ClassID:

81283

B65H2513/50 - CPC Classification

Classification description:

Dynamic entities; Timing aspects Timing

Sub-classes:
Recent Application in this class:
#1
20250361105
2025-11-27

MEDIUM CONVEYANCE DEVICE, CONTROL METHOD, AND CONTROL PROGRAM

#2
20250326596
2025-10-23

MEDIUM FEED APPARATUS TO PUT SEPARATION ROLLER ON HOLD UNTIL FRONT END OF MEDIUM PASSES SEPARATION PART

#3
20250296801
2025-09-25

MEDIUM PROCESSING APPARATUS AND IMAGE FORMING SYSTEM

#4
20250296793
2025-09-25

SHEET FEEDING DEVICE AND PRINTING SYSTEM

#5
20250044731
2025-02-06

IMAGE FORMING APPARATUS

#6
20250002287
2025-01-02

SHEET POST-PROCESSING APPARATUS AND IMAGE FORMING SYSTEM INCLUDING THE APPARATUS

#7
20240383707
2024-11-21

PAPER TRANSPORT APPARATUS FOR TRANSPORTING PAPER AND IMAGE FORMING APPARATUS INCLUDING THE SAME

#8
20240375906
2024-11-14

PRINTING APPARATUS, CONTROL METHOD, AND STORAGE MEDIUM

#9
20240174467
2024-05-30

SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE SHEET FEEDING DEVICE

#10
20240092604
2024-03-21

MEDIUM CONVEYANCE DEVICE, CONTROL METHOD, AND CONTROL PROGRAM

#11
20240067471
2024-02-29

MEDIUM FEED APPARATUS TO PUT SEPARATION ROLLER ON HOLD UNTIL FRONT END OF MEDIUM PASSES SEPARATION PART

#12
20240017557
2024-01-18

PAGE PICKING WITH PRINT DATA

#13
20230416032
2023-12-28

IMAGE FORMING APPARATUS

#14
20230391568
2023-12-07

Sheet feeder, automatic sheet feeder, image reader, and image forming apparatus

#15
20230312301
2023-10-05

PRINTING APPARATUS AND CONTROL METHOD

#16
20230312288
2023-10-05

MEDIUM TRANSPORT DEVICE AND IMAGE FORMING APPARATUS

#17
20230312287
2023-10-05

Medium feeding device

#18
20230312275
2023-10-05

PRINTING APPARATUS

#19
20230183032
2023-06-15

POST-PROCESSING DEVICE

#20
20230120649
2023-04-20

Sheet material detecting device, sheet material feeding device and image forming apparatus

#21
20230113981
2023-04-13

Recording medium processing apparatus and image forming system

#22
20230105752
2023-04-06

SHEET CONVEYANCE APPARATUS AND IMAGE FORMING APPARATUS

#23
20230061439
2023-03-02

MOTOR CONTROLLING SYSTEM FOR APPLICATION IN APPARATUS HAVING ROLL-TO-ROLL MECHANISM

#24
20220340383
2022-10-27

Printing apparatus and conveyance control method

#25
20220234854
2022-07-28

Conveyance control device and conveyance control method

#26
20220234373
2022-07-28

Inkjet recording apparatus

#27
20220169477
2022-06-02

Printing apparatus

#28
20220063943
2022-03-03

Sheet feeding device and image forming apparatus

#29
20220055851
2022-02-24

Sheet conveying device, image forming apparatus, and sheet presence or absence determination method

#30
20210371224
2021-12-02

Printing apparatus, control method therefor and storage medium

#31
20210339972
2021-11-04

Sheet conveying device and sheet conveying method

#32
20210300714
2021-09-30

Timing specifying device, image forming apparatus, motor drive device, and timing-signal output method

#33
20200317457
2020-10-08

Printing apparatus and conveyance control method

#34
20200307932
2020-10-01

Sheet conveying device and sheet conveying method

#35
20200147981
2020-05-14

Printing apparatus and control method

#36
20200122943
2020-04-23

Sheet conveyance apparatus and image forming apparatus

#37
20200102172
2020-04-02

Printing apparatus, control method therefor and storage medium

#38
20200079608
2020-03-12

Multi-sheet handling for document digitization

#39
20200026232
2020-01-23

Image forming apparatus

#40
20200002114
2020-01-02

Sheet feeding device and image forming system incorporating the sheet feeding device

