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ClassID:

178497 ⎘

G03G2221/1853 - CPC Classification

Classification description:

Processes not provided for by group , e.g. cleaning or residual charge elimination; Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts; Cartridge systems; Process cartridge having a submodular arrangement

Sub-classes:
Recent Application in this class:
#1
20260010114
2026-01-08

DEVELOPING CARTRIDGE

 #2
20250298329
2025-09-25

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #3
20250291310
2025-09-18

IMAGE FORMING APPARATUS

 #4
20250291309
2025-09-18

IMAGE FORMING APPARATUS

 #5
20250013193
2025-01-09

IMAGE FORMING DEVICE

 #6
20250004418
2025-01-02

PHOTOSENSITIVE MEMBER UNIT AND DEVELOPMENT UNIT

 #7
20240241475
2024-07-18

PROCESS CARTRIDGE

 #8
20240210874
2024-06-27

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

 #9
20240061362
2024-02-22

PROCESS CARTRIDGE AND DEVELOPING CARTRIDGE

 #10
20230418218
2023-12-28

Photosensitive member unit and development unit

 #11
20230229109
2023-07-20

Image forming device

 #12
20230095168
2023-03-30

Process cartridge and image forming apparatus

 #13
20230023224
2023-01-26

Photosensitive member unit and development unit

 #14
20230013196
2023-01-19

Cartridge and developing cartridge including a frame and sheet member provided at end side of the frame

 #15
20220373965
2022-11-24

Image forming device

 #16
20220334532
2022-10-20

Image forming apparatus with cover and restrictor to protect connection terminal

 #17
20220057745
2022-02-24

Image forming device

 #18
20210405582
2021-12-30

Image forming apparatus including developing device which has developing casing movable relative to photosensitive drum, and toner cartridge which supplies toner to developing device

 #19
20210364983
2021-11-25

Cartridge having toner removing sheet in contact with photosensitive drum

 #20
20210364982
2021-11-25

Photosensitive member unit and development unit

 #21
20210333750
2021-10-28

Process cartridge and image forming apparatus

 #22
20210063958
2021-03-04

Image forming device

 #23
20200401078
2020-12-24

Process cartridge and image forming apparatus

 #24
20200341429
2020-10-29

Photosensitive member unit and development unit

 #25
20200209804
2020-07-02

Cartridge with a sheet to remove matter from a surface of a photosensitive drum

 #26
20190354065
2019-11-21

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

 #27
20190339643
2019-11-07

Process cartridge and image forming apparatus

 #28
20190317448
2019-10-17

Photosensitive member unit and development unit

 #29
20190302685
2019-10-03

Image forming apparatus

 #30
20190227481
2019-07-25

Process cartridge and image forming apparatus

 #31
20190101862
2019-04-04

Image unit having positional control features for use in an electrophotographic image forming device

 #32
20180364639
2018-12-20

Imaging unit having positional control features for use in an electrophotographic image forming device

 #33
20180329345
2018-11-15

Automatic latching of a toner cartridge to an imaging unit of an electrophotographic image forming device in response to detection of an error condition

 #34
20180299823
2018-10-18

Photosensitive member unit and development unit

 #35
20180246465
2018-08-30

Process cartridge and image forming apparatus

 #36
20180120763
2018-05-03

Image forming apparatus

 #37
20180088525
2018-03-29

Image forming apparatus and cartridge

 #38
20170248907
2017-08-31

Drum unit

 #39
20170199482
2017-07-13

Electrophotographic image forming apparatus

 #40
20170075299
2017-03-16

Process cartridge and image forming apparatus

 #41
20170045858
2017-02-16

Image forming apparatus

 #42
20160161910
2016-06-09

Image forming apparatus

 #43
20160070197
2016-03-10

Image forming apparatus with developing device having ribs

 #44
20150362891
2015-12-17

Process cartridge and image forming apparatus

 #45
20150277365
2015-10-01

Image forming apparatus having cartridge

 #46
20150277360
2015-10-01

Photosensitive cartridge having light guide

 #47
20150277359
2015-10-01

Image forming apparatus provided with light guide and light source

 #48
20150261173
2015-09-17

Image forming apparatus

 #49
20150205256
2015-07-23

Photosensitive cartridge and image forming apparatus

 #50
20150139691
2015-05-21

Image forming system including a plurality of types of developing cartridges and a plurality of types of image carrier cartridges

