G03G21/1828 - CPC Classification Index

ClassID:

177957 ⎘

G03G21/1828 - 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 Prevention of damage or soiling, e.g. mechanical abrasion

Sub-classes:

G03G21/1832 » {Shielding members, shutter, e.g. light, heat shielding, prevention of toner scattering} 204

Recent Application in this class:

20260140462

2026-05-21

ELONGATED CORDS FOR DEVELOPER DEVICES

20250306527

2025-10-02

ROLLER HOLDING UNIT, CARTRIDGE AND IMAGE FORMING APPARATUS

20250237994

2025-07-24

CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT CAN BE EASILY SEPARATED

20250224695

2025-07-10

DEVELOPING CARTRIDGE

20250208532

2025-06-26

CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

20250199463

2025-06-19

PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS

20250181004

2025-06-05

PROCESS CARTRIDGE AND PROCESS CARTRIDGE SET

20250147463

2025-05-08

PROCESSING CARTRIDGE

20240353794

2024-10-24

PROCESS CARTRIDGE, PROCESS CARTRIDGE ASSEMBLY, AND IMAGE-FORMING APPARATUS

#10

20240353793

2024-10-24

CONDUCTIVE PART, PROCESS CARTRIDGE, AND PROCESS CARTRIDGE SET

#11

20240345536

2024-10-17

Cartridge including photosensitive drum and developing roller that can be easily separated

#12

20240255893

2024-08-01

IMAGE FORMING APPARATUS

#13

20240241476

2024-07-18

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

#14

20240061362

2024-02-22

PROCESS CARTRIDGE AND DEVELOPING CARTRIDGE

#15

20230418212

2023-12-28

Cartridge including photosensitive drum and developing roller that can be easily separated

#16

20230049612

2023-02-16

Lubricant replacement case

#17

20230025390

2023-01-26

Cartridge including photosensitive drum and developing roller that can be easily separated

#18

20230013196

2023-01-19

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

#19

20220163908

2022-05-26

Image forming apparatus

#20

20210382413

2021-12-09

Print powder reservoir sealed from atmosphere at lower pressure than atmosphere

#21

20210341875

2021-11-04

Cartridge including photosensitive drum and developing roller that can be easily separated

#22

20210080898

2021-03-18

Cartridge including an image bearing member and developer bearing member that can be easily separated

#23

20190235417

2019-08-01

Developing apparatus and image forming apparatus

#24

20180314202

2018-11-01

Developing cartridge and drum cartridge configuration for mounting to an image forming apparatus having an electric contact

#25

20180107147

2018-04-19

Image forming apparatus having a lubricant and developer of opposite polarity

#26

20170293258

2017-10-12

Cartridge mountable to image forming apparatus

#27

20170176926

2017-06-22

Cleaner assembly for removing waste toner in an electrophotographic image forming device

#28

20160370745

2016-12-22

Image forming apparatus performing toner purge processing

#29

20160282804

2016-09-29

Cartridge and image forming apparatus

#30

20160238992

2016-08-18

Process cartridge and image forming apparatus

#31

20160062311

2016-03-03

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

#32

20160033932

2016-02-04

Cartridge and method for manufacturing cartridge

#33

20150346640

2015-12-03

Image forming apparatus with removably attached toner leakage preventing member

#34

20150301495

2015-10-22

Image forming apparatus having a lubricant and developer of opposite polarity

#35

20150234344

2015-08-20

Image forming apparatus

#36

20150220051

2015-08-06

Cartridge and image forming apparatus

#37

20150205255

2015-07-23

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

#38

20150086236

2015-03-26

Developing cartridge

#39

20150063867

2015-03-05

Image carrier unit and image forming apparatus

#40

20150063834

2015-03-05

Image forming apparatus

#41

20140363203

2014-12-11

Developing cartridge and method for manufacturing the same

#42

20140363202

2014-12-11

Developing cartridge and method for manufacturing the same

#43

20140363201

2014-12-11

Developing cartridge and method for manufacturing the same

#44

20140363200

2014-12-11

Developing cartridge and method for manufacturing the same

#45

20140363199

2014-12-11

Developing cartridge and method for manufacturing the same

#46

20140147159

2014-05-29

Photosensitive member cartridge

#47

20140105638

2014-04-17

Cartridge detachably mounted on main casing

#48

20140093276

2014-04-03

Process cartridge including plate configuration with inner and outer side plates that allow for attachment to image forming apparatus

