Electronic printing device and printing system

Abstract

The present invention discloses an electronic printing device and printing system, which relate to the technical field of printing equipment. The electronic printing device and printing system include a mounting frame, a switching mechanism, a drying mechanism, a fixing mechanism, and a lifting mechanism. A mounting box is fixedly mounted on the mounting frame, two sets of support columns are fixedly mounted on the top of the mounting frame, and a box body is fixedly mounted on the top of the two sets of support columns. The electronic printing device and printing system facilitates the switching of printed workpieces through the coordinated use of the mounting frame, the mounting box, the support columns, the printing press, the first motor, the rotating rod, the first umbrella-shaped gear, the transmission rod, the second umbrella-shaped gear, the rotating disk, the first hydraulic rod, and the placement plate. Compared with traditional electronic printing devices and printing systems, the device facilitates the replacement of printed workpieces during use, effectively saving the time of replacing printed workpieces, thereby improving the printing efficiency of printed workpieces.

Description

Technical Field

[0001] The present invention relates to the technical field of printing equipment, and in particular to an electronic printing device and a printing system. Background Art

[0002] Publication number CN206436630U discloses a printing control device and printing system, comprising a first weighing unit, a controller, and a second weighing unit. The first weighing unit is disposed at the front end of a printing table controlled by the printing control device and is used to weigh the weight of the product to be printed before printing; the second weighing unit is disposed at the rear end of the printing table controlled by the printing control device and is used to weigh the weight of the product to be printed after printing. The first input of the controller is connected to the output of the first weighing unit, and the second input of the controller is connected to the output of the second weighing unit. The controller is used to control the printing parameters of the controlled printing table based on the weight values output by the first and second weighing units, thereby controlling the print weight of the product to be printed. This printing control device and printing system can improve the yield of printed products and enhance work efficiency.

[0003] The above-mentioned printing control device and printing system are inconvenient to replace the printing workpiece during use, which consumes a lot of time and affects the printing efficiency. In addition, the printing workpiece is prone to shaking during the printing process, affecting the printing quality, and is not convenient for promotion and use. Summary of the Invention

[0004] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art, and to provide an electronic printing device and a printing system that can solve the problem that it is inconvenient to replace the printed workpiece, which takes a lot of time to replace the printed workpiece and affects its printing efficiency. In addition, the printed workpiece is prone to shaking during the printing process, which affects its printing quality.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an electronic printing device, comprising a mounting frame, a switching mechanism, a drying mechanism, a fixing mechanism and a lifting mechanism, a mounting box being fixedly mounted on the mounting frame, two groups of support columns being fixedly mounted on the top of the mounting frame, a box body being fixedly mounted on the top of the two groups of support columns, a hollow rod being fixedly mounted on the top of the box body, a printing press being arranged above the hollow rod, the switching mechanism comprising a rotating assembly and a lifting assembly, the rotating assembly being arranged on the mounting box, the lifting assembly being arranged on the rotating assembly, the switching mechanism being used for switching printed workpieces, the drying mechanism being arranged on the switching mechanism, the drying mechanism being used for accelerating the cooling of printed workpieces after printing, the fixing mechanism being arranged on one side of the mounting frame, the fixing mechanism being connected to the box body, the fixing mechanism being used for fixing printed workpieces, the lifting mechanism being arranged on the mounting frame, the lifting mechanism being used for printing printed workpieces.

[0006] Preferably, the rotating assembly includes a first motor, a rotating rod, a first bevel gear, a transmission rod, a second bevel gear and a rotating disk. The first motor is fixedly mounted on an outer wall of one side of the installation box, the rotating rod is rotatably mounted on an inner wall of one side of the installation box, the output shaft of the first motor is fixedly connected to the rotating rod through a coupling, the first bevel gear is sleeved on the outer wall of the rotating rod, the transmission rod is rotatably mounted on the top of the installation box, one end of the transmission rod extends to the interior of the installation box and is fixedly mounted with the second bevel gear, the second bevel gear is meshed with the first bevel gear, and the rotating disk is fixedly mounted on the top of the transmission rod.

