Patents-Review.com
ClassID:

177618 ⎘

G03G15/0216 - CPC Classification

Classification description:

Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers

Sub-classes:
Recent Application in this class:
#1
20260118794
2026-04-30

IMAGE FORMING APPARATUS AND CHARGING DEVICE

 #2
20260099103
2026-04-09

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #3
20260099102
2026-04-09

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

 #4
20260064022
2026-03-05

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #5
20250306521
2025-10-02

IMAGE FORMING APPARATUS

 #6
20250298334
2025-09-25

IMAGE FORMING SYSTEM, DEVELOPER REPLACEMENT METHOD, AND CLEANING DEVELOPER ACCOMMODATION PORTION

 #7
20250237993
2025-07-24

CLEANING DEVICE AND IMAGE FORMING DEVICE INCLUDING THE SAME

 #8
20250172896
2025-05-29

IMAGE FORMING APPARATUS

 #9
20250116964
2025-04-10

CARTRIDGE AND IMAGE FORMING APPARATUS

 #10
20250102985
2025-03-27

RECORDING MATERIAL ESTIMATION METHOD, INFORMATION PROCESSING APPARATUS, AND CONSUMABLE

 #11
20250102935
2025-03-27

ELECTROPHOTOGRAPHIC PHOTORECEPTOR FOR CONTACT CHARGING WITH DC VOLTAGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #12
20250102932
2025-03-27

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #13
20250102931
2025-03-27

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #14
20250102930
2025-03-27

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #15
20250102929
2025-03-27

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #16
20250093810
2025-03-20

IMAGE FORMING APPARATUS

 #17
20250093809
2025-03-20

Image forming apparatus

 #18
20250093807
2025-03-20

IMAGE FORMING APPARATUS

 #19
20250085903
2025-03-13

DATA VERIFICATION METHOD, INFORMATION PROCESSING APPARATUS, CONSUMABLE, AND IMAGE-FORMING APPARATUS

 #20
20250053109
2025-02-13

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

 #21
20250036064
2025-01-30

IMAGE FORMING APPARATUS

 #22
20240427259
2024-12-26

Charging member, method for producing charging member, charging device, process cartridge, and image forming apparatus

 #23
20240393710
2024-11-28

IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING SAME

 #24
20240393708
2024-11-28

TWO-COMPONENT DEVELOPER AND IMAGE FORMING APPARATUS

 #25
20240353787
2024-10-24

IMAGE FORMING APPARATUS

 #26
20240353782
2024-10-24

Polymer film, tubular fixing member, fixing device, and image forming apparatus

 #27
20240345529
2024-10-17

IMAGE FORMING APPARATUS

 #28
20240329557
2024-10-03

Image forming apparatus including an electrophotographic photoreceptor

 #29
20240329556
2024-10-03

TRANSFER DEVICE AND IMAGE FORMING APPARATUS

 #30
20240319661
2024-09-26

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #31
20240317954
2024-09-26

Film, member, transfer device, fixing device, and image forming apparatus

 #32
20240302765
2024-09-12

IMAGE FORMING APPARATUS

 #33
20240302764
2024-09-12

Image forming apparatus and unit for image forming apparatus

 #34
20240295836
2024-09-05

Disruptions of toner transfers from developers to photoreceptors

 #35
20240272575
2024-08-15

IMAGE FORMING APPARATUS

 #36
20240241464
2024-07-18

IMAGE FORMING APPARATUS

 #37
20240231253
2024-07-11

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS INCORPORATING THE SAME

 #38
20240219858
2024-07-04

Image forming apparatus having longer term anti-fogging

 #39
20240192613
2024-06-13

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #40
20240142889
2024-05-02

Image forming apparatus having controller to control voltage to first and second corona chargers

 #41
20240134303
2024-04-25

Image forming apparatus for maintaining cleaning performance while preventing turn-over of a contact member

 #42
20240126186
2024-04-18

SILICA PARTICLE, TONER FOR DEVELOPING ELECTROSTATIC CHARGE IMAGE, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

 #43
20240118645
2024-04-11

SILICA PARTICLE, TONER FOR DEVELOPING ELECTROSTATIC CHARGE IMAGE, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

 #44
20240111240
2024-04-04

Image forming apparatus

 #45
20240077830
2024-03-07

Unit accommodation apparatus and image forming apparatus

 #46
20240069482
2024-02-29

Image forming apparatus with brush that collects material adhered to surface of image bearing member and that includes brush portion including threads having specified thread density