 #51
20150023692
2015-01-22

Process cartridge

 #52
20150003867
2015-01-01

Image forming unit and image forming apparatus that incorporates the image forming unit

 #53
20140112684
2014-04-24

Image forming apparatus

 #54
20120281999
2012-11-08

Process cartridge and image forming apparatus

 #55
20120230726
2012-09-13

Process cartridge and image forming apparatus

 #56
20120207512
2012-08-16

Process cartridge having a drum cartridge and a developing cartridge configured to be movably attached to the drum cartridge

 #57
20120189344
2012-07-26

Process cartridge and image forming apparatus

 #58
20120189343
2012-07-26

Process cartridge and image forming apparatus

 #59
20120128388
2012-05-24

Process cartridge and image forming apparatus

 #60
20120063810
2012-03-15

Process cartridge and image forming apparatus

 #61
20120003003
2012-01-05

Process cartridge, developer supply cartridge and electrophotographic image forming apparatus

 #62
20110206410
2011-08-25

Process cartridge and developing cartridge

 #63
20110188888
2011-08-04

Photosensitive member cartridge

 #64
20110123224
2011-05-26

Process cartridge and image forming apparatus

 #65
20110008074
2011-01-13

Process cartridge, developer supply cartridge and electrophotographic image forming apparatus

 #66
20110002709
2011-01-06

Cartridge with urging members

 #67
20100296837
2010-11-25

Image forming device and detachably loaded process unit

 #68
20100296836
2010-11-25

Photosensitive member cartridge

 #69
20100158576
2010-06-24

Developing unit and image forming apparatus having the same

 #70
20090245862
2009-10-01

Process cartridge, developer supply cartridge and electrophotographic image forming apparatus

 #71
20090214227
2009-08-27

Developing cartridge, image forming apparatus having the same, and printing method for an image forming apparatus

 #72
20090175652
2009-07-09

Image forming apparatus and process cartridge

 #73
20090175651
2009-07-09

Image forming apparatus and photosensitive cartridge

 #74
20090092413
2009-04-09

Photosensitive member cartridge

 #75
20090010693
2009-01-08

Image forming apparatus and process cartridge having a charging unit

 #76
20080310881
2008-12-18

Process unit, image formation apparatus, and developing cartridge

 #77
20080247776
2008-10-09

Image forming device and detachably loaded process unit

 #78
20080205931
2008-08-28

Image forming apparatus including unit for determining type of developer cartridge

 #79
20080181659
2008-07-31

Developing cartridge and image forming apparatus including the same

 #80
20080145096
2008-06-19

Two-Part Process Cartridege And Its Assembly/Disassembly

 #81
20080138115
2008-06-12

Process cartridge having couplers transmitting driving forces from an image forming apparatus to electrophotographic photosensitive drum and developing roller and such an apparatus

 #82
20080124122
2008-05-29

Resiliently Biased Developing Cartridge

 #83
20080080892
2008-04-03

Process cartridge and image forming apparatus

 #84
20080008497
2008-01-10

Replaceable process cartridge and image forming apparatus using the same

 #85
20070280733
2007-12-06

Photosensitive unit and developer cartridge

 #86
20070264045
2007-11-15

Photosensitive member cartridge

 #87
20070237544
2007-10-11

Process cartridge, developer supply cartridge and electrophotographic image forming apparatus