#41
20190233234
2019-08-01

Image forming apparatus and feeding apparatus

#42
20190218048
2019-07-18

Sheet feeding apparatus and image forming apparatus

#43
20190202648
2019-07-04

Detecting device and image forming apparatus incorporating the detecting device

#44
20190193966
2019-06-27

Friction feeding separating system

#45
20190161300
2019-05-30

Image forming apparatus for forming image on sheet

#46
20190127165
2019-05-02

Image reading apparatus having rail member to retain guide member to be slidable

#47
20190119058
2019-04-25

Sheet feeding apparatus and image forming apparatus

#48
20190062085
2019-02-28

Sheet feeder

#49
20190055098
2019-02-21

Sheet feeding device and image forming device

#50
20190031460
2019-01-31

Paper supply apparatus

#51
20190010004
2019-01-10

Sheet conveying apparatus and image forming apparatus

#52
20190002224
2019-01-03

Feeding apparatus and method for the same

#53
20180334348
2018-11-22

Sheet conveyance device capable of detecting shape of sheet, image forming apparatus, sheet shape detecting method

#54
20180334345
2018-11-22

Sheet conveyance device capable of detecting shape of sheet, image forming apparatus, sheet shape detecting method

#55
20180305156
2018-10-25

Image forming apparatus, method for controlling image forming apparatus, and non-transitory computer readable medium

#56
20180305154
2018-10-25

Image forming apparatus

#57
20180278775
2018-09-27

Medium processing device

#58
20180275584
2018-09-27

Image forming apparatus and feeding apparatus

#59
20180273327
2018-09-27

Sheet conveyor and image forming apparatus

#60
20180267451
2018-09-20

Feeding apparatus

#61
20180141766
2018-05-24

Sheet feeder, reading apparatus and image forming apparatus that reduce vibration sound in association with idling of supply roller

#62
20180126725
2018-05-10

DEVICE FOR CODING PRINTING SHEETS IN A SHEET-FED PRESS

#63
20180118491
2018-05-03

Adjusting print medium retrieval

#64
20180118479
2018-05-03

Sheet feeding unit, sheet feeding apparatus including sheet feeding unit, and image forming apparatus including sheet feeding apparatus

#65
20180081316
2018-03-22

Image-forming apparatus the performs printing on printing paper

#66
20180015774
2018-01-18

Method and apparatus for forming advertising media compilations

#67
20170320688
2017-11-09

Sheet conveying apparatus that feeds sheet members, and document reading apparatus and image forming apparatus that include the sheet conveying apparatus

#68
20170315494
2017-11-02

Image forming apparatus

#69
20170315491
2017-11-02

Image forming apparatus and feeding apparatus

#70
20170313538
2017-11-02

Sheet alignment device and image forming apparatus

#71
20170291782
2017-10-12

Sheet conveying apparatus and image forming apparatus

#72
20170240377
2017-08-24

Sheet processing apparatus and image forming system

#73
20170158446
2017-06-08

Image forming apparatus

#74
20170129726
2017-05-11

Printing apparatus, control method therefor and storage medium

#75
20160368724
2016-12-22

Transport device provided with mechanism for deriving thickness of recording medium to be transported, and image forming apparatus provided with same

#76
20160355355
2016-12-08

Sheet feeding device and image forming apparatus

#77
20160347561
2016-12-01

Conveying apparatus and printing apparatus

#78
20160297635
2016-10-13

Paper conveying apparatus, jam detection method, and computer program

#79
20160289028
2016-10-06

Sheet feeder provided with controller for controlling operations of feed roller

#80
20160264370
2016-09-15

Paper sheet conveyance device and image forming apparatus

#81
20160185542
2016-06-30

Printer

#82
20160167905
2016-06-16

Sheet feeder

#83
20150353307
2015-12-10

Printing apparatus, control method therefor, and storage medium

#84
20150353306
2015-12-10

Printing apparatus, control method therefor, and storage medium

#85
20150329304
2015-11-19

Sheet feed device, image forming apparatus, and method for controlling sheet feed device