 #47
20240044784
2024-02-08

MOISTURE DETECTING APPARATUS FOR RECORDING MATERIAL AND IMAGE FORMING APPARATUS

 #48
20240004323
2024-01-04

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

 #49
20230314978
2023-10-05

Process unit and image-forming apparatus

 #50
20230305422
2023-09-28

Image-forming apparatus to control potential difference based on image-forming operation

 #51
20230305421
2023-09-28

Controlling voltage in an image forming apparatus including a brush that comes into contact with an image bearing member

 #52
20230288836
2023-09-14

Electrophotographic apparatus

 #53
20230259061
2023-08-17

Consumable chip and imaging forming control method

 #54
20230236530
2023-07-27

IMAGE-FORMING APPARATUS

 #55
20230221660
2023-07-13

Electrophotographic roller, process cartridge and electrophotographic image forming apparatus

 #56
20230176514
2023-06-08

Image forming apparatus

 #57
20230125722
2023-04-27

Image forming apparatus

 #58
20230108399
2023-04-06

Electrophotographic Photoreceptor, Electrophotographic Photoreceptor Cartridge, and Image Formation Device

 #59
20230082013
2023-03-16

Image forming apparatus including pre-exposure unit having light emitting elements of different directional characteristics

 #60
20230080995
2023-03-16

Image forming apparatus with brush portion comprising threads and with control to perform rotation of and stop of image bearing member to change posture of brush portion

 #61
20230048843
2023-02-16

Image forming apparatus

 #62
20220390876
2022-12-08

Electrophotographic roller, process cartridge and electrophotographic image forming apparatus

 #63
20220365459
2022-11-17

APPARATUS AND METHOD FOR FORMING FINE PATTERN

 #64
20220350271
2022-11-03

Image forming method and image forming apparatus

 #65
20220349817
2022-11-03

Moisture detecting apparatus for recording material and image forming apparatus

 #66
20220334509
2022-10-20

Image forming apparatus

 #67
20220197207
2022-06-23

Image forming apparatus with collection

 #68
20220179333
2022-06-09

IMAGE FORMING APPARATUS AND CHARGING METHOD

 #69
20220121135
2022-04-21

Image forming apparatus

 #70
20220100132
2022-03-31

Image forming apparatus

 #71
20210364942
2021-11-25

Developing device and image forming apparatus containing regulated bearing

 #72
20210278797
2021-09-09

Air bearings

 #73
20210262926
2021-08-26

Moisture detecting apparatus for recording material and image forming apparatus

 #74
20210116861
2021-04-22

Process cartridge and image forming apparatus

 #75
20210116836
2021-04-22

Imaging device

 #76
20210109470
2021-04-15

Image forming apparatus including a developing device that develops an electrostatic latent image

 #77
20210088960
2021-03-25

Image forming apparatus and process cartridge

 #78
20210011416
2021-01-14

Image forming apparatus having moving mechanisms to move developing rollers to be in contact with and separated from photosensitive drums

 #79
20200356040
2020-11-12

Image forming apparatus

 #80
20200341404
2020-10-29

Image forming apparatus

 #81
20200341402
2020-10-29

Photosensitive member unit and image forming apparatus

 #82
20200326641
2020-10-15

Image forming apparatus

 #83
20200301346
2020-09-24

Power supply including resistors

 #84
20200301334
2020-09-24

Charging device, image forming structure, and image forming device

 #85
20200301320
2020-09-24

Image forming apparatus that forms image on recording paper

 #86
20200271575
2020-08-27

Moisture detecting apparatus for recording material and image forming apparatus

 #87
20200241441
2020-07-30

Image forming apparatus which suppresses image defects due to interference between a charging alternating-current frequency and a developing alternating-current frequency

 #88
20200241436
2020-07-30

Image forming apparatus in which AC-type biasing is adopted for charging or development