[0007] Preferably, the lifting assembly includes a first hydraulic rod and a placement plate. The first hydraulic rod is fixedly installed on the top of the rotating disk. There are two groups of first hydraulic rods and they are centrally symmetrical. The free ends of the two groups of first hydraulic rods are fixedly installed with placement plates to facilitate switching of printed workpieces. Compared with traditional electronic printing devices and printing systems, the device facilitates replacement of printed workpieces during use, effectively saves time in replacing printed workpieces, and thus promotes the printing efficiency of printed workpieces.

[0008] Preferably, the drying mechanism includes an air collecting box, a hot air blower, a hot air pipe and an air outlet pipe. The air collecting box is fixedly installed on the top of the placement plate, the hot air blower is fixedly installed on the top of the air collecting box, and the output end of the hot air blower is fixedly installed with a hot air pipe. One end of the hot air pipe is fixedly connected to the top of the air collecting box and communicated with the interior of the air collecting box. Air outlet pipes are fixedly installed on the outer walls of both sides of the air collecting box, one end of the air outlet pipe is communicated with the interior of the air collecting box, and a valve is provided on the air outlet pipe to facilitate drying of the printed workpiece, accelerate the shaping and cooling of the printed pattern, thereby increasing printing efficiency and preventing the printed pattern on the printed workpiece from being damaged during the blanking process.

[0009] Preferably, the fixing mechanism includes a second hydraulic rod, an air cylinder, a piston and an air supply pipe. The second hydraulic rod is fixedly mounted on an outer wall of one side of the mounting frame, the air cylinder is fixedly mounted on an outer wall of one side of the mounting frame, an opening is provided on the top of the air cylinder, the free end of the second hydraulic rod extends through the opening on the air cylinder to the interior of the air cylinder and is fixedly mounted with a piston, one end of the air supply pipe is fixedly mounted on the bottom of the air cylinder and communicates with the interior of the air cylinder, the other end of the air supply pipe is fixedly connected to an outer wall of one side of the box and communicates with the interior of the box, when printing the printed workpiece, it is convenient to fix the printed workpiece, which can effectively prevent the workpiece from moving during the printing process, thereby ensuring the printing quality of the printed workpiece, and facilitating promotion and use.

[0010] Preferably, the lifting mechanism includes a second motor, a threaded rod, a lifting block and a connecting rod. The second motor is fixedly mounted on the top of the mounting frame, and a sliding groove is provided on one side outer wall of the mounting frame. A threaded rod is rotatably installed inside the sliding groove. The output shaft of the second motor is fixedly connected to the threaded rod through a coupling. The lifting block is slidably installed inside the sliding groove. A threaded hole is provided on the lifting block. The lifting block and the threaded rod are threadedly installed. Two groups of connecting rods are fixedly mounted on one side outer wall of the lifting block. One end of the two groups of connecting rods is fixedly connected to the outer wall of one side of the printing press, which is convenient for pattern printing on the printed workpiece. It has a high degree of automation, high printing accuracy, simple operation, easy to use, high practicality, easy to use, and convenient to promote and use.

[0011] Preferably, the top end of the hollow rod is opened, and the bottom end of the hollow rod is communicated with the interior of the box, so as to facilitate fixing of the printed workpiece.

[0012] Preferably, the placement plate is provided with two sets of positioning grooves which are centrally symmetrical, so as to facilitate the position limiting processing of the printed workpiece.

[0013] An electronic printing system includes the electronic printing device described above.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] (1) The electronic printing device and printing system facilitate switching of printed workpieces by using a mounting frame, a mounting box, a support column, a printing press, a first motor, a rotating rod, a first umbrella-shaped gear, a transmission rod, a second umbrella-shaped gear, a rotating disk, a first hydraulic rod and a placement plate. Compared with conventional electronic printing devices and printing systems, the device facilitates replacement of printed workpieces during use, effectively saves time in replacing printed workpieces, and thus promotes printing efficiency of printed workpieces.