#86
20150307302
2015-10-29

Image forming apparatus

#87
20150286181
2015-10-08

Sheet feeding apparatus and image forming apparatus

#88
20150274466
2015-10-01

Sheet conveyance apparatus and image forming apparatus

#89
20150268611
2015-09-24

Image forming apparatus

#90
20150266061
2015-09-24

Postal matter ejection apparatus with gap setting unit according to postal matter thickness

#91
20150251865
2015-09-10

Printing apparatus, control method therefor and storage medium

#92
20150239695
2015-08-27

Sheet feeding apparatus and image forming apparatus

#93
20150229845
2015-08-13

Method for monitoring a post print processing machine

#94
20150158685
2015-06-11

Feed apparatus and image recording apparatus

#95
20150115521
2015-04-30

Image forming apparatus

#96
20150076763
2015-03-19

Paper conveying device, image forming apparatus provided with the device and paper conveying method

#97
20150048566
2015-02-19

Sheet material conveying device, image scanning device, and image forming apparatus

#98
20150035218
2015-02-05

Recording medium discharging apparatus and computer-readable medium storing recording medium discharging program

#99
20150014920
2015-01-15

Supplement feeder for flat objects

#100
20150005925
2015-01-01

Conveyance control apparatus

#101
20140374981
2014-12-25

Printer with presenter unit for paper discharge and recovery

#102
20140348563
2014-11-27

Sheet conveying apparatus, image forming apparatus, sheet conveying distance calculation apparatus and sheet length calculation apparatus

#103
20140210155
2014-07-31

Conveyor device and image forming apparatus

#104
20140210153
2014-07-31

Printing machine

#105
20140191468
2014-07-10

Sheet conveyance device, and image forming apparatus having the same

#106
20140175731
2014-06-26

Sheet conveyance apparatus and image forming apparatus

#107
20140167351
2014-06-19

Conveyer apparatus

#108
20140133894
2014-05-15

Sheet conveying device and image forming apparatus having same

#109
20140091514
2014-04-03

Sheet discharge device, method for detecting sheet-loading, computer readable medium storing sheet loading-detection program, and image forming apparatus including sheet discharge device

#110
20140077451
2014-03-20

Image forming apparatus and control method for controlling sheets fed from a detachable sheet feeding unit using detected sheet intervals

#111
20140077438
2014-03-20

Printing apparatus and control method for printing apparatus

#112
20140044501
2014-02-13

Thread sewing machine

#113
20140042694
2014-02-13

Relay apparatus and image forming system

#114
20140042686
2014-02-13

Relay apparatus and image forming system

#115
20140015189
2014-01-16

Image forming system and sheet transport apparatus and method

#116
20130285314
2013-10-31

Sheet stacking apparatus, sheet processing apparatus and image forming apparatus

#117
20130264764
2013-10-10

Apparatus and method for controlling the transportation and the handling of sheet-like products

#118
20130221601
2013-08-29

Sheet ejection apparatus with gap setting unit according to sheet thickness

#119
20130214475
2013-08-22

Sheet processing apparatus with two image forming devices

#120
20130206808
2013-08-15

Method for register correction in a web processing machine having a delay section

#121
20130195482
2013-08-01

Sheet conveying apparatus, image forming apparatus, sheet conveying distance calculation apparatus and sheet length calculation apparatus

#122
20130187329
2013-07-25

Image forming apparatus with setting unit for setting current values for motor

#123
20130156479
2013-06-20

Device for switching transport direction of recording material, and image forming apparatus

#124
20130154177
2013-06-20

Method for controlling a feeder of a gathering-stitching machine

#125
20130099441
2013-04-25

Recording paper conveying device, document feeding device and image forming apparatus including these devices

#126
20130094888
2013-04-18

Recording material conveyance apparatus and image forming apparatus

#127
20130049280
2013-02-28

Sheet processing apparatus and sheet conveying method

#128
20130049279
2013-02-28

Post-processing device and paper processing apparatus

#129
20130042734
2013-02-21

Method for regulating the speed of a cutting device

#130
20130032990
2013-02-07

Image forming system and sheet conveyance method

#131
20130026696
2013-01-31

Sheet feeding apparatus and image forming apparatus

#132
20130020752
2013-01-24

Method and system to feed inserts with a rotary and gripper system

#133
20130008294
2013-01-10

SHEET PROCESSING APPARATUS AND SHEET CONVEYING METHOD

#134
20120314267
2012-12-13

Sheet conveyance device, and image forming apparatus and image reading device including same

