and the paper type of the paper setting information of the print job matches the paper type of the paper setting information of the paper feed unit.

10. 10. The image forming apparatus according to claim 9, further comprising a fifth control means for controlling to interrupt the printing process when the paper type in the paper setting information of the print job indicates an individual paper type, the paper type in the paper setting information of the paper feeder indicates an individual paper type, the mode is one in which the paper type in the paper setting information of the paper feeder takes priority, and the paper type in the paper setting information of the print job and the paper type in the paper setting information of the paper feeder do not match.

11. The image forming apparatus according to claim 1, further comprising a fourth control means for controlling printing on paper fed from the paper feed unit based on the paper type in the paper setting information of the print job when the paper type in the paper setting information of the print job indicates an individual paper type, and when the paper type in the paper setting information of the paper feed unit indicates an individual paper type, and when the paper type in the paper setting information of the print job matches the paper type in the paper setting information of the paper feed unit,

12. The image forming apparatus according to claim 11, further comprising a fifth control means for controlling the printing process to be interrupted when the paper type in the paper setting information of the print job indicates an individual paper type, and the paper type in the paper setting information of the paper feed unit indicates an individual paper type, and the paper type in the paper setting information of the print job and the paper type in the paper setting information of the paper feed unit do not match.

13. The image forming apparatus according to claim 1, further comprising a sixth control means for controlling printing on paper fed from the paper feed unit based on the matching paper type when the paper type in the paper setting information of the print job indicates automatic, and the paper type in the paper setting information of the paper feed unit indicates an individual paper type, and when the default paper type of the print job matches the paper type in the paper setting information of the paper feed unit, the image forming apparatus further comprises a sixth control means for controlling printing on paper fed from the paper feed unit based on the matching paper type.

14. The image forming apparatus according to claim 13, further comprising a seventh control means for controlling the printing process to be interrupted when the paper type in the paper setting information of the print job indicates automatic, and the paper type in the paper setting information of the paper feed unit indicates an individual paper type, and the default paper type of the print job and the paper type in the paper setting information of the paper feed unit do not match.

15. a first control step of detecting the paper type of paper placed in the paper feed unit and controlling printing on the paper fed from the paper feed unit based on the detected paper type when the paper type of the paper setting information of the print job indicates automatic and the paper type of the paper setting information of the paper feed unit indicates automatic; a second control step of controlling to interrupt the printing process when the paper type of the paper setting information of the print job indicates an individual paper type and the paper type of the paper setting information of the paper feed unit indicates automatic; 11. A method for controlling an image forming apparatus comprising:

16. A program for causing a computer to function as the image forming apparatus according to any one of claims 1 to 14.

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