US20020000689A1 - Image producing apparatus wherein a paper feed unit and a paper stack are arranged in a vertical direction - Google Patents
Image producing apparatus wherein a paper feed unit and a paper stack are arranged in a vertical direction Download PDFInfo
- Publication number
- US20020000689A1 US20020000689A1 US09/049,019 US4901998A US2002000689A1 US 20020000689 A1 US20020000689 A1 US 20020000689A1 US 4901998 A US4901998 A US 4901998A US 2002000689 A1 US2002000689 A1 US 2002000689A1
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- United States
- Prior art keywords
- paper
- unit
- image producing
- tray
- stack
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/65—Apparatus which relate to the handling of copy material
- G03G15/6538—Devices for collating sheet copy material, e.g. sorters, control, copies in staples form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/02—Supports or magazines for piles from which articles are to be separated adapted to support articles on edge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/28—Supports or magazines for piles from which articles are to be separated compartmented to receive piles side-by-side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H39/00—Associating, collating, or gathering articles or webs
- B65H39/10—Associating articles from a single source, to form, e.g. a writing-pad
- B65H39/11—Associating articles from a single source, to form, e.g. a writing-pad in superposed carriers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/65—Apparatus which relate to the handling of copy material
- G03G15/6502—Supplying of sheet copy material; Cassettes therefor
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/65—Apparatus which relate to the handling of copy material
- G03G15/6588—Apparatus which relate to the handling of copy material characterised by the copy material, e.g. postcards, large copies, multi-layered materials, coloured sheet material
- G03G15/6594—Apparatus which relate to the handling of copy material characterised by the copy material, e.g. postcards, large copies, multi-layered materials, coloured sheet material characterised by the format or the thickness, e.g. endless forms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00519—Constructional details not otherwise provided for, e.g. housings, covers
- H04N1/00525—Providing a more compact apparatus, e.g. sheet discharge tray in cover
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
- H04N1/0057—Conveying sheets before or after scanning
- H04N1/00588—Conveying sheets before or after scanning to the scanning position
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
- H04N1/0057—Conveying sheets before or after scanning
- H04N1/00591—Conveying sheets before or after scanning from the scanning position
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
- H04N1/00631—Ejecting or stacking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2408/00—Specific machines
- B65H2408/10—Specific machines for handling sheet(s)
- B65H2408/11—Sorters or machines for sorting articles
- B65H2408/111—Sorters or machines for sorting articles with stationary location in space of the bins and a diverter per bin
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
- G03G2215/00443—Copy medium
- G03G2215/00451—Paper
- G03G2215/00464—Non-standard format
- G03G2215/00468—Large sized, e.g. technical plans
Definitions
- the present invention relates to an image producing apparatus wherein a paper feed unit and a paper stack are arranged in a vertical direction, especially that provided with a sorter to be used for paper discharge/sorting, applicable to a printer, copier, etc. for copying and printing.
- large size paper (A3, 11′′ ⁇ 17′′, etc.) discharged to the upper paper discharge tray is to cover the paper discharge tray on the lower stage from the visual angle, and interrupts confirmation and taking out of the small size paper discharge discharged in the paper discharge tray on the lower stage.
- the center of gravity of the sorter is deviated upward, thereby providing a liability to fall.
- An object of the present invention is to provide an image producing apparatus wherein the floor surface projection area can be reduced and the freedom of the place of installation can be enlarged. Moreover, it is to provide an image producing apparatus with sorter wherein the confirmation of paper discharge and taking out can be easily carried out irrespective of the paper size, and the apparatus is less liable to fall even in case of the discharge of the large size paper in a large volume.
- an image producing apparatus wherein a paper feed unit and a paper stack are arranged in a vertical direction, comprising: an image producing unit which produces images on paper; a vertical type paper feed unit which is located in a vertical direction to the image producing unit, and feeds the paper to the image producing unit, wherein the paper are contained in an upright position; and, a paper stack which is located in a vertical direction of the image producing unit, and contains the paper discharged from the image producing unit.
- an image producing apparatus wherein a paper feed unit and paper stack are arranged in a vertical direction, comprising: an image producing unit which produces an image on paper fed from the paper feed unit; a paper stack which consists of a plurality of trays arranged in upward and downward direction, a paper conveying path in which the paper discharged from the image producing unit, are conveyed to each of the trays, and a paper conveying device which conveys the paper discharged from the image producing unit; and, a control device which specifies one of said plurality of trays in response to a paper size, and controls the paper conveying device so as to convey the paper into the specified tray.
- FIGS. 1 ( a ) and 1 ( b ) are the vertical sectional views of the printer according to the first embodiment of the invention.
- FIG. 2 is a vertical sectional view of the printer according to the second embodiment of the invention.
- FIG. 3 is a vertical sectional view of the printer according to the third embodiment of the invention.
- FIGS. 4 ( a ) and 4 ( b ) are the vertical sectional views of the printer according to the fourth embodiment of the invention.
- FIG. 5 is a vertical sectional view of the printer according to the fifth embodiment of the invention.
- FIG. 6 is a vertical sectional view of the printer according to the sixth embodiment of the invention.
- FIGS. 7 ( a ), 7 ( b ), 7 ( c ) and 7 ( d ) are the sectional views of the paper feed units in the printer according to the seventh embodiment of the invention.
- FIGS. 8 ( a ) and 8 ( b ) are the vertical sectional views of the paper feed units in the printer according to the eighth embodiment of the invention.
- FIG. 9( a ) is an illustrative view of constitution of the paper feed unit in the printer according to the ninth embodiment of the invention
- FIGS. 9 ( b ) and 9 ( c ) are the views to show the action of the front door of the paper feed unit.
- FIGS. 10 ( a ), 10 ( b ), 10 ( c ) and 10 ( d ) are the vertical sectional views of the paper discharge units in the printer according to the tenth embodiment of the invention.
- FIG. 11 is a perspective view of the printer according to the tenth embodiment.
- FIG. 12( a ) is a vertical sectional view of the distribution device in the paper discharge unit
- FIGS. 12 ( b ) and 12 ( c ) are the vertical sectional views to show the action of the distribution device.
- FIG. 13( a ) is a perspective view of an example in which the paper discharge units are arranged in parallel
- FIG. 13( b ) is a vertical sectional view of the paper discharge unit on the printing unit side in the same constitution
- FIG. 13( c ) is a vertical sectional view of the paper discharge unit side in the same constitution
- FIG. 13( d ) is a horizontal sectional view of the paper discharge unit in the same constitution.
- FIGS. 14 ( a ) and 14 ( b ) are top views of the printer of the eleventh embodiment showing the constitution of the main body of the paper discharge unit notched at its top face and front face.
- FIG. 15( a ) is a perspective view of the paper discharge unit in the printer according to the twelfth embodiment
- FIG. 15( b ) is a horizontal sectional view of the paper discharge unit of the same
- FIG. 15( c ) is a horizontal sectional view of the paper discharge unit of the same showing the condition of taking out the discharged paper.