 #89
20200233339
2020-07-23

Liquid electro-photographic printing transfer devices

 #90
20200209798
2020-07-02

Image forming apparatus

 #91
20200174393
2020-06-04

Processing device and image forming apparatus

 #92
20200159142
2020-05-21

Developing device and image forming apparatus including the same

 #93
20200133170
2020-04-30

Image forming apparatus

 #94
20200096891
2020-03-26

Photosensitive unit

 #95
20200073281
2020-03-05

SHEET CONVEYING APPARATUS, DOCUMENT READING APPARATUS, AND IMAGE FORMING APPARATUS

 #96
20200033785
2020-01-30

Photosensitive drum unit to address vibration of a charge roller

 #97
20200026213
2020-01-23

Image forming apparatus, image forming method and non-transitory computer-readable recording medium encoded with image forming program

 #98
20190384206
2019-12-19

Developing apparatus for providing developer to an image bearing member and image forming apparatus having the developing apparatus

 #99
20190332030
2019-10-31

Image forming apparatus

 #100
20190302637
2019-10-03

Image forming apparatus

 #101
20190187609
2019-06-20

Cartridge and image forming apparatus

 #102
20190121253
2019-04-25

Image forming apparatus

 #103
20190100392
2019-04-04

Sheet conveying apparatus, image forming apparatus, and image reading apparatus

 #104
20190094742
2019-03-28

Cleaning member, charging device, and image forming apparatus

 #105
20190079424
2019-03-14

Auxiliary charging device for an image forming apparatus

 #106
20190072894
2019-03-07

Electrophotographic image forming apparatus, and electricity removing member used in image forming apparatus

 #107
20190072870
2019-03-07

Discharge member, charge eliminating device including the same, and image forming apparatus

 #108
20190011863
2019-01-10

Heating unit and image forming apparatus

 #109
20180364637
2018-12-20

Image forming apparatus and cartridge having charging roller

 #110
20180364617
2018-12-20

Transfer device and image forming apparatus that sets charging device based on location of the toner base layer

 #111
20180341192
2018-11-29

Image forming apparatus

 #112
20180335746
2018-11-22

Image forming unit to suppress uneven charging

 #113
20180335716
2018-11-22

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

 #114
20180335715
2018-11-22

Image forming apparatus

 #115
20180321623
2018-11-08

Image forming apparatus

 #116
20180321610
2018-11-08

Image formation apparatus

 #117
20180314173
2018-11-01

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

 #118
20180292314
2018-10-11

Moisture detecting apparatus for recording material and image forming apparatus

 #119
20180284656
2018-10-04

Developing device

 #120
20180284643
2018-10-04

DEVELOPING DEVICE

 #121
20180275555
2018-09-27

Apparatus and method for forming an electrostatic image on a photosensitive member according to an image signal

 #122
20180267424
2018-09-20

IMAGE FORMING APPARATUS, METHOD OF CONTROLLING IMAGE FORMING APPARATUS, AND CONTROL PROGRAM OF IMAGE FORMING APPARATUS

 #123
20180259870
2018-09-13

Inner resistive film with ductile particles and outer resistive film

 #124
20180259869
2018-09-13

Image forming apparatus that determines lifetime of intermediate transfer belt

 #125
20180253059
2018-09-06

Image forming apparatus and cartridge

 #126
20180246440
2018-08-30

IMAGE FORMING APPARATUS

 #127
20180227456
2018-08-09

Optical scanning device with duct for heat dissipation, and image forming device having the same

 #128
20180224797
2018-08-09

Cleaning device and image forming apparatus

 #129
20180215183
2018-08-02

Electrophotographic photosensitive member, process cartridge, and image forming apparatus

 #130
20180196382
2018-07-12

Fixing device and image forming apparatus therewith

 #131
20180181018
2018-06-28

Charging member, process cartridge, and image forming apparatus

 #132
20180173130
2018-06-21

Image forming apparatus and method of controlling the same

 #133
20180136577
2018-05-17

CHARGING ROLL FOR ELECTROPHOTOGRAPHIC APPARATUS

 #134
20180135958
2018-05-17

Image forming apparatus, photoconductor film thickness estimation method, and estimation program

 #135
20180120726
2018-05-03

Sheet conveyance apparatus and image forming apparatus

 #136
20180059570
2018-03-01

Image forming apparatus adjusting driving current for emitting light

 #137
20180024457
2018-01-25

Image forming apparatus

 #138
20180017901
2018-01-18

MEDIUM TRANSPORT APPARATUS AND IMAGE FORMING APPARATUS

 #139
20180011415
2018-01-11

Charging member, process cartridge, and image-forming apparatus for reducing small color lines