#135
20120305621
2012-12-06

CONVEYANCE DEVICE, PRINTING DEVICE, AND CONVEYANCE METHOD

#136
20120274016
2012-11-01

Image forming apparatus and sheet supply apparatus having plurality of sheet supply units

#137
20120252649
2012-10-04

Sheet processing apparatus that flattens folded spine of sheet bundle and image forming apparatus including the sheet processing apparatus

#138
20120251211
2012-10-04

Recording-material transport apparatus and recording-material transport method

#139
20120243015
2012-09-27

Image forming apparatus

#140
20120242031
2012-09-27

Paper-sheet handling apparatus and paper-sheet handling method

#141
20120235352
2012-09-20

Sheet stacking apparatus with skew value sensor for sheet stack designation

#142
20120211934
2012-08-23

Sheet post-processing device

#143
20120205864
2012-08-16

Media path re-phasing

#144
20120193861
2012-08-02

Sheet feeding device and image forming apparatus incorporating same

#145
20120181741
2012-07-19

Sheet detecting apparatus and image forming apparatus

#146
20120175835
2012-07-12

Image forming system

#147
20120170960
2012-07-05

Sheet feeder and image forming apparatus incorporating same

#148
20120133719
2012-05-31

Printing apparatus

#149
20120119436
2012-05-17

Sheet conveyance device, and image forming apparatus and image reading unit including same

#150
20120104692
2012-05-03

Document feeding device that performs an initial operation, image forming apparatus including the same, and method of controlling a document feeding device that performs an initial operation

#151
20120090071
2012-04-19

Method for controlling conveyance speed of sheet, method for manufacturing wearing article, apparatus for manufacturing wearing article, and wearing article

#152
20120061903
2012-03-15

Sheet feeding device and image forming apparatus incorporating same

#153
20120049437
2012-03-01

Sheet feeding apparatus and image forming apparatus

#154
20120025448
2012-02-02

Paper sheet pickup device

#155
20120018947
2012-01-26

IMAGE FORMING APPARATUS

#156
20120014731
2012-01-19

Image forming apparatus

#157
20110319244
2011-12-29

Paper folding device for three-folding sheet of paper

#158
20110262152
2011-10-27

METHOD AND APPARATUS OF SHEET CONVEYANCE (SHEET CONVEYANCE CONTROL WITH MEDIA SENSOR) AND IMAGE FORMING APPARATUS

#159
20110249052
2011-10-13

Image forming apparatus

#160
20110248439
2011-10-13

Image scanning device and document transporting method

#161
20110241289
2011-10-06

Medium conveyance apparatus which adopts distributed control system

#162
20110233855
2011-09-29

Document handling apparatus

#163
20110180988
2011-07-28

IMAGE FORMING APPARATUS, SHEET CONVEYING METHOD, AND PROGRAM FOR SHEET CONVEYANCE

#164
20110175276
2011-07-21

Image forming apparatus and sheet supply apparatus having plurality of sheet supply units

#165
20110169214
2011-07-14

Apparatus for conveying sheet

#166
20110133397
2011-06-09

Sheet feeding apparatus and image forming apparatus

#167
20110127711
2011-06-02

Sheet feeding device and image forming apparatus incorporating same

#168
20110121506
2011-05-26

Sheet feeding device and image forming apparatus incorporating same

#169
20110101600
2011-05-05

Sheet feeding device

#170
20110091261
2011-04-21

Transported material transporting device and image processing apparatus

#171
20110091257
2011-04-21

SHEET SUPERPOSING DEVICE AND IMAGE FORMING SYSTEM

#172
20110084438
2011-04-14

Adaptive scheduler that corrects for paper process directional arrival errors to print engine registration subsystem

#173
20110049797
2011-03-03

Sheet stacking apparatus

#174
20110049783
2011-03-03

Sheet feeding device and imaging apparatus employing sheet feeding device

#175
20110018189
2011-01-27

Inserter apparatus, printer, print system and insert method

#176
20110006476
2011-01-13

Sheet post-processing apparatus and image formation system provided with the apparatus