- FIG. 16( a ) is a side view of the multi-tray in the printer according to the thirteenth embodiment
- FIG. 16( b ) is a vertical sectional view of the same multi-tray
- FIG. 16( c ) is a top face view of the same multi-tray.
- FIG. 17( a ) is a perspective view of the printer according to the fourteenth embodiment showing the condition of installation in which the paper passing direction is made vertical to the front face of the machine
- FIG. 17( b ) is a perspective view of the same in which the paper passing direction is made horizontal to the front face of the machine
- FIG. 17( c ) is a perspective view of the same in which the main body of the machine is suspended from the partition or the like.
- FIG. 18 is a vertical sectional view of the printer according to the fifteenth embodiment of the invention.
- FIG. 19 is a vertical sectional view of the printer according to the sixteenth embodiment of the invention.
- FIG. 20 is a vertical sectional view of the printer according to the seventeenth embodiment of the invention.
- FIG. 21 is a vertical sectional view of the printer according to the eighteenth embodiment of the invention.
- FIG. 22 is a flow chart for paper discharge control in the printer shown in FIG. 18 to FIG. 21 above.
- FIG. 23 is a constitution view of the discharge tray in the printer according to the nineteenth embodiment of the invention.
- FIG. 24 is a flow chart for paper discharge control in the printer shown in FIG. 23 above.
- FIG. 25 is a constitution view of the discharge tray in the printer according to the twentieth embodiment of the invention.
- FIG. 26 is a flow chart for paper discharge control in the printer shown in FIG. 25 above.
- FIG. 27 is a constitution view of the discharge tray in the printer according to the twenty-first embodiment of the invention.
- FIG. 28 is a flow chart for paper discharge control in the printer shown in FIG. 27 above.
- FIGS. 1 ( a ) and 1 ( b ) show the constitution of the printer according to the first embodiment.
- the printer 100 comprises a printing unit (image producing unit) 2 which is provided in the main body and designed to produce an image on the paper by laser system or the like, a vertical type paper feed unit 1 which is arranged in a position of vertical direction to the printing unit 2 for feeding paper to the printing unit 2 , and a discharge unit (paper stack) 3 which is arranged in a position of vertical direction to the printing unit 2 and having a discharge tray 4 for containing the paper discharged from the printing unit 2 .
- a printing unit image producing unit
- vertical type paper feed unit 1 which is arranged in a position of vertical direction to the printing unit 2 for feeding paper to the printing unit 2
- a discharge unit (paper stack) 3 which is arranged in a position of vertical direction to the printing unit 2 and having a discharge tray 4 for containing the paper discharged from the printing unit 2 .
- the printing unit 2 is arranged on the paper feed unit 1
- the discharge unit 3 is arranged on the printing unit 2 .
- the paper feed unit 1 the paper is contained and fed in a vertical direction.
- the paper passage route 5 as shown in the dotted line the paper discharged from the paper feed unit 1 passes through the printing unit 2 , is carried to the discharge unit 3 , and discharged to the discharge tray 4 .
- the paper passage route 5 from the paper feed unit 1 to the printing unit 2 is led through the front side of the main body in FIG. 1( a ), and through the rear side of the main body in FIG. 1( b ).
- FIG. 2 shows the constitution of the printer according to the second embodiment.
- a discharge unit 3 is arranged on the paper feed unit 1 , and a printing unit 2 on the discharge unit 3 .
- the paper feed unit 1 the paper is contained in the vertical direction and fed.
- the paper which is discharged from the paper feed unit 1 is passed through the vertical conveying route 6 , conveyed to the printing unit 2 , printed, and then conveyed to the discharge unit 3 , and discharged to the discharge tray 4 .
- FIG. 3 shows a constitution of the printer according to the third embodiment.
- the paper feed unit 1 is arranged on the discharge unit 3
- the printing unit 2 is arranged on the paper feed unit 1 .
- the paper feed unit 1 the paper is contained in the vertical direction and fed.
- the paper which is discharged from the paper feed unit 1 is conveyed to the printing unit 2 , printed, and then passed through the vertical conveying route 6 , conveyed to the discharge unit 3 , and discharged to the discharge tray 4 .
- FIGS. 4 ( a ) and 4 ( b ) show a constitution of the printer according to the fourth embodiment.
- the printing unit 2 is arranged on the discharge unit 3
- the paper feed unit 1 is arranged on the printing unit 2 .
- the paper is contained in the vertical direction and fed.
- the paper which is discharged from the paper feed unit 1 is conveyed to the printing unit 2 , printed, and then conveyed to the discharge unit 3 , and discharged to the discharge tray 4 .
- FIG. 5 shows a constitution of the printer according to the fifth embodiment.
- the paper feed unit 1 is arranged on the printing unit 2
- the discharge unit 3 is arranged on the paper feed unit 1 .
- the paper is contained in the vertical direction and fed.
- the paper which is discharged from the paper feed unit 1 is conveyed to the printing unit 2 , printed, and then passed through the vertical conveying route 6 , conveyed to the discharge unit 3 , and discharged to the discharge tray 4 .
- FIG. 6 shows a constitution of the printer according to the sixth embodiment.
- the discharge unit 3 is arranged on the printing unit 2
- the paper feed unit 1 is arranged on the discharge unit 3 .
- the paper is contained in the vertical direction and fed.
- the paper which is discharged from the paper feed unit 1 is passed through the vertical conveying route 6 , conveyed to the printing unit 2 , printed, and then conveyed to the discharge unit 3 , and discharged to the discharge tray 4 .
- FIGS. 7 ( a )- 7 ( d ) show the constitution of the paper feed unit in the printer according to the seventh embodiment.
- the paper feeding unit shown in FIGS. 7 ( a ) and 7 ( b ) has a containing base plate 7 for keeping the paper in a vertical direction, and by pressing the pressure plate 9 to the containing base plate 7 side by the pressing device 8 , the paper is pressed to fix in the containing base plate 7 to keep the upright held condition.
- the paper is fed sheet by sheet upward or downward by the shuffling device 10 .
- the paper feed unit shown in FIG. 7( c ) is to contain the paper in the vertical direction in the containing base plate 7 which is slightly inclined from the vertical direction.
- the paper By pressing the pressure plate 12 by a pressing device 11 such as a leaf spring, the paper is pressed to fix in the containing base plate 7 to be held in an upright condition. Also, by pushing up the pressure plate 9 by the pressing device 8 from the opposite side of the paper, the paper is pressed to the shuffling device 10 side to guide the paper to the shuffling means 10 . The paper is fed sheet by sheet by the shuffling device 10 .
- the paper feed unit shown in FIG. 7( d ) is similarly to contain the paper in the containing base plate 7 which is slightly inclined from the vertical direction. By pressing the paper to the containing base plate 7 side by the self weight of the pressure plate 9 , the paper is pressed to fix in the containing base plate 7 to be held in an upright condition. The paper is fed sheet by sheet by the shuffling device 10 .