 #140
20180004112
2018-01-04

Gap control

 #141
20180004106
2018-01-04

Toner, developing apparatus, and image-forming apparatus

 #142
20170343928
2017-11-30

Developing apparatus

 #143
20170299989
2017-10-19

Fixing device and image forming apparatus

 #144
20170285506
2017-10-05

Electrophotographic image forming apparatus and electricity removing member used in the same

 #145
20170285499
2017-10-05

Electrophotographic apparatus

 #146
20170269500
2017-09-21

Image forming apparatus for detecting crack generated in charging member, method for controlling the image forming apparatus, and control program used in the image forming apparatus

 #147
20170269498
2017-09-21

DISCHARGE MEMBER, CHARGE ELIMINATING DEVICE INCLUDING THE SAME, AND IMAGE FORMING APPARATUS

 #148
20170255121
2017-09-07

Charging device, and image carrying member unit and image forming apparatus therewith

 #149
20170227907
2017-08-10

Image forming apparatus

 #150
20170219949
2017-08-03

Inner resistive film with ductile particles and outer resistive film without ductile particles

 #151
20170212444
2017-07-27

Charging member, intermediate transfer belt and image forming apparatus having the same

 #152
20170210719
2017-07-27

Electroconductive member for electrophotography and quaternary ammonium salt

 #153
20170176883
2017-06-22

PRINTING USING A METAL-SURFACE CHARGING ELEMENT

 #154
20170168411
2017-06-15

Image forming apparatus, method for controlling image forming apparatus, and program for controlling image forming apparatus

 #155
20170139340
2017-05-18

Image forming apparatus including bearing configured to rotatably support charging member which comes into contact with or separates from image carrier

 #156
20170090328
2017-03-30

Charging member, process cartridge, and image forming apparatus

 #157
20170082938
2017-03-23

Field effect electric charger device and image forming device

 #158
20170075248
2017-03-16

Image forming apparatus that effects removal of residual toner

 #159
20170060016
2017-03-02

Roller for image forming apparatus

 #160
20170031313
2017-02-02

Image forming apparatus and cartridge

 #161
20160378014
2016-12-29

Power supply structure, charging device, assembly, and image forming apparatus

 #162
20160342104
2016-11-24

Image forming apparatus having an image bearing member charged with predetermined polarity and potential

 #163
20160334732
2016-11-17

Image forming apparatus having a voltage application unit for applying a voltage to a developing roller and a charger

 #164
20160313691
2016-10-27

Image forming apparatus including brush roller that charges photosensitive drum and removes toner remaining on circumferential surface of photosensitive drum

 #165
20160259260
2016-09-08

Charging device, process cartridge, and image forming apparatus

 #166
20160252878
2016-09-01

Cartridge and image forming apparatus

 #167
20160216688
2016-07-28

Photosensitive member unit and image forming apparatus including the same

 #168
20160216631
2016-07-28

Liquid electrography printing

 #169
20160209771
2016-07-21

Image forming apparatus

 #170
20160170322
2016-06-16

Image forming unit and image forming apparatus provided with same

 #171
20160161875
2016-06-09

Destaticizing brush and image forming apparatus

 #172
20160139530
2016-05-19

Conducting brush and image forming device

 #173
20160026151
2016-01-28

Image forming apparatus and cartridge

 #174
20150370207
2015-12-24

Image forming apparatus and method of warning life of charging roller in image forming apparatus

 #175
20150362885
2015-12-17

Image forming apparatus having an image bearing member charged with predetermined polarity and potential

 #176
20150346624
2015-12-03

Charge roll mounting assembly for an electrophotographic image forming device

 #177
20150261114
2015-09-17

Applying device and image forming apparatus

 #178
20150212446
2015-07-30

Semi-contact bias charge roller

 #179
20150139695
2015-05-21

Electrostatic imaging member and methods for using the same

 #180
20150125184
2015-05-07

Charging device, image forming unit and image forming apparatus

 #181
20150050052
2015-02-19

Charging roll, charging unit, process cartridge, image forming apparatus, and method of manufacturing charging roll