#49

20140093271

2014-04-03

Cartridge and image forming apparatus

#50

20140064782

2014-03-06

Image forming apparatus with movable cartridge pressing member

#51

20130195505

2013-08-01

Image forming apparatus

#52

20130164028

2013-06-27

Process cartridge and image forming apparatus

#53

20130121725

2013-05-16

Image forming unit

#54

20120328324

2012-12-27

Toner cartridge having structure for minimizing deformation when gripped

#55

20120213556

2012-08-23

Image forming apparatus and process cartridge

#56

20120183328

2012-07-19

Cover and cartridge

#57

20120093540

2012-04-19

Image forming apparatus and process cartridge

#58

20120063805

2012-03-15

Developing cartridge and image forming apparatus employing the same

#59

20110244174

2011-10-06

Separator hanger for enabling constrained positioning of a packaging fabric insert in an image forming device

#60

20110222903

2011-09-15

Process cartridge and image forming apparatus

#61

20110188888

2011-08-04

Photosensitive member cartridge

#62

20110158687

2011-06-30

Developing cartridge and method for manufacturing the same

#63

20110103830

2011-05-05

Cover and cartridge

#64

20110026967

2011-02-03

Process cartridge and image forming apparatus having the same

#65

20110013929

2011-01-20

Developing device to prevent toner leakage and image forming apparatus including the same

#66

20110002708

2011-01-06

Developing device and image forming apparatus employing the same

#67

20100322647

2010-12-23

Electrophotographic color image forming apparatus

#68

20100296836

2010-11-25

Photosensitive member cartridge

#69

20100215403

2010-08-26

Protective sheet, image forming unit and image forming apparatus

#70

20100189482

2010-07-29

Drum unit having side seals and image-forming apparatus including the same

#71

20100150604

2010-06-17

Sealing member and process cartridge

#72

20100142995

2010-06-10

Process cartridge and developing cartridge

#73

20100135692

2010-06-03

Process cartridge including a plate configuration with inner and outer side plates that allow for attachment to an image forming apparatus

#74

20100129111

2010-05-27

Process cartridge having charger and image forming device provided with the process cartridge

#75

20100074647

2010-03-25

Image forming unit and image forming apparatus

#76

20100061760

2010-03-11

Process cartridge and image forming apparatus

#77

20100019113

2010-01-28

Separator hanger for enabling constrained positioning of a packaging fabric insert in an image forming device

#78

20090320742

2009-12-31

Temperature sensitive label for detecting temperature changes to a temperature sensitive item

#79

20090297219

2009-12-03

Process cartridge

#80

20090297203

2009-12-03

Image forming apparatus and process cartridge

#81

20090208245

2009-08-20

Image forming apparatus and process cartridge

#82

20090092413

2009-04-09

Photosensitive member cartridge

#83

20080286001

2008-11-20

Image forming apparatus

#84

20080253801

2008-10-16

Process cartridge including photoconductor pre-coated with protective agent and image forming apparatus using same

#85

20080232427

2008-09-25

Temperature sensitive label for detecting temperature changes to a temperature sensitive item

#86

20080226365

2008-09-18

Protective-agent applying device, process cartridge, and image forming apparatus

#87

20080181691

2008-07-31

Electrophotographic image forming apparatus and process cartridge

#88

20080038009

2008-02-14

Device and method for removing image forming substance deposits

#89

20070264045

2007-11-15

Photosensitive member cartridge

#90

20070230997

2007-10-04

Image carrier unit and image forming apparatus

#91

20070147873

2007-06-28

Discharge method for electrophotographic process unit detachable from imaging apparatus and image forming apparatus thereof

#92

20070059035

2007-03-15

Process cartridge with image carrier supporting structure for use in an image forming apparatus

#93

20070041744

2007-02-22

Electrophotographic process unit and image forming apparatus

#94

20060285870

2006-12-21

Detachable process unit including a charge elimination mechanism

#95

20060193653

2006-08-31

Electrophotographic image forming apparatus, process cartridge and discharge preventing mechanism

#96

20060165434

2006-07-27

Printer cartridge

#97

20060072937

2006-04-06

Spacer for print cartridge

#98

20060056878

2006-03-16

Photosensitive member cartridge

#99

20060056877

2006-03-16

Photosensitive member cartridge

#100

20060056876

2006-03-16

Photosensitive member cartridge

#101

20060029415

2006-02-09

Discharge method for electrophotographic process unit detachable from imaging apparatus and image forming apparatus thereof

#102

20050265747

2005-12-01

Attaching and detaching a process cartridge of an image forming device

#103

20050191080

2005-09-01

Electrophotographic image forming apparatus, process cartridge and discharge preventing mechanism

#104

20050135837

2005-06-23

Photosensitive member cartridge

#105

20050084289

2005-04-21

Housing assembly of OPC unit

#106

20050084288

2005-04-21

Photoreceptor unit