 #88
20070223970
2007-09-27

Process cartridge, developer supply cartridge and electrophotographic image forming apparatus

 #89
20070166070
2007-07-19

Developer cartridge and image forming apparatus

 #90
20070154235
2007-07-05

Image carrier toner unit and image forming apparatus

 #91
20070147879
2007-06-28

Cartridge having a molded resin complex

 #92
20070146826
2007-06-28

Image forming apparatus, image forming unit, replacement method for image forming unit, and manufacturing method for image forming unit

 #93
20070098439
2007-05-03

Image forming device

 #94
20070098438
2007-05-03

Process cartridge and image forming apparatus

 #95
20070071483
2007-03-29

Providing electrical potential to a rotatable developer carrier in an image forming apparatus

 #96
20070058993
2007-03-15

Developing cartridge, image carrier cartridge, process cartridge, and image forming apparatus

 #97
20070036579
2007-02-15

Cleaning unit with a light beam path for the passage of a light beam

 #98
20070019990
2007-01-25

Image forming apparatus and process unit

 #99
20070019986
2007-01-25

Two part cartridges with force biasing by printer

 #100
20070019985
2007-01-25

Image forming process module having a detachable waste developer storage tank and image forming apparatus having the same

 #101
20060285880
2006-12-21

Image forming device and detachably loaded process unit

 #102
20060275052
2006-12-07

Process cartridge, photosensitive member cartridge, developer cartridge and developer cartridge for use in image forming apparatus

 #103
20060245787
2006-11-02

Process cartridge for image-forming device

 #104
20060239713
2006-10-26

Manufacturing method of developing unit, developing unit, and image forming device

 #105
20060216061
2006-09-28

Process cartridge and image forming apparatus

 #106
20060204277
2006-09-14

Image forming apparatus having a simple cassette of image bearing photoconductors

 #107
20060171738
2006-08-03

Process cartridge, developer cartridge, and image forming device

 #108
20060165435
2006-07-27

A PROCESS CARTRIDGE FOR AN IMAGE FORMING APPARATUS

 #109
20060127128
2006-06-15

Process cartridge feeding developer from first to second removed developer accommodating portions and image forming apparatus to which the cartridge is mountable

 #110
20060079358
2006-04-13

Image-forming device and angularly shifted belt unit

 #111
20060067732
2006-03-30

Image forming apparatus, drawable cartridge, and recording medium accommodating cartridge

 #112
20060056878
2006-03-16

Photosensitive member cartridge

 #113
20060056877
2006-03-16

Photosensitive member cartridge

 #114
20060056876
2006-03-16

Photosensitive member cartridge

 #115
20060045603
2006-03-02

Process cartridge including at least one replaceable member and image forming apparatus

 #116
20060039717
2006-02-23

Method and apparatus for image forming having a predetermined gap formed between an image bearing member and a developing member

 #117
20060002736
2006-01-05

Method and apparatus for image forming capable of effectively replacing a facing mechanism used in the image forming

 #118
20050249522
2005-11-10

Process cartridge for image forming apparatus

 #119
20050244187
2005-11-03

Two-station type color image forming apparatus with separately replaceable components

 #120
20050191088
2005-09-01

Process cartridge and image forming apparatus

 #121
20050147430
2005-07-07

Two part cartridges with force biasing by printer

 #122
20050135837
2005-06-23

Photosensitive member cartridge

 #123
20050100363
2005-05-12

Process unit, photoconductive unit, developing unit, and image forming apparatus

 #124
20050053394
2005-03-10

Developing cartridge, photosensitive member cartridge, process unit, and image forming apparatus

 #125
20050008394
2005-01-13

Process device, photosensitive body cartridge, photosensitive body cartridge assembling method, and image forming apparatus

 #126
20050002690
2005-01-06

Tandem color image forming device

 #127
15722087
2018-09-11

Imaging unit having positioning features for electrical contacts for use in an electrophotographic image forming device