#177
20110004337
2011-01-06

Paper sheet handling apparatus

#178
20100289210
2010-11-18

Image forming apparatus

#179
20100276878
2010-11-04

Method and apparatus for processing print products

#180
20100270730
2010-10-28

Paper sheet pickup device

#181
20100258997
2010-10-14

Sheet processing apparatus and sheet processing method

#182
20100244353
2010-09-30

PAPER FEEDER AND IMAGE FORMING APPARATUS

#183
20100239343
2010-09-23

Image forming device and image forming method which prevents misalignment between front end of formed image and front end of sheet

#184
20100237557
2010-09-23

Printing machine and feeding method for printing machines

#185
20100225045
2010-09-09

Document feeding device, image forming apparatus including same, and control method for the document feeding device

#186
20100207314
2010-08-19

Sheet processing system, sheet-supply control method, and computer program product

#187
20100156029
2010-06-24

Image forming apparatus and paper feeding method thereof

#188
20100148423
2010-06-17

Original-feeding device

#189
20100148416
2010-06-17

Sheet placement unit, post-processing apparatus and image forming system

#190
20100133737
2010-06-03

Storing and issuing device for banknotes or other flexible documents

#191
20100117289
2010-05-13

Image forming system

#192
20100061783
2010-03-11

SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS

#193
20100052237
2010-03-04

Document handling apparatus

#194
20100044957
2010-02-25

Medium path converting unit, image forming apparatus including the same and control method thereof

#195
20100040451
2010-02-18

INTERMEDIATE STORAGE DEVICE AND STACKING UNIT WITH INTERMEDIATE STORAGE DEVICE

#196
20100025928
2010-02-04

Medium discharging device and image forming apparatus

#197
20100019442
2010-01-28

Sheet processing apparatus, sheet processing method, and image forming apparatus

#198
20100002037
2010-01-07

Printing apparatus and printing method

#199
20090309291
2009-12-17

Image forming apparatus

#200
20090302532
2009-12-10

Conveyance apparatus, control method therefor, and printing apparatus

#201
20090295915
2009-12-03

Sheet behavior monitor for sheet processor

#202
20090289411
2009-11-26

APPARATUS FOR STACKING SHEET-LIKE PRODUCTS, IN PARTICULAR PRINTED PRODUCTS

#203
20090230613
2009-09-17

Sheet aligning device, sheet processing device, and image forming apparatus

#204
20090224458
2009-09-10

Image forming apparatus, sheet conveying method, and program for sheet conveyance

#205
20090219552
2009-09-03

Apparatus for carrying a printing medium, printer that has the apparatus, method for carrying a printing medium and printer

#206
20090212487
2009-08-27

Sheet processing apparatus and image forming apparatus

#207
20090200726
2009-08-13

Finisher, sheet discharging method and image forming apparatus

#208
20090195791
2009-08-06

METHOD AND A SYSTEM FOR THE AUTOMATIC REGULATION OF PRODUCTION LINES AND CORRESPONDING COMPUTER PROGRAM PRODUCT THEREFOR

#209
20090184454
2009-07-23

Pressdown cam for post processing device

#210
20090178961
2009-07-16

PAPER SHEET CONVEYING APPARATUS AND PAPER SHEET SORTING APPARATUS

#211
20090166965
2009-07-02

Method of feeding medium in recording apparatus, and recording apparatus

#212
20090160126
2009-06-25

Printing apparatus and printing medium feeding method

#213
20090127776
2009-05-21

Image forming apparatus

#214
20090127775
2009-05-21

IMAGE FORMING SYSTEM

#215
20090102908
2009-04-23

Conveying apparatus, liquid applying apparatus, and image forming apparatus

#216
20090096154
2009-04-16

Sheet feed device and image forming apparatus

#217
20090066008
2009-03-12

Feeding method, feeding device, and image forming system

#218
20090066005
2009-03-12

Methods for Determining Widths Of Media Sheets Within An Image Forming Apparatus

#219
20090065997
2009-03-12

Image forming apparatus

#220
20090060617
2009-03-05

Image forming system, image forming device, and post-processing device

#221
20090033027
2009-02-05

Drive control method and apparatus for sheet processing machine

#222
20090026689
2009-01-29

Sheet conveying device, and image forming apparatus including same

#223
20080292334
2008-11-27

Image forming apparatus and control method for controlling sheets fed from a detachable sheet feeding unit using detected sheet intervals