[0016] (2) The electronic printing device and printing system, through the coordinated use of the air collecting box, the hot air blower, the hot air pipe and the air outlet pipe, facilitate the drying of the printed workpiece, accelerate the setting and cooling of the printed pattern, thereby increasing the printing efficiency and preventing the printed pattern on the printed workpiece from being damaged during the blanking process.

[0017] (3) The electronic printing device and printing system, through the coordinated use of the box, the hollow rod, the second hydraulic rod, the air cylinder, the piston and the air pipe, can facilitate the fixing of the printed workpiece when printing the printed workpiece, and can effectively prevent the workpiece from moving during the printing process, thereby ensuring the printing quality of the printed workpiece and facilitating its promotion and use.

[0018] (4) The electronic printing device and printing system, through the coordinated use of the second hydraulic rod, the air cylinder, the piston and the air pipe, facilitate the pattern printing process on the printing workpiece, have a high degree of automation, high printing accuracy, simple operation, easy to use, high practicality, easy to use, and easy to promote and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0020] Figure 1 It is a structural schematic diagram of the present invention;

[0021] Figure 2 It is a front view of the present invention;

[0022] Figure 3 It is a top view of the box of the present invention;

[0023] Figure 4 for Figure 1 A magnified view of part A in FIG;

[0024] Figure 5 for Figure 1 A magnified view of part B in FIG;

[0025] Figure 6 for Figure 1 Enlarged view of part C in .

[0026] Figure numerals: 1. mounting frame; 2. mounting box; 3. supporting column; 4. box body; 5. hollow rod; 6. printing press; 7. switching mechanism; 701. first motor; 702. rotating rod; 703. first umbrella-shaped gear; 704. transmission rod; 705. second umbrella-shaped gear; 706. rotating disk; 707. first hydraulic rod; 708. placing plate; 8. drying mechanism; 801. air collecting box; 802. hot air blower; 803. hot air pipe; 804. air outlet pipe; 9. fixing mechanism; 901. second hydraulic rod; 902. air cylinder; 903. piston; 904. air supply pipe; 10. lifting mechanism; 1001. second motor; 1002. threaded rod; 1003. lifting block; 1004. connecting rod. DETAILED DESCRIPTION

[0027] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it should not be understood as a limitation on the scope of protection of the present invention.

[0028] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0029] In the description of this invention, terms such as "greater than," "less than," and "exceed" are understood to exclude the number itself, while terms such as "above," "below," and "within" are understood to include the number itself. The use of terms such as "first" and "second" is solely for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0030] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0031] See also Figure 1-6 The present invention provides a technical solution: an electronic printing device, including a mounting frame 1, a switching mechanism 7, a drying mechanism 8, a fixing mechanism 9 and a lifting mechanism 10. A mounting box 2 is fixedly installed on the mounting frame 1, two groups of support columns 3 are fixedly installed on the top of the mounting frame 1, and a box body 4 is fixedly installed on the top of the two groups of support columns 3. A hollow rod 5 is fixedly installed on the top of the box body 4, and a printing machine 6 is arranged above the hollow rod 5. The switching mechanism 7 includes a rotating component and a lifting component. The rotating component is arranged on the mounting box 2, and the lifting component is arranged on the rotating component. The switching mechanism 7 is used for switching the printed workpiece, the drying mechanism 8 is arranged on the switching mechanism 7, and the drying mechanism 8 is used to accelerate the cooling of the printed workpiece after printing. The fixing mechanism 9 is arranged on one side of the mounting frame 1, and the fixing mechanism 9 is connected to the box body 4. The fixing mechanism 9 is used to fix the printed workpiece, and the lifting mechanism 10 is arranged on the mounting frame 1. The lifting mechanism 10 is used to print the printed workpiece.

