G03G21/1803 - CPC Classification Index

ClassID:

177950 ⎘

G03G21/1803 - CPC Classification

Classification description:

Arrangements not provided for by groups - , e.g. cleaning, elimination of residual charge; Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit Arrangements or disposition of the complete process cartridge or parts thereof

Sub-classes:

G03G21/1807 » {colour} 41
G03G21/181 » {Manufacturing or assembling, recycling, reuse, transportation, packaging or storage} 277
G03G21/1814 » {Details of parts of process cartridge, e.g. for charging, transfer, cleaning, developing } 1,0K
G03G21/1817 » {having a submodular arrangement} 161
G03G21/1828 » {Prevention of damage or soiling, e.g. mechanical abrasion } 97
G03G21/1835 » {the process cartridge not comprising a photosensitive member} 13

Recent Application in this class:

20250334920

2025-10-30

TONER CONTAINER

20250244713

2025-07-31

CARTRIDGE WITH A GRIPPING PORTION

20250164924

2025-05-22

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

20250155843

2025-05-15

IMAGE FORMING APPARATUS

20240427282

2024-12-26

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

20240369968

2024-11-07

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

20240369967

2024-11-07

Process cartridge and image forming apparatus

20240272575

2024-08-15

IMAGE FORMING APPARATUS

20240219865

2024-07-04

IMAGE FORMING APPARATUS

#10

20240210875

2024-06-27

Process cartridge and image forming apparatus

#11

20240192634

2024-06-13

Developing device

#12

20240077832

2024-03-07

Process cartridge and image forming apparatus

#13

20240053689

2024-02-15

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

#14

20240036487

2024-02-01

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

#15

20240012343

2024-01-11

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

#16

20230418208

2023-12-28

TONER CONTAINER

#17

20230384727

2023-11-30

Printing apparatus to operate in a contract mode with consumable item to be used in printing and execute profit returning process according to content of the contract

#18

20230333508

2023-10-19

Image forming apparatus

#19

20230280668

2023-09-07

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

#20

20230273570

2023-08-31

Process cartridge and image forming apparatus

#21

20230273568

2023-08-31

Image forming apparatus

#22

20230259067

2023-08-17

Image forming apparatus facilitating detachment of toner cartridge from process cartridge attached to housing of image forming apparatus

#23

20230229096

2023-07-20

Image forming apparatus

#24

20230176514

2023-06-08

Image forming apparatus

#25

20230161275

2023-05-25

ELECTROPHOTOGRAPHIC MEMBER AND METHOD OF PRODUCING THE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

#26

20230110629

2023-04-13

Process cartridge and image forming apparatus

#27

20230063310

2023-03-02

Image forming apparatus

#28

20220413403

2022-12-29

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE AND IMAGE-FORMING APPARATUS INCLUDING ELECTROPHOTOGRAPHIC PHOTORECEPTOR

#29

20220350290

2022-11-03

Image forming apparatus

#30

20220308474

2022-09-29

Electrophotographic photoconductor, process cartridge, and image forming apparatus

#31

20220308473

2022-09-29

Electrophotographic photosensitive member, process cartridge, and image forming apparatus

#32

20220206430

2022-06-30

Image forming apparatus facilitating detachment of toner cartridge from process cartridge attached to housing of image forming apparatus

#33

20220066386

2022-03-03

Process cartridge and image forming apparatus

#34

20220066335

2022-03-03

Fluorine-containing resin particle, composition, layer-shaped article, electrophotographic photoreceptor, process cartridge, and image forming apparatus

#35

20220035308

2022-02-03

Process cartridge and image forming apparatus

#36

20210373489

2021-12-02

Image forming apparatus

#37

20210373448

2021-12-02

Electroconductive elastic body, electrophotographic member, process cartridge, and electrophotographic image-forming apparatus

#38

20210333749

2021-10-28

Process cartridge with movable force receiving portion configured to separate developing roller and photosensitive drum

#39

20210333748

2021-10-28

Image forming apparatus

#40

20210325823

2021-10-21

Image forming apparatus including drum cartridge attachable to drawer and pressing member for pressing drum cartridge attached to drawer downward

#41

20210302847

2021-09-30

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

#42

20210232056

2021-07-29

Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method

#43

20210216026

2021-07-15

Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method

#44

20210181671

2021-06-17

Process cartridge and image forming apparatus

#45

20210181645

2021-06-17

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

#46

20210149333

2021-05-20

Image forming apparatus including drum cartridge attachable to drawer and pressing member for pressing drum cartridge attached to drawer downward

#47

20210141333

2021-05-13

Image forming apparatus facilitating detachment of toner cartridge from process cartridge attached to housing of image forming apparatus