- FIGS. 8 ( a ) and 8 ( b ) show the constitution of the paper feed unit in case of the printer having a plurality of paper feed trays according to the eighth embodiment.
- the paper feed unit 1 shown in FIG. 8( a ) is provided with the paper feed trays 13 - 16 which can contain and feed paper individually, so that the number of the paper feed trays can be increased for decreased according to the differences of the number of papers or kind of paper.
- a paper feed tray 17 for large size is arranged in the space corresponding to the upper and lower two stages of the paper feed trays 13 , 14 for small size paper, so that the large size paper can be fed.
- FIGS. 9 ( a ), 9 ( b ) and 9 ( c ) show the constitution of the paper feed unit in the printer according to the ninth embodiment and the method of replenishing paper to the paper feed unit 1 .
- the paper feed unit 1 is provided with a front door (cover) 18 which can be opened forward, and in its inside there are arranged the paper feed trays 13 - 16 which can contain and feed paper individually.
- the paper feed trays 13 - 16 are rotatable forward on the axis of the point near the bottom part.
- the front door 18 is opened, the respective trays fall forward with inclination, and their top openings are exposed.
- the paper can be inserted in the respective paper feed tray through the opening (solid line, arrow mark direction).
- FIG. 9( c ) the direction for the front door 18 to open is different from that described above.
- FIG. 10 to FIG. 13 show the constitution examples of the discharge tray in the discharge unit 3 of the printer according to the tenth embodiment.
- the discharge tray 4 which can discharge and contain paper individually respectively is arranged in a form that the front end is directed downward externally from the discharge port 19 , by which the paper is aligned to the tray front end side by own weight after the paper discharge.
- the discharge tray 4 which can individually discharge and contain paper is arranged in a form that the front end is directed upward externally from the paper discharge port 19 , by which the paper is aligned to the tray rear end side by own weight after the paper discharge.
- the discharge tray units 20 which can individually discharge and contain paper are arranged. These discharge tray units 20 are respectively independent, so that they are increased by the required number by connecting in a vertical direction.
- FIG. 10( d ) the discharge trays 4 which can individually discharge and contain paper are arranged on both sides of the discharge unit 3 .
- the paper is discharged to the respective discharge trays by means of the distributing device 21 arranged in the paper passage route 5 .
- FIG. 11 is a perspective view of the constitution of FIG. 10( d ).
- FIG. 12( a ) there is shown an example of constitution of the distributing device 21 .
- the printed paper is conveyed from the lower part to the paper passage route 5 and then upward by the conveying roller 22 , as shown in the arrow mark in the drawing.
- the changeover vanes 23 a - 23 d are provided on the paper passage route 5 .
- FIG. 12( b ) shows an example of operation of the distributing device 21 , which shows the case of discharging paper to the discharge tray 4 a.
- FIG. 12( c ) shows the case of discharging paper to the discharge tray 4 b.
- the paper is led through the paper passage route, it collides against the changeover vane 23 b to change the direction, and is discharged to the discharge tray 4 b. Similar sequences apply to the cases of discharging paper to the other discharge trays 4 c, 4 d.
- FIGS. 13 ( a ), 13 ( b ), 13 ( c ) and 13 ( d ) show the cases of constituting the discharge unit 3 in parallel arrangements, being respectively the perspective view, vertical sectional view of the discharge unit on the printing unit side, vertical sectional view of the discharge unit side, and cross sectional view of the discharge unit.
- a horizontal conveying device 25 is arranged inside the discharge unit 3 .
- the paper is conveyed from the printing unit 2 to the inside of the discharge unit 3 and to the horizontal conveying device 25 by the distributing device 21 (FIG. 10( d )). Further, after being conveyed to the discharge unit 3 arranged in parallel by the horizontal conveying means 25 , the paper is discharged to the respective discharge trays 4 through the paper passage route 5 .
- FIGS. 14 ( a ) and 14 ( b ) show the constitution examples of the discharge unit of the printer according to the eleventh embodiment, wherein FIG. 14( a ) shows the front part of the main body of the discharge unit 3 in notched condition.
- the discharge unit 3 has a cover to cover the lateral side of the tray along the direction of the paper discharge. This cover is formed such that the side provided with the notch of the tray is shorter than the other side.
- FIG. 14( b ) shows the top side and front part of the main body of the discharge unit 3 being notched.
- the arrow mark shows the taking out direction in paper discharge.
- FIGS. 15 ( a ), 15 ( b ) and 15 ( c ) show the constitution examples of the discharge unit of the printer according to the twelfth embodiment, wherein there is provided an extrusion bar 26 for extruding the discharge paper from the main body of the discharge unit 3 to the paper discharge port 19 .
- the non-illustrated control unit compares the size of the discharged paper with the size of the containing tray, and drives the non-illustrated drive mechanism to move the extrusion bar 26 by a predetermined amount. By this extrusion, taking the discharged paper is facilitated.
- FIGS. 16 ( a ), 16 ( b ) and 16 ( c ) show the constitution examples of the discharge unit of the printer according to the thirteenth embodiment, wherein there is shown a multi-tray which is easy for taking paper and is highly visible.
- the multi-trays 4 a - 4 e are capable of discharging and containing the paper individually respectively. Each of these trays is arranged in downward disposition, so that the lower tray is positioned forward in comparison with the upper tray.
- the paper which passed through the discharge unit 3 is discharged and then aligned to the front end of the tray by own weight.
- the multi-trays 4 a - 4 e are each provided with a notch at the front end side, and the papers on each tray are arranged in the easily visible distance (size a).
- FIGS. 17 ( a ), 17 ( b ) and 17 ( c ) show the installation examples of the printer according to the fourteenth embodiment, wherein FIG. 17( a ) shows the condition of installation in which the paper passing direction is set to be vertical to the front of the printer 100 , FIG. 17( b ) shows the condition of installation in which the paper passing direction is set to be horizontal to the front of the printer 100 , and FIG. 17( c ) shows the condition in which the printer 100 is suspended from the partition wall 101 with a hanging device 102 .
- FIG. 18 shows a printer according to the fifteenth embodiment.
- a printing unit 2 is arranged on the paper feed unit (large) 1 A and the paper feed unit (small) 1 B.
- the sorter 30 is arranged.
- the paper which is discharged from the paper feed unit is led through the printing unit 2 , conveyed to the sorter 30 , and further automatically distributed to the discharge tray (small) 4 B and the discharge tray (large) 4 A to meet the paper size by the distributor 31 .
- FIG. 19 shows the printer according to the sixteenth embodiment.
- the printing unit 3 is arranged under the paper feed unit (large) 1 A and paper feed unit (small) 1 B, and the sorter 30 is arranged under the printing unit 2 .
- the paper which is discharged from the paper feed unit is led through the printing unit 2 , conveyed to the sorter 30 , and automatically distributed to the discharge tray (small) 4 B and the discharge tray (large) 4 A to meet the paper size by the distributor 31 .