#224
20080258380
2008-10-23

Sheet feeder

#225
20080253820
2008-10-16

Hold flap for sheet postprocessing apparatus

#226
20080232880
2008-09-25

Image forming apparatus and sheet conveying device having upstream and downstream rollers

#227
20080230984
2008-09-25

SHEET MATERIAL STACKING APPARATUS AND METHOD OF STACKING SHEET MATERIAL

#228
20080230976
2008-09-25

Inserter apparatus, printer, print system and insert method

#229
20080211173
2008-09-04

Sheet conveying device and image forming apparatus

#230
20080208370
2008-08-28

System and method for gap length measurement and control

#231
20080197142
2008-08-21

Apparatus and method for dispensing and folding of sheets from a stack

#232
20080191413
2008-08-14

Paper transport path of image forming apparatus

#233
20080191404
2008-08-14

Sheet delivery/guide apparatus

#234
20080185771
2008-08-07

Multi-function low profile print interface for a sheet handling device

#235
20080185770
2008-08-07

Print interface system for a sheet handling device

#236
20080179824
2008-07-31

MEDIUM TRANSPORTING APPARATUS AND METHOD

#237
20080173665
2008-07-24

APPARATUS FOR DISPENSING FRAGRANCE SAMPLES, PRINTED CARDS, AND COUPONS

#238
20080169602
2008-07-17

Sheet conveying device

#239
20080128241
2008-06-05

Document stacker with fault detection

#240
20080048392
2008-02-28

Image forming apparatus, sheet-conveyance control method, and sheet-conveyance control program

#241
20080048382
2008-02-28

Conveyance apparatus, control method therefor, and printing apparatus

#242
20080006994
2008-01-10

Conveyance control device, recording apparatus including the same, and convenyance control method

#243
20080006982
2008-01-10

Conveying device, method of controlling the conveying device, and recording device using the conveying device

#244
20080001340
2008-01-03

Image forming apparatus

#245
20070228648
2007-10-04

Image forming apparatus and control method for the same

#246
20070194521
2007-08-23

Sheet processing apparatus and sheet processing method

#247
20070176355
2007-08-02

Overlap detection apparatus and overlap detection method

#248
20070145677
2007-06-28

Method and system for controlling a staging transport in a mail processing machine

#249
20070126166
2007-06-07

Inserter with closure device

#250
20070063427
2007-03-22

Image forming apparatus

#251
20070063415
2007-03-22

Method and device for correcting pick timing in an image forming device

#252
20070057446
2007-03-15

Image forming apparatus

#253
20070052155
2007-03-08

Media timing based on stack height for use within an image forming device

#254
20070040328
2007-02-22

Sheet post-processing device, sheet post-processing system including the same, and image forming system including the same

#255
20070040325
2007-02-22

Sheet handling apparatus

#256
20070007717
2007-01-11

Image forming apparatus

#257
20060263130
2006-11-23

Image forming apparatus including discharging roller decelerating unit and method of decelerating discharging roller

#258
20060202409
2006-09-14

Image forming apparatus including timing determination unit, and corresponding sheet feeding method

#259
20060156876
2006-07-20

Motion control system and method for a high speed inserter input

#260
20060113165
2006-06-01

Method and apparatus for processing printed articles

#261
20060098072
2006-05-11

Medium supplying apparatus, method for driving medium supplying apparatus, computer readable medium including drive-control program and recording device

#262
20060071423
2006-04-06

Sheet processing apparatus with branching paths for post-processing

#263
20060071416
2006-04-06

Motor control apparatus with controlled input current

#264
20060071415
2006-04-06

Paper feeding control method for automatic document feeder

#265
20050183926
2005-08-25

Document stacker with fault detection

#266
20050159287
2005-07-21

Paper post-processing apparatus and image recording apparatus

#267
20050140077
2005-06-30

Post-processing device and post-processing method

#268
20050133988
2005-06-23

Sheet deskew system and method

#269
20050082745
2005-04-21

Inline stacker with non-interrupt gap generator and integrated drive control and jam response

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2005-03-31

Precision paper registration using a stepper motor without employing micro-stepping techniques

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2005-03-31

Sheet transporting device, sheet transporting method, and image recording device having the sheet transporting device

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2005-01-27

Sheet conveying device