[0032] The rotating assembly includes a first motor 701, a rotating rod 702, a first bevel gear 703, a transmission rod 704, a second bevel gear 705 and a rotating disk 706. The first motor 701 is fixedly installed on the outer wall of one side of the installation box 2, and the rotating rod 702 is rotatably installed on the inner wall of one side of the installation box 2. The output shaft of the first motor 701 is fixedly connected to the rotating rod 702 through a coupling. The first bevel gear 703 is sleeved on the outer wall of the rotating rod 702, and the transmission rod 704 is rotatably installed on the top of the installation box 2. One end of the transmission rod 704 extends to the interior of the installation box 2 and is fixedly installed with the second bevel gear 705. The second bevel gear 705 is meshed with the first bevel gear 703. The rotating disk 706 is fixedly installed on the top of the transmission rod 704. The lowering assembly includes a first hydraulic rod 707 and a placement plate 708. The first hydraulic rod 707 is fixedly installed on the top of the rotating disk 706. The number of the first hydraulic rods 707 is two groups and they are symmetrical about the center. The free ends of the two groups of first hydraulic rods 707 are fixedly installed with placement plates 708. The printed workpiece is placed in the positioning groove on the placement plate 708, and then the start of the first motor 701 is controlled to drive the rotating rod 702 to rotate, drive the first umbrella gear 703 and the transmission rod 704 to rotate, drive the second umbrella gear 705 and the rotating disk 706 to rotate, thereby driving the first hydraulic rod 707 and the placement plate 708 to rotate, move the replaced printed workpiece to the top of the hollow rod 5, control the first hydraulic rod 707 to retract, and then drive the placement plate 708 to move downward. , and then the printed workpiece is placed on the hollow rod 5, which is convenient for switching the printed workpiece. Compared with traditional electronic printing devices and printing systems, the device is convenient for replacing the printed workpiece during use, effectively saving the time for replacing the printed workpiece, thereby promoting the printing efficiency of the printed workpiece. The drying mechanism 8 includes an air collecting box 801, a hot air blower 802, a hot air pipe 803 and an air outlet pipe 804. The air collecting box 801 is fixedly installed on the top of the placement plate 708, and the hot air blower 802 is fixedly installed on the top of the air collecting box 801. The output end of the hot air blower 802 is fixedly installed with a hot air pipe 803, and one end of the hot air pipe 803 is fixedly connected to the top of the air collecting box 801 and communicates with the interior of the air collecting box 801. The outer walls of both sides of the air collecting box 801 are fixedly installed An air outlet pipe 804 is provided, one end of which is communicated with the interior of the air collecting box 801. A valve is provided on the air outlet pipe 804 to control the start of the hot air blower 802, and the hot air is transported to the air collecting box 801 through the hot air pipe 803, and then discharged through the air outlet pipe 804, which is convenient for drying the workpiece after printing, can accelerate the shaping and cooling of the printed pattern, thereby increasing the printing efficiency and preventing the printed pattern on the printed workpiece from being damaged during the blanking process. The fixing mechanism 9 includes a second hydraulic rod 901, an air cylinder 902, a piston 903 and an air pipe 904. The second hydraulic rod 901 is fixedly installed on the outer wall of one side of the mounting frame 1, and the air cylinder 902 is fixedly installed on the outer wall of one side of the mounting frame 1. The top of the air cylinder 902 is provided with an opening.The free end of the second hydraulic rod 901 extends through the opening on the air cylinder 902 to the interior of the air cylinder 902 and is fixedly installed with a piston 903. One end of the air supply pipe 904 is fixedly installed at the bottom of the air cylinder 902 and communicates with the interior of the air cylinder 902. The other end of the air supply pipe 904 is fixedly connected to the outer wall of one side of the box 4 and communicates with the interior of the box 4. The second hydraulic rod 901 is controlled to contract, driving the piston 903 to move longitudinally, and then the air in the box 4 is sucked into the air cylinder 902, thereby increasing the air pressure of the box 4 and sucking the printed workpiece onto the hollow rod. 5, when printing the printed workpiece, it is convenient to fix the printed workpiece, which can effectively prevent the workpiece from moving during the printing process, thereby ensuring the printing quality of the printed workpiece, and is easy to promote and use. The lifting mechanism 10 includes a second motor 1001, a threaded rod 1002, a lifting block 1003 and a connecting rod 1004. The second motor 1001 is fixedly installed on the top of the mounting frame 1, and a sliding groove is opened on the outer wall of one side of the mounting frame 1. The threaded rod 1002 is rotatably installed inside the sliding groove. The output shaft of the second motor 1001 is connected to the mounting frame 1 through a coupling. The lifting block 1003 is fixedly connected to the threaded rod 1002, and the lifting block 1003 is slidably installed inside the slide. A threaded hole is provided on the lifting block 1003. The lifting block 1003 is threadedly installed with the threaded rod 1002. Two sets of connecting rods 1004 are fixedly installed on the outer wall of one side of the lifting block 1003. One end of the two sets of connecting rods 1004 is fixedly connected to the outer wall of one side of the printing press 6. The second motor 1001 is controlled to start and drive the threaded rod 1002 to rotate. The lifting block 1003 is driven by the principle of threaded installation of the threaded rod 1002 to drive the lifting block 100 3 and the connecting rod 1004 move downward, driving the printing machine 6 to move downward, and then the printing machine 6 prints the pattern on the printing workpiece, which is convenient for pattern printing on the printing workpiece. It has a high degree of automation, high printing accuracy, simple operation, easy to use, high practicality, and is easy to use, easy to promote and use. The top of the hollow rod 5 is open, and the bottom of the hollow rod 5 is connected to the interior of the box 4, which is convenient for fixing the printing workpiece. The placement plate 708 has two sets of positioning grooves that are centrally symmetrical, which is convenient for limiting the printing workpiece.