- FIG. 20 shows the printer according to the seventeenth embodiment.
- the sorter 30 is arranged between the paper feed units 1 A, 1 B and the printing unit 2 .
- the paper which is discharged from the paper feed unit is led through the printing unit 2 , conveyed to the sorter 30 , and automatically distributed to the discharge tray (small) 4 B and the discharge tray (large) 4 A to meet the paper size by the distributor 31 .
- FIG. 21 shows the printer according to the eighteenth embodiment.
- the sorter 30 is arranged on the side of the paper feed units 1 A, 1 B and the printing unit 2 .
- the paper which is discharged from the paper feed unit is led through the printing unit 2 , conveyed to the sorter 30 , and automatically distributed to the discharge tray (small) 4 B and the discharge tray (large) 4 A to meet the paper size by the distributor 31 .
- FIG. 22 shows a flow chart of the paper discharge control in the printer according to the fourteenth to seventeenth embodiments.
- the control unit (control device) provided on the printer checks whether the paper is fed from the paper feed unit (large) 1 or not (#11), and if it is YES, it discharges paper to the discharge tray (large) 4 A (#12), while if it is NO, it discharges paper to any of the discharge tray (small) 4 B (#13).
- FIG. 23 shows the printer according to the nineteenth embodiment.
- the discharge tray (large) 4 A is provided on the printing unit 2 (the first tray in the claim), and the discharge tray (small) 4 B is provided on the sorter 30 which is detachably attached to the upper part of the printing unit 2 (the second tray in the claim).
- the length of the discharge tray is: the discharge tray (large) 4 A>the discharge tray (small) 4 B.
- the paper which is discharged from the paper feed unit is led through the printing unit 2 , and automatically distributed to the discharge tray (small) 4 B and the discharge tray (large) 4 A to meet the paper size by the distributor 31 .
- FIG. 24 shows a flow chart of the paper discharge control in the printer of FIG. 23.
- the control unit checks whether there is a sorter 30 or not (#10), and if NO, it discharges paper to the discharge tray (large) 4 A (#14), while if it is YES, it examines whether it is the paper fed from the paper feed unit (large) or not (#11), and the subsequent steps are same as above.
- FIG. 25 shows an example of constitution of the discharge tray of the printer according to the twentieth embodiment.
- the discharge tray has three stages of length.
- the length of the discharge tray is: the discharge tray (large) 4 A>discharge tray (medium) 4 C>discharge tray (small) 4 B.
- the paper which is discharged from the paper feed unit is led through the printing unit 2 , and automatically distributed to the discharge tray to meet the paper size by the distributor 31 .
- FIG. 26 shows a flow chart of the paper discharge control in the printer of FIG. 25.
- the control unit checks whether it is the paper fed from the paper feed unit (large) or not (#11), and if it is YES, it discharges paper to the discharge tray (large) 4 A (#12), while if NO, it examines whether it is the paper fed from the paper feed unit (medium) or not (#15), and if it is YES, it discharges paper to the discharge tray (medium) 4 C (#16), while if NO, it discharges paper to the discharge tray (small) 4 B (#17).
- FIG. 27 shows a constitution example of the discharge trays of the printer according to the twenty-first embodiment.
- the discharge trays 4 have all different lengths. The lengths of the tray are the largest in the lowermost stage, the smaller to the upper stage, and the smallest in the uppermost stage.
- the paper which is discharged from the paper feed unit is led through the printing unit 2 , and automatically distributed to the discharge tray to meet the paper size by the distributor 31 .
- FIG. 28 shows a flow chart of the paper discharge control in the printer of FIG. 27. In this case, the sizes of the paper to be fed are classified into A3, B4, A4, B5, A5, postcard, and envelope.
- the discharge trays are marked with a, b, c, d, e, f in order from the lowermost stage to upward.
Abstract
An image reading apparatus comprises a vertical type paper feed unit which feed paper into a printing unit, and a discharge unit which contains the paper discharged from the printing unit. The paper feed unit and the discharged unit are arranged in a vertical direction to the printing unit, which will allow the floor surface projection area to be reduced. Further, the paper is conveyed into one of discharge trays in accordance with its paper size. Thereby, the larger size paper is discharged underside the smaller size paper, accordingly, it does not occur for the paper discharged to the upper discharge tray to shield the paper on the lower stage discharge tray from the visual angle. Also, the confirmation of paper discharge and taking out can be easily carried out irrespective of the paper size.
Description
- The present invention relates to an image producing apparatus wherein a paper feed unit and a paper stack are arranged in a vertical direction, especially that provided with a sorter to be used for paper discharge/sorting, applicable to a printer, copier, etc. for copying and printing.
- In the conventional printer, there is known a technique having a constitution wherein the printing apparatus/paper feed apparatus/sorter are laid in vertical direction to reduce the area for installation. In the paper discharge apparatus equipped in the conventional printer or copier with sorter, there is known a technique to provide a U-type notch on the paper discharge tray to facilitate confirmation of small sized paper discharge or taking out such paper.
- However, in the conventional printer or copier as above, because the paper containing is made in horizontal direction in the paper feeding apparatus, there is a problem that the installation area cannot be reduced any further, and the place of installation is limited.
- Also, in the sorter of ordinary copier, large size paper (A3, 11″×17″, etc.) discharged to the upper paper discharge tray is to cover the paper discharge tray on the lower stage from the visual angle, and interrupts confirmation and taking out of the small size paper discharge discharged in the paper discharge tray on the lower stage. Furthermore, in a sorter of an ordinary copier, when a large volume of the large sized paper is discharged in the upper paper discharge tray, the center of gravity of the sorter is deviated upward, thereby providing a liability to fall.
- An object of the present invention is to provide an image producing apparatus wherein the floor surface projection area can be reduced and the freedom of the place of installation can be enlarged. Moreover, it is to provide an image producing apparatus with sorter wherein the confirmation of paper discharge and taking out can be easily carried out irrespective of the paper size, and the apparatus is less liable to fall even in case of the discharge of the large size paper in a large volume.
- According to one aspect of the present invention, an image producing apparatus wherein a paper feed unit and a paper stack are arranged in a vertical direction, comprising: an image producing unit which produces images on paper; a vertical type paper feed unit which is located in a vertical direction to the image producing unit, and feeds the paper to the image producing unit, wherein the paper are contained in an upright position; and, a paper stack which is located in a vertical direction of the image producing unit, and contains the paper discharged from the image producing unit.
- In this constitution, because the projection area on the floor surface in the paper contained state in the paper feed unit can be constricted, the floor surface projection area for installation of apparatus can be reduced, thereby providing the greater freedom for the installation place.
- According to another aspect of the present invention, an image producing apparatus wherein a paper feed unit and paper stack are arranged in a vertical direction, comprising: an image producing unit which produces an image on paper fed from the paper feed unit; a paper stack which consists of a plurality of trays arranged in upward and downward direction, a paper conveying path in which the paper discharged from the image producing unit, are conveyed to each of the trays, and a paper conveying device which conveys the paper discharged from the image producing unit; and, a control device which specifies one of said plurality of trays in response to a paper size, and controls the paper conveying device so as to convey the paper into the specified tray.