#48

20210109478

2021-04-15

Process cartridge and image forming apparatus

#49

20210088918

2021-03-25

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

#50

20210026293

2021-01-28

Image forming apparatus

#51

20210026268

2021-01-28

Process cartridge and electrophotographic apparatus

#52

20210011429

2021-01-14

Process cartridge and image forming apparatus

#53

20210011428

2021-01-14

Process cartridge and image forming apparatus

#54

20200393775

2020-12-17

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

#55

20200356046

2020-11-12

Process cartridge and image forming apparatus

#56

20200310341

2020-10-01

Replaceable unit for an image forming device having magnets of varying angular offset for toner level sensing

#57

20200310267

2020-10-01

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

#58

20200301354

2020-09-24

Process cartridge with a coupling member having a movable force receiving portion

#59

20200301353

2020-09-24

Image forming apparatus

#60

20200257212

2020-08-13

Electrophotographic photoreceptor, process cartridge, and image-forming apparatus

#61

20200257210

2020-08-13

Fluorine-containing resin particle, composition, layer-shaped article, electrophotographic photoreceptor, process cartridge, and image forming apparatus

#62

20200241434

2020-07-30

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

#63

20200233374

2020-07-23

Process cartridge and image forming apparatus

#64

20200233373

2020-07-23

Image forming apparatus

#65

20200233324

2020-07-23

Electrophotographic photosensitive member, process cartridge, and image forming apparatus

#66

20200233323

2020-07-23

Electrophotographic photosensitive member, process cartridge, and image forming apparatus

#67

20200174390

2020-06-04

Toner, production method of toner, image forming method, image forming apparatus, and process cartridge

#68

20200166869

2020-05-28

Replaceable unit for an image forming device having magnets of varying angular offset for toner level sensing

#69

20200166866

2020-05-28

Developing member, process cartridge, and electrophotographic image forming apparatus

#70

20200133148

2020-04-30

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

#71

20200124996

2020-04-23

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

#72

20200096937

2020-03-26

Process cartridge and image forming apparatus

#73

20200096887

2020-03-26

Dispersant-attached polytetrafluoroethylene particle, composition, layer-shaped article, electrophotographic photoreceptor, process cartridge, and image forming apparatus

#74

20200096886

2020-03-26

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

#75

20200089156

2020-03-19

Replaceable unit for an image forming device having magnets of varying angular offset for toner level sensing

#76

20200073278

2020-03-05

Developing roller, electrophotographic process cartridge and electrophotographic image forming apparatus

#77

20200064773

2020-02-27

Image forming apparatus

#78

20200064749

2020-02-27

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

#79

20200019114

2020-01-16

Process cartridge and image forming apparatus

#80

20200019076

2020-01-16

Toner, image forming method, image forming apparatus, and process cartridge

#81

20190391527

2019-12-26

Process cartridge and image forming apparatus including the same

#82

20190391504

2019-12-26

Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method of producing electrophotographic photosensitive member

#83

20190302660

2019-10-03

Image forming apparatus having a conveyance with air circulating opening

#84

20190243301

2019-08-08

Replaceable unit for an image forming device having magnets of varying angular offset for toner level sensing

#85

20190219965

2019-07-18

Image forming apparatus

#86

20190196346

2019-06-27

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

#87

20190121285

2019-04-25

Process cartridge having a positioning portion capable of positioning a driving force receiving portion of a coupling member

#88

20190101855

2019-04-04

Image forming apparatus including developer carrying member

#89

20190049895

2019-02-14

Process cartridge and image forming apparatus

#90

20180356745

2018-12-13

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

#91

20180356743

2018-12-13

Electrophotographic photosensitive member, process cartridge, and image forming apparatus

#92

20180299821

2018-10-18

Image forming apparatus

#93

20180259899

2018-09-13

Process cartridge and image forming apparatus

#94

20180253059

2018-09-06

Image forming apparatus and cartridge

#95

20180246439

2018-08-30

Replaceable unit for an image forming device having magnets of varying angular offset for toner level sensing

#96

20180239302

2018-08-23

Process cartridge and image forming apparatus

#97

20180239272

2018-08-23

Image forming apparatus and cartridge

#98

20180188683

2018-07-05

Process cartridge having a coupling member and a coupling member supporting portion

#99

20180067450

2018-03-08

Toner cartridge and transmission device thereof

#100

20180059613

2018-03-01

Image forming device having a replaceable unit that includes magnets of varying angular offset for toner level sensing

#101

20180046135

2018-02-15

Drive coupler

#102

20180039227

2018-02-08

Process cartridge and image forming apparatus

#103

20180039225

2018-02-08

Removable unit and image forming apparatus therewith

#104

20180039220

2018-02-08

Unidirectional clutch and electrophotographic image forming apparatus employing the same