[0033] An electronic printing system includes any one of the above electronic printing devices.

[0034] Working principle: When in use, place the printed workpiece in the positioning groove on the placement plate 708, then control the start of the first motor 701 to drive the rotating rod 702 to rotate, drive the first umbrella gear 703 and the transmission rod 704 to rotate, drive the second umbrella gear 705 and the rotating disk 706 to rotate, thereby driving the first hydraulic rod 707 and the placement plate 708 to rotate, and move the replaced printed workpiece to the top of the hollow rod 5, then control the first hydraulic rod 707 to retract, and then drive the placement plate 708 to move downward, and then place the printed workpiece on the hollow rod 5, and then control the second hydraulic rod 901 to retract, driving the piston 903 to move longitudinally , and then the air in the box 4 is drawn into the air cylinder 902, thereby increasing the air pressure in the box 4, sucking the printed workpiece onto the hollow rod 5, and then controlling the start of the second motor 1001 to drive the threaded rod 1002 to rotate, and utilizing the principle of threaded installation of the lifting block 1003 and the threaded rod 1002, drive the lifting block 1003 and the connecting rod 1004 to move downward, drive the printing machine 6 to move downward, and then use the printing machine 6 to print the pattern on the printed workpiece, and then control the start of the hot air blower 802 to transport the hot air through the hot air pipe 803 to the air collecting box 801, and then discharge it through the air outlet pipe 804 to dry the printed workpiece.

[0035] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the scope of the present invention.