- In this constitution, it is possible to constitute so that, of the paper up to the maximum printable size, the larger size paper is discharged underside the smaller size paper at all times. Therefore, it does not occur for the paper discharged to the upper paper discharge tray to shield the paper on the lower stage discharge tray from the visual angle. Accordingly, without respect to the paper size, confirmation of paper discharge and taking out can be easily performed. Also, as it is possible to arrange so that the heavier weight larger sized paper discharge tray is positioned underneath, and the heavier weight larger sized paper is always discharged downward, the center of gravity of the sorter does not deflect upward. Accordingly, even if the large size paper is discharged in a large volume, the apparatus is less apt to fall.
- FIGS.1(a) and 1(b) are the vertical sectional views of the printer according to the first embodiment of the invention.
- FIG. 2 is a vertical sectional view of the printer according to the second embodiment of the invention.
- FIG. 3 is a vertical sectional view of the printer according to the third embodiment of the invention.
- FIGS.4(a) and 4(b) are the vertical sectional views of the printer according to the fourth embodiment of the invention.
- FIG. 5 is a vertical sectional view of the printer according to the fifth embodiment of the invention.
- FIG. 6 is a vertical sectional view of the printer according to the sixth embodiment of the invention.
- FIGS.7(a), 7(b), 7(c) and 7(d) are the sectional views of the paper feed units in the printer according to the seventh embodiment of the invention.
- FIGS.8(a) and 8(b) are the vertical sectional views of the paper feed units in the printer according to the eighth embodiment of the invention.
- FIG. 9(a) is an illustrative view of constitution of the paper feed unit in the printer according to the ninth embodiment of the invention, and FIGS. 9(b) and 9(c) are the views to show the action of the front door of the paper feed unit.
- FIGS.10(a), 10(b), 10(c) and 10(d) are the vertical sectional views of the paper discharge units in the printer according to the tenth embodiment of the invention.
- FIG. 11 is a perspective view of the printer according to the tenth embodiment.
- FIG. 12(a) is a vertical sectional view of the distribution device in the paper discharge unit, and FIGS. 12(b) and 12(c) are the vertical sectional views to show the action of the distribution device.
- FIG. 13(a) is a perspective view of an example in which the paper discharge units are arranged in parallel, FIG. 13(b) is a vertical sectional view of the paper discharge unit on the printing unit side in the same constitution, FIG. 13(c) is a vertical sectional view of the paper discharge unit side in the same constitution, and FIG. 13(d) is a horizontal sectional view of the paper discharge unit in the same constitution.
- FIGS.14(a) and 14(b) are top views of the printer of the eleventh embodiment showing the constitution of the main body of the paper discharge unit notched at its top face and front face.
- FIG. 15(a) is a perspective view of the paper discharge unit in the printer according to the twelfth embodiment, FIG. 15(b) is a horizontal sectional view of the paper discharge unit of the same, and FIG. 15(c) is a horizontal sectional view of the paper discharge unit of the same showing the condition of taking out the discharged paper.
- FIG. 16(a) is a side view of the multi-tray in the printer according to the thirteenth embodiment, FIG. 16(b) is a vertical sectional view of the same multi-tray, and FIG. 16(c) is a top face view of the same multi-tray.
- FIG. 17(a) is a perspective view of the printer according to the fourteenth embodiment showing the condition of installation in which the paper passing direction is made vertical to the front face of the machine, FIG. 17(b) is a perspective view of the same in which the paper passing direction is made horizontal to the front face of the machine, and FIG. 17(c) is a perspective view of the same in which the main body of the machine is suspended from the partition or the like.
- FIG. 18 is a vertical sectional view of the printer according to the fifteenth embodiment of the invention.
- FIG. 19 is a vertical sectional view of the printer according to the sixteenth embodiment of the invention.
- FIG. 20 is a vertical sectional view of the printer according to the seventeenth embodiment of the invention.
- FIG. 21 is a vertical sectional view of the printer according to the eighteenth embodiment of the invention.
- FIG. 22 is a flow chart for paper discharge control in the printer shown in FIG. 18 to FIG. 21 above.
- FIG. 23 is a constitution view of the discharge tray in the printer according to the nineteenth embodiment of the invention.
- FIG. 24 is a flow chart for paper discharge control in the printer shown in FIG. 23 above.
- FIG. 25 is a constitution view of the discharge tray in the printer according to the twentieth embodiment of the invention.
- FIG. 26 is a flow chart for paper discharge control in the printer shown in FIG. 25 above.
- FIG. 27 is a constitution view of the discharge tray in the printer according to the twenty-first embodiment of the invention.
- FIG. 28 is a flow chart for paper discharge control in the printer shown in FIG. 27 above.
- Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. FIGS.1(a) and 1(b) show the constitution of the printer according to the first embodiment. The
printer 100 comprises a printing unit (image producing unit) 2 which is provided in the main body and designed to produce an image on the paper by laser system or the like, a vertical typepaper feed unit 1 which is arranged in a position of vertical direction to theprinting unit 2 for feeding paper to theprinting unit 2, and a discharge unit (paper stack) 3 which is arranged in a position of vertical direction to theprinting unit 2 and having adischarge tray 4 for containing the paper discharged from theprinting unit 2. In this embodiment, theprinting unit 2 is arranged on thepaper feed unit 1, and thedischarge unit 3 is arranged on theprinting unit 2. In thepaper feed unit 1, the paper is contained and fed in a vertical direction. In the figure, according to thepaper passage route 5 as shown in the dotted line, the paper discharged from thepaper feed unit 1 passes through theprinting unit 2, is carried to thedischarge unit 3, and discharged to thedischarge tray 4. Thepaper passage route 5 from thepaper feed unit 1 to theprinting unit 2 is led through the front side of the main body in FIG. 1(a), and through the rear side of the main body in FIG. 1(b). - FIG. 2 shows the constitution of the printer according to the second embodiment. In this
printer 100, adischarge unit 3 is arranged on thepaper feed unit 1, and aprinting unit 2 on thedischarge unit 3. In thepaper feed unit 1, the paper is contained in the vertical direction and fed. In the figure, as in thepaper passage route 5 shown in the dotted line, the paper which is discharged from thepaper feed unit 1 is passed through thevertical conveying route 6, conveyed to theprinting unit 2, printed, and then conveyed to thedischarge unit 3, and discharged to thedischarge tray 4. - FIG. 3 shows a constitution of the printer according to the third embodiment. In this
printer 100, thepaper feed unit 1 is arranged on thedischarge unit 3, and theprinting unit 2 is arranged on thepaper feed unit 1. In thepaper feed unit 1, the paper is contained in the vertical direction and fed. In the figure, as in thepaper passage route 5 shown in the dotted line, the paper which is discharged from thepaper feed unit 1 is conveyed to theprinting unit 2, printed, and then passed through thevertical conveying route 6, conveyed to thedischarge unit 3, and discharged to thedischarge tray 4. - FIGS.4(a) and 4(b) show a constitution of the printer according to the fourth embodiment. In this
printer 100, theprinting unit 2 is arranged on thedischarge unit 3, and thepaper feed unit 1 is arranged on theprinting unit 2. In thepaper feed unit 1, the paper is contained in the vertical direction and fed. In the figure, as in thepaper passage route 5 shown in the dotted line, the paper which is discharged from thepaper feed unit 1 is conveyed to theprinting unit 2, printed, and then conveyed to thedischarge unit 3, and discharged to thedischarge tray 4. - FIG. 5 shows a constitution of the printer according to the fifth embodiment. In this
printer 100, thepaper feed unit 1 is arranged on theprinting unit 2, and thedischarge unit 3 is arranged on thepaper feed unit 1. In thepaper feed unit 1, the paper is contained in the vertical direction and fed. In the figure, as in thepaper passage route 5 shown in the dotted line, the paper which is discharged from thepaper feed unit 1 is conveyed to theprinting unit 2, printed, and then passed through the vertical conveyingroute 6, conveyed to thedischarge unit 3, and discharged to thedischarge tray 4. - FIG. 6 shows a constitution of the printer according to the sixth embodiment. In this
printer 100, thedischarge unit 3 is arranged on theprinting unit 2, and thepaper feed unit 1 is arranged on thedischarge unit 3. In thepaper feed unit 1, the paper is contained in the vertical direction and fed. In the figure, as in thepaper passage route 5 shown in the dotted line, the paper which is discharged from thepaper feed unit 1 is passed through the vertical conveyingroute 6, conveyed to theprinting unit 2, printed, and then conveyed to thedischarge unit 3, and discharged to thedischarge tray 4. - FIGS.7(a)-7(d) show the constitution of the paper feed unit in the printer according to the seventh embodiment. The paper feeding unit shown in FIGS. 7(a) and 7(b) has a containing
base plate 7 for keeping the paper in a vertical direction, and by pressing thepressure plate 9 to the containingbase plate 7 side by thepressing device 8, the paper is pressed to fix in the containingbase plate 7 to keep the upright held condition. The paper is fed sheet by sheet upward or downward by the shufflingdevice 10. The paper feed unit shown in FIG. 7(c) is to contain the paper in the vertical direction in the containingbase plate 7 which is slightly inclined from the vertical direction. By pressing thepressure plate 12 by apressing device 11 such as a leaf spring, the paper is pressed to fix in the containingbase plate 7 to be held in an upright condition. Also, by pushing up thepressure plate 9 by thepressing device 8 from the opposite side of the paper, the paper is pressed to the shufflingdevice 10 side to guide the paper to the shuffling means 10. The paper is fed sheet by sheet by the shufflingdevice 10. The paper feed unit shown in FIG. 7(d) is similarly to contain the paper in the containingbase plate 7 which is slightly inclined from the vertical direction. By pressing the paper to the containingbase plate 7 side by the self weight of thepressure plate 9, the paper is pressed to fix in the containingbase plate 7 to be held in an upright condition. The paper is fed sheet by sheet by the shufflingdevice 10. - FIGS.8(a) and 8(b) show the constitution of the paper feed unit in case of the printer having a plurality of paper feed trays according to the eighth embodiment. The
paper feed unit 1 shown in FIG. 8(a) is provided with the paper feed trays 13-16 which can contain and feed paper individually, so that the number of the paper feed trays can be increased for decreased according to the differences of the number of papers or kind of paper. In thepaper feed unit 1 shown in FIG. 8(b), apaper feed tray 17 for large size is arranged in the space corresponding to the upper and lower two stages of thepaper feed trays - FIGS.9(a), 9(b) and 9(c) show the constitution of the paper feed unit in the printer according to the ninth embodiment and the method of replenishing paper to the
paper feed unit 1. In FIGS. 9(a) and 9(b), thepaper feed unit 1 is provided with a front door (cover) 18 which can be opened forward, and in its inside there are arranged the paper feed trays 13-16 which can contain and feed paper individually. The paper feed trays 13-16 are rotatable forward on the axis of the point near the bottom part. When thefront door 18 is opened, the respective trays fall forward with inclination, and their top openings are exposed. The paper can be inserted in the respective paper feed tray through the opening (solid line, arrow mark direction). In FIG. 9(c), the direction for thefront door 18 to open is different from that described above. - FIG. 10 to FIG. 13 show the constitution examples of the discharge tray in the
discharge unit 3 of the printer according to the tenth embodiment. In the example of FIG. 10(a), thedischarge tray 4 which can discharge and contain paper individually respectively is arranged in a form that the front end is directed downward externally from thedischarge port 19, by which the paper is aligned to the tray front end side by own weight after the paper discharge. In the example of FIG. 10(b), thedischarge tray 4 which can individually discharge and contain paper is arranged in a form that the front end is directed upward externally from thepaper discharge port 19, by which the paper is aligned to the tray rear end side by own weight after the paper discharge. In the example of FIG. 10(c), thedischarge tray units 20 which can individually discharge and contain paper (corresponding to the first unit and second unit in claim) are arranged. Thesedischarge tray units 20 are respectively independent, so that they are increased by the required number by connecting in a vertical direction. - In the example of FIG. 10(d), the
discharge trays 4 which can individually discharge and contain paper are arranged on both sides of thedischarge unit 3. The paper is discharged to the respective discharge trays by means of the distributingdevice 21 arranged in thepaper passage route 5. FIG. 11 is a perspective view of the constitution of FIG. 10(d). In FIG. 12(a), there is shown an example of constitution of the distributingdevice 21. The printed paper is conveyed from the lower part to thepaper passage route 5 and then upward by the conveyingroller 22, as shown in the arrow mark in the drawing. On thepaper passage route 5, thechangeover vanes 23 a-23 d are provided. They display the functions of blocking and opening thepaper passage route 5 by changing the positions centering on the axis of rotation. The paper which has led through thepaper passage route 5 is advanced to the prescribed direction according to the positions of these changeover vanes, and discharged to therespective discharge trays 4 a-4 d. FIG. 12(b) shows an example of operation of the distributingdevice 21, which shows the case of discharging paper to thedischarge tray 4 a. The movements of the respective changeover vanes are: changeover vane 23 a=closed, changeover vane 23 b=open, changeover vane 23 c=open, and changeover vane 23 d=open. The paper is led through the paper passage route, it collides against the changeover vane 23 a to change the direction, and is discharged to thedischarge tray 4 a. FIG. 12(c) shows the case of discharging paper to thedischarge tray 4 b. The movements of the respective changeover vanes are: changeover vane 23 a=open, changeover vane 23 b=closed, changeover vane 23 c=open, and changeover vane 23 d=open. The paper is led through the paper passage route, it collides against the changeover vane 23 b to change the direction, and is discharged to thedischarge tray 4 b. Similar sequences apply to the cases of discharging paper to theother discharge trays 4 c, 4 d. - FIGS.13(a), 13(b), 13(c) and 13(d) show the cases of constituting the