#105

20170285520

2017-10-05

Developing apparatus and process cartridge

#106

20170267445

2017-09-21

Packing member and cartridge packed in the packing member

#107

20170097608

2017-04-06

Image forming apparatus

#108

20170082971

2017-03-23

Process cartridge including a coupling member and a sheet that contacts the coupling member

#109

20170068210

2017-03-09

Process cartridge and image forming apparatus

#110

20170052478

2017-02-23

Replaceable unit for an image forming device having magnets of varying angular offset for toner level sensing

#111

20170031313

2017-02-02

Image forming apparatus and cartridge

#112

20160378056

2016-12-29

Process cartridge and image forming apparatus

#113

20160327901

2016-11-10

Roller member, roller supporting mechanism, and image forming apparatus

#114

20160320723

2016-11-03

Toner cartridge

#115

20160299466

2016-10-13

Replaceable unit for an image forming device having magnets of varying angular offset for toner level sensing

#116

20160291536

2016-10-06

Process cartridge having drum unit and developing unit including an electrical terminal

#117

20160282804

2016-09-29

Cartridge and image forming apparatus

#118

20160274486

2016-09-22

Image forming apparatus and cartridge

#119

20160259260

2016-09-08

Charging device, process cartridge, and image forming apparatus

#120

20160252879

2016-09-01

Side member, cartridge, and image forming apparatus

#121

20160252878

2016-09-01

Cartridge and image forming apparatus

#122

20160252877

2016-09-01

Image forming apparatus with an insertion port configured for a process cartridge, usable with the image forming apparatus

#123

20160246240

2016-08-25

Image forming apparatus having photosensitive drum moving mechanism

#124

20160238992

2016-08-18

Process cartridge and image forming apparatus

#125

20160231695

2016-08-11

Image forming apparatus provided with process cartridge

#126

20160221747

2016-08-04

PACKING MEMBER AND CARTRIDGE PACKED IN THE PACKING MEMBER

#127

20160216687

2016-07-28

Cartridge and image forming apparatus

#128

20160179053

2016-06-23

Positional control features for an imaging unit in an electrophotographic image forming device

#129

20160154372

2016-06-02

Image forming apparatus

#130

20160077466

2016-03-17

Replaceable unit for an image forming device having magnets of varying angular offset for toner level sensing

#131

20160062311

2016-03-03

Cartridge provided with protection cover capable of protecting developer carrier and image forming apparatus provided with the same

#132

20160026151

2016-01-28

Image forming apparatus and cartridge

#133

20160004212

2016-01-07

Photoconductor cartridge and image forming apparatus

#134

20150346681

2015-12-03

Replaceable unit for an image forming device having magnets of varying angular offset for toner level sensing

#135

20150338825

2015-11-26

Drive coupler

#136

20150277367

2015-10-01

Process cartridge and image forming apparatus

#137

20150277366

2015-10-01

Process cartridge and image forming apparatus using the process cartridge

#138

20150248107

2015-09-03

Process cartridge and image forming apparatus

#139

20150234315

2015-08-20

Developing apparatus, cartridge, and image forming apparatus

#140

20150227085

2015-08-13

Developer accommodating unit, developing device, process catridge and electrophotographic image forming apparatus

#141

20150205255

2015-07-23

Cartridge provided with protection cover capable of protecting developer carrier and image forming apparatus provided with the same

#142

20150160607

2015-06-11

Image forming apparatus having housing, exposing member disposed in the housing, and process cartridge mounted in the housing

#143

20150153708

2015-06-04

Packing member and cartridge packed in the packing member

#144

20150125179

2015-05-07

Cartridge having a plurality of frames and image forming apparatus provided with the cartridge

#145

20140376955

2014-12-25

Cartridge with flexible container for accommodating developer

#146

20140255837

2014-09-11

Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge each including the electrophotographic photosensitive member

#147

20140255836

2014-09-11

Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and condensed polycyclic aromatic compound

#148

20140248557

2014-09-04

Carrier for two-component developer, two-component developer using the carrier, and image forming method and process cartridge using the two-component developer

#149

20140227003

2014-08-14

Drive force transmission configuration for an image forming apparatus having cartridge

#150

20140169829

2014-06-19

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

#151

20140161486

2014-06-12

Image forming apparatus

#152

20140093271

2014-04-03

Cartridge and image forming apparatus

#153

20140064779

2014-03-06

Image forming apparatus and process unit configuration and arrangement therefor

#154

20140050503

2014-02-20

Process cartridge and image forming apparatus

#155

20130315619

2013-11-28

Image forming apparatus an opening/closing member, a cartridge support member, and a lock that is released when cartridge support member moves to an outer position

#156