Claims

1. An electronic printing device, characterized in that: include: A mounting frame (1) is fixedly mounted with a mounting box (2), two sets of support columns (3) are fixedly mounted on the top of the mounting frame (1), a box body (4) is fixedly mounted on the top of the two sets of support columns (3), a hollow rod (5) is fixedly mounted on the top of the box body (4), and a printing machine (6) is arranged above the hollow rod (5); The switching mechanism (7) includes a rotating assembly and a lifting assembly, the rotating assembly is arranged on the mounting box (2), and the lifting assembly is arranged on the rotating assembly. The switching mechanism (7) is used for switching the printed workpiece; A drying mechanism (8) is provided on the switching mechanism (7), and the drying mechanism (8) is used to cool the accelerated printed workpiece after printing; A fixing mechanism (9) is provided on one side of the mounting frame (1), the fixing mechanism (9) is connected to the box (4), and the fixing mechanism (9) is used to fix the printed workpiece; A lifting mechanism (10) is provided on the mounting frame (1), and the lifting mechanism (10) is used to print a printed workpiece; The rotating assembly comprises a first motor (701), a rotating rod (702), a first bevel gear (703), a transmission rod (704), a second bevel gear (705) and a rotating disk (706); the first motor (701) is fixedly mounted on an outer wall of one side of the installation box (2); the rotating rod (702) is rotatably mounted on an inner wall of one side of the installation box (2); the output shaft of the first motor (701) is fixedly connected to the rotating rod (702) via a coupling; the first bevel gear (703) is sleeved on the outer wall of the rotating rod (702); the transmission rod (704) is rotatably mounted on the top of the installation box (2); one end of the transmission rod (704) extends into the interior of the installation box (2) and is fixedly mounted with the second bevel gear (705); the second bevel gear (705) is meshed with the first bevel gear (703); and the rotating disk (706) is fixedly mounted on the top of the transmission rod (704); The lifting assembly comprises a first hydraulic rod (707) and a placement plate (708). The first hydraulic rod (707) is fixedly mounted on the top of the rotating disk (706). The first hydraulic rod (707) is provided in two groups and is centrally symmetrical. The placement plates (708) are fixedly mounted on the free ends of the two groups of first hydraulic rods (707). The drying mechanism (8) includes an air collecting box (801), a hot air blower (802), a hot air pipe (803) and an air outlet pipe (804); the air collecting box (801) is fixedly mounted on the top of the placement plate (708); the hot air blower (802) is fixedly mounted on the top of the air collecting box (801); the hot air pipe (803) is fixedly mounted on the output end of the hot air blower (802); one end of the hot air pipe (803) is fixedly connected to the top of the air collecting box (801) and communicates with the interior of the air collecting box (801); air outlet pipes (804) are fixedly mounted on the outer walls of both sides of the air collecting box (801); one end of the air outlet pipe (804) is communicated with the interior of the air collecting box (801); and a valve is provided on the air outlet pipe (804); The fixing mechanism (9) comprises a second hydraulic rod (901), an air cylinder (902), a piston (903) and an air supply pipe (904). The second hydraulic rod (901) is fixedly mounted on an outer wall of one side of the mounting frame (1). The air cylinder (902) is fixedly mounted on an outer wall of one side of the mounting frame (1). An opening is provided at the top of the air cylinder (902). The free end of the second hydraulic rod (901) extends through the opening on the air cylinder (902) to the interior of the air cylinder (902) and is fixedly mounted with the piston (903). One end of the air supply pipe (904) is fixedly mounted on the bottom of the air cylinder (902) and communicates with the interior of the air cylinder (902). The other end of the air supply pipe (904) is fixedly connected to an outer wall of one side of the box body (4) and communicates with the interior of the box body (4).

2. The electronic printing device according to claim 1, characterized in that: The lifting mechanism (10) comprises a second motor (1001), a threaded rod (1002), a lifting block (1003) and a connecting rod (1004); the second motor (1001) is fixedly mounted on the top of the mounting frame (1); a sliding groove is provided on one side outer wall of the mounting frame (1); a threaded rod (1002) is rotatably mounted inside the sliding groove; an output shaft of the second motor (1001) is fixedly connected to the threaded rod (1002) via a coupling; the lifting block (1003) is slidably mounted inside the sliding groove; a threaded hole is provided on the lifting block (1003); the lifting block (1003) is threadedly mounted to the threaded rod (1002); two groups of connecting rods (1004) are fixedly mounted on one side outer wall of the lifting block (1003); one end of the two groups of connecting rods (1004) is fixedly connected to the outer wall of one side of the printing press (6).

3. The electronic printing device according to claim 2, characterized in that: The top end of the hollow rod (5) is open, and the bottom end of the hollow rod (5) is in communication with the interior of the box (4).

4. The electronic printing device according to claim 3, characterized in that: The placement plate (708) is provided with two sets of positioning grooves which are centrally symmetrical.

5. An electronic printing system, characterized in that: The electronic printing device comprises any one of claims 1 to 4.

Images