discharge unit 3 in parallel arrangements, being respectively the perspective view, vertical sectional view of the discharge unit on the printing unit side, vertical sectional view of the discharge unit side, and cross sectional view of the discharge unit. Inside thedischarge unit 3, on the back side of thepaper passage route 5, a horizontal conveyingdevice 25 is arranged. In case of discharging paper to thedischarge unit 3 arranged in parallel mode, the paper is conveyed from theprinting unit 2 to the inside of thedischarge unit 3 and to the horizontal conveyingdevice 25 by the distributing device 21 (FIG. 10(d)). Further, after being conveyed to thedischarge unit 3 arranged in parallel by the horizontal conveyingmeans 25, the paper is discharged to therespective discharge trays 4 through thepaper passage route 5. - FIGS.14(a) and 14(b) show the constitution examples of the discharge unit of the printer according to the eleventh embodiment, wherein FIG. 14(a) shows the front part of the main body of the
discharge unit 3 in notched condition. Thedischarge unit 3 has a cover to cover the lateral side of the tray along the direction of the paper discharge. This cover is formed such that the side provided with the notch of the tray is shorter than the other side. FIG. 14(b) shows the top side and front part of the main body of thedischarge unit 3 being notched. The arrow mark shows the taking out direction in paper discharge. By this constitution, the discharged paper is made easy to take out. - FIGS.15(a), 15(b) and 15(c) show the constitution examples of the discharge unit of the printer according to the twelfth embodiment, wherein there is provided an
extrusion bar 26 for extruding the discharge paper from the main body of thedischarge unit 3 to thepaper discharge port 19. The non-illustrated control unit compares the size of the discharged paper with the size of the containing tray, and drives the non-illustrated drive mechanism to move theextrusion bar 26 by a predetermined amount. By this extrusion, taking the discharged paper is facilitated. - FIGS.16(a), 16(b) and 16(c) show the constitution examples of the discharge unit of the printer according to the thirteenth embodiment, wherein there is shown a multi-tray which is easy for taking paper and is highly visible. The
multi-trays 4 a-4 e are capable of discharging and containing the paper individually respectively. Each of these trays is arranged in downward disposition, so that the lower tray is positioned forward in comparison with the upper tray. The paper which passed through thedischarge unit 3 is discharged and then aligned to the front end of the tray by own weight. Themulti-trays 4 a-4 e are each provided with a notch at the front end side, and the papers on each tray are arranged in the easily visible distance (size a). - FIGS.17(a), 17(b) and 17(c) show the installation examples of the printer according to the fourteenth embodiment, wherein FIG. 17(a) shows the condition of installation in which the paper passing direction is set to be vertical to the front of the
printer 100, FIG. 17(b) shows the condition of installation in which the paper passing direction is set to be horizontal to the front of theprinter 100, and FIG. 17(c) shows the condition in which theprinter 100 is suspended from thepartition wall 101 with a hangingdevice 102. - In the following paragraphs there is described an embodiment in a printer having a sorter in which the paper taking out is facilitated by distributing the discharge tray to be used according to the paper size.
- FIG. 18 shows a printer according to the fifteenth embodiment. A
printing unit 2 is arranged on the paper feed unit (large) 1A and the paper feed unit (small) 1B. At the top of them thesorter 30 is arranged. As in thepaper passing route 5 shown in the dotted line, the paper which is discharged from the paper feed unit is led through theprinting unit 2, conveyed to thesorter 30, and further automatically distributed to the discharge tray (small) 4B and the discharge tray (large) 4A to meet the paper size by thedistributor 31. - FIG. 19 shows the printer according to the sixteenth embodiment. The
printing unit 3 is arranged under the paper feed unit (large) 1A and paper feed unit (small) 1B, and thesorter 30 is arranged under theprinting unit 2. As in thepaper passing route 5 shown in the dotted line, the paper which is discharged from the paper feed unit is led through theprinting unit 2, conveyed to thesorter 30, and automatically distributed to the discharge tray (small) 4B and the discharge tray (large) 4A to meet the paper size by thedistributor 31. - FIG. 20 shows the printer according to the seventeenth embodiment. The
sorter 30 is arranged between thepaper feed units printing unit 2. As in thepaper passing route 5 shown in the dotted line, the paper which is discharged from the paper feed unit is led through theprinting unit 2, conveyed to thesorter 30, and automatically distributed to the discharge tray (small) 4B and the discharge tray (large) 4A to meet the paper size by thedistributor 31. - FIG. 21 shows the printer according to the eighteenth embodiment. The
sorter 30 is arranged on the side of thepaper feed units printing unit 2. As in thepaper passing route 5 shown in the dotted line, the paper which is discharged from the paper feed unit is led through theprinting unit 2, conveyed to thesorter 30, and automatically distributed to the discharge tray (small) 4B and the discharge tray (large) 4A to meet the paper size by thedistributor 31. - FIG. 22 shows a flow chart of the paper discharge control in the printer according to the fourteenth to seventeenth embodiments. The control unit (control device) provided on the printer checks whether the paper is fed from the paper feed unit (large)1 or not (#11), and if it is YES, it discharges paper to the discharge tray (large) 4A (#12), while if it is NO, it discharges paper to any of the discharge tray (small) 4B (#13).
- FIG. 23 shows the printer according to the nineteenth embodiment. In this embodiment, the discharge tray (large)4A is provided on the printing unit 2 (the first tray in the claim), and the discharge tray (small) 4B is provided on the
sorter 30 which is detachably attached to the upper part of the printing unit 2 (the second tray in the claim). The length of the discharge tray is: the discharge tray (large) 4A>the discharge tray (small) 4B. The paper which is discharged from the paper feed unit is led through theprinting unit 2, and automatically distributed to the discharge tray (small) 4B and the discharge tray (large) 4A to meet the paper size by thedistributor 31. FIG. 24 shows a flow chart of the paper discharge control in the printer of FIG. 23. The control unit checks whether there is asorter 30 or not (#10), and if NO, it discharges paper to the discharge tray (large) 4A (#14), while if it is YES, it examines whether it is the paper fed from the paper feed unit (large) or not (#11), and the subsequent steps are same as above. - FIG. 25 shows an example of constitution of the discharge tray of the printer according to the twentieth embodiment. The discharge tray has three stages of length. The length of the discharge tray is: the discharge tray (large)4A>discharge tray (medium) 4C>discharge tray (small) 4B. The paper which is discharged from the paper feed unit is led through the
printing unit 2, and automatically distributed to the discharge tray to meet the paper size by thedistributor 31. FIG. 26 shows a flow chart of the paper discharge control in the printer of FIG. 25. The control unit checks whether it is the paper fed from the paper feed unit (large) or not (#11), and if it is YES, it discharges paper to the discharge tray (large) 4A (#12), while if NO, it examines whether it is the paper fed from the paper feed unit (medium) or not (#15), and if it is YES, it discharges paper to the discharge tray (medium) 4C (#16), while if NO, it discharges paper to the discharge tray (small) 4B (#17). - FIG. 27 shows a constitution example of the discharge trays of the printer according to the twenty-first embodiment. The
discharge trays 4 have all different lengths. The lengths of the tray are the largest in the lowermost stage, the smaller to the upper stage, and the smallest in the uppermost stage. The paper which is discharged from the paper feed unit is led through theprinting unit 2, and automatically distributed to the discharge tray to meet the paper size by thedistributor 31. FIG. 28 shows a flow chart of the paper discharge control in the printer of FIG. 27. In this case, the sizes of the paper to be fed are classified into A3, B4, A4, B5, A5, postcard, and envelope. The discharge trays are marked with a, b, c, d, e, f in order from the lowermost stage to upward. - The present invention is not limited to the constitution of the above embodiments but may be subjected to various modifications within the scope not to change of purport of the invention.
Claims (20)
1. An image producing apparatus wherein a paper feed unit and a paper stack are arranged in a vertical direction, comprising:
an image producing unit which produces images on paper;
a vertical type paper feed unit which is located in a vertical direction to the image producing unit, and feeds the paper to the image producing unit, wherein the paper are contained in an upright position; and,
a paper stack which is located in a vertical direction of the image producing unit, and contains the paper discharged from the image producing unit.
2. An image producing apparatus as claimed in claim 1 , wherein the image producing unit is located above the paper feed unit, and the paper stack is located above the image producing unit.
3. An image producing apparatus as claimed in claim 1 , wherein the image producing unit produces images on the paper with conveying the paper upward and downward.
4. An image producing apparatus as claimed in claim 1 , wherein a depth dimension of the paper stack is deeper than that of the image producing unit.
5. An image producing apparatus as claimed in claim 1 , wherein a depth dimension of the paper stack is deeper than that of the paper feed unit.
6. An image producing apparatus as claimed in claim 1 , wherein the paper stack comprising:
a first unit which has a first tray for containing the paper, and a paper conveying unit for receiving the paper discharged from the image producing unit, and conveying the paper to said first tray, or conveying the paper upward and downward; and,
a second unit which has a second tray for containing the paper, and a paper conveying unit for receiving the paper discharged from the first unit, and conveying the paper to said second tray, wherein said second unit is detachably disposed above said first unit.
7. An image producing apparatus as claimed in claim 6 ,
wherein the second unit further comprises another paper conveying unit for vertically discharging the paper received from the first unit, and the paper stack further comprises a third unit which has a third tray for containing the paper, and a paper conveying unit for receiving the paper discharged from the second unit, and conveying the paper to said third tray, and,
wherein said third unit is detachably disposed above said second unit.
8. An image producing apparatus as claimed in claim 1 , wherein the paper stack has a plurality of trays for containing the paper to be discharged, and corners of said trays have notches into which corners of the contained paper are projected.
9. An image producing apparatus as claimed in claim 8 , wherein the paper stack has a cover which covers side surfaces of the trays along with the paper conveying direction, wherein said cover is structured such that a side for covering the notched parts of the trays is shorter than the other sides.
10. An image producing apparatus as claimed in claim 9 . wherein the cover is furnished with notches for opening out the upper surfaces of the trays.
11. An image producing apparatus as claimed in claim 8 , wherein the paper stack has a device for thrusting a paper which is loaded on the tray.
12. An image producing apparatus as claimed in claim 1 , wherein the paper stack comprises box-shaped paper feed trays which have an opening at tops thereof.
13. An image producing apparatus as claimed in claim 12 , wherein the paper stack has covers which cover the paper feed trays, and wherein said covers are openable toward a front.
14. An image producing apparatus as claimed in claim 12 , wherein the paper feed trays are rotatable toward a front pivoting around bottoms thereof.
15. A method for arranging a paper feed unit and a paper stack in a vertical direction in an image producing apparatus, comprising following steps:
a step for arranging a vertical type paper feed unit in a vertical direction to the image producing unit, which feeds the paper to the image producing unit, and contains paper in an upright position; and,
a step for arranging a paper stack in a vertical direction of the image producing unit, which contains the paper discharged from the image producing unit.
16. An image producing apparatus wherein a paper feed unit and paper stack are arranged in a vertical direction, comprising:
an image producing unit which produces an image on paper fed from the paper feed unit;
a paper stack which consists of a plurality of trays arranged in upward and downward direction, a paper conveying path in which the paper discharged from the image producing unit, are conveyed to each of the trays, and a paper conveying device which conveys the paper discharged from the image producing unit; and,
a control device which specifies one of said plurality of trays in response to a paper size, and controls the paper conveying device so as to convey the paper into the specified tray.
17. An image producing apparatus as claimed in claim 16 , wherein the control device executes a control such that the paper conveying device conveys the larger-sized paper into a lower tray.
18. An image producing apparatus wherein a paper feed unit and a paper stack are arranged in a vertical direction, comprising:
an image producing unit which produces images on paper fed from the paper feed unit;
a first tray which is arranged in the image producing unit, and contains the paper on which the image is produced; and,
a paper stack which is detachably connected with the image producing unit, and has a second tray for containing the paper discharged from the image producing unit.
19. An image producing apparatus as claimed in claim 18 , wherein the first tray is larger than the second tray.
20. An image producing apparatus as claimed in claim 18 , further comprising:
a paper conveying device which is arranged in the image producing unit, and conveys the paper on which the image is produced, selectively to either one of the first tray and the second tray which are included in the paper stack; and,
a control device which executes a control such that the paper stack conveys a largest-sized paper into the first tray and another into the second tray when the paper stack is attached, and conveys all of the papers into the first tray when the paper containing tray is detached.
Priority Applications (2)
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US09/049,019 US6371476B2 (en) | 1998-03-27 | 1998-03-27 | Image producing apparatus wherein a paper feed unit and a paper stack are arranged in a vertical direction |
JP10272962A JPH11278742A (en) | 1998-03-27 | 1998-09-28 | Image forming device provided with paper sheet feeding unit and paper sheet housing unit arranged in vertical direction |
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US09/049,019 US6371476B2 (en) | 1998-03-27 | 1998-03-27 | Image producing apparatus wherein a paper feed unit and a paper stack are arranged in a vertical direction |
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US20020000689A1 true US20020000689A1 (en) | 2002-01-03 |
US6371476B2 US6371476B2 (en) | 2002-04-16 |
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US09/049,019 Expired - Lifetime US6371476B2 (en) | 1998-03-27 | 1998-03-27 | Image producing apparatus wherein a paper feed unit and a paper stack are arranged in a vertical direction |
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Cited By (9)
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JPH11278742A (en) | 1999-10-12 |
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