 #182
20150037070
2015-02-05

Printing using a metal-surface charging element

 #183
20150023698
2015-01-22

Conductive roller and image forming apparatus having the same

 #184
20150018181
2015-01-15

Charge roller

 #185
20140369717
2014-12-18

Printing with metal-surface charge element in glow discharge regime

 #186
20140249005
2014-09-04

Stabilizing polymers to control passive leaking of functional materials from delivery members

 #187
20140219680
2014-08-07

Image forming apparatus with decrement ratio between charging roller and photoconductor drum

 #188
20140147163
2014-05-29

Method for bias member charging a photoreceptor

 #189
20140126933
2014-05-08

Apparatus, printers, and charge roller assemblies

 #190
20140064790
2014-03-06

Charging device and image forming apparatus

 #191
20130302064
2013-11-14

Charging roller and process for its production

 #192
20130251406
2013-09-26

METHOD OF MANUFACTURING CHARGING ROLL, CHARGING ROLL, CHARGING UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #193
20130223885
2013-08-29

Charging device and image forming apparatus

 #194
20130129385
2013-05-23

Developing device and image forming apparatus including the same

 #195
20130129381
2013-05-23

Image forming apparatus

 #196
20130121730
2013-05-16

Image forming apparatus including charging unit positioning

 #197
20130108316
2013-05-02

Image forming apparatus and cartridge

 #198
20130101327
2013-04-25

Delivery apparatus and method

 #199
20130058667
2013-03-07

Charging device and image forming apparatus

 #200
20130017477
2013-01-17

Electrostatic imaging member and methods for using the same

 #201
20120321347
2012-12-20

Photoreceptor charging and erasing system

 #202
20120269534
2012-10-25

Image forming apparatus having voltage control

 #203
20120213552
2012-08-23

Image-forming apparatus

 #204
20120213551
2012-08-23

IMAGE FORMING APPARATUS

 #205
20120207506
2012-08-16

Charging device, image forming assembly and image forming apparatus using the charging device

 #206
20120148309
2012-06-14

Charging member and image forming apparatus

 #207
20120070192
2012-03-22

Electrostatic charging apparatus, image forming apparatus, electrostatic charging method and image forming method

 #208
20120033984
2012-02-09

Image forming apparatus

 #209
20120033983
2012-02-09

Image forming apparatus

 #210
20110299890
2011-12-08

Image forming apparatus

 #211
20110299866
2011-12-08

Image forming apparatus with positively-charged single layer type electrophotographic photoreceptors

 #212
20110292149
2011-12-01

CHARGING ROLLER, CHARGING UNIT USING THE SAME, AND IMAGE FORMING APPARATUS

 #213
20110274448
2011-11-10

IMAGE PROCESSING APPARATUS, CHARGING DEVICE, AND CHARGING ROLLER CONTROL METHOD

 #214
20110222910
2011-09-15

Charging device and image forming apparatus

 #215
20110211872
2011-09-01

Roll supporting mechanism, image forming apparatus and assembly body

 #216
20110158664
2011-06-30

Image forming apparatus

 #217
20110123219
2011-05-26

Bias charging overcoat

 #218
20110069989
2011-03-24

Developing unit and image forming apparatus having the same

 #219
20110058850
2011-03-10

Image forming apparatus to control photosensitive member irradiation

 #220
20100183334
2010-07-22

Charging unit and image forming apparatus

 #221
20100111550
2010-05-06

Image forming apparatus with rotation-speed-related adjustable photosensitive member charging bias

 #222
20100008685
2010-01-14

Charging apparatus with AC and DC current detection

 #223
20090311005
2009-12-17

Image forming unit and image forming apparatus including elastically deformable charging roller

 #224
20090232544
2009-09-17

Image forming apparatus

 #225
20090123184
2009-05-14

Charging device, image forming apparatus and method of charging image carrier of image forming apparatus

 #226
20090103936
2009-04-23

Image forming device

 #227
20090041502
2009-02-12

Image forming apparatus featuring first and second brushes for charging residual toner

 #228
20080317488
2008-12-25

Total layer thickness detection apparatus, charging device, image forming apparatus, total layer thickness detection method and computer readable medium storing program for total layer thickness detection

 #229
20080279588
2008-11-13

Conductive member, process cartridge including same, and image forming apparatus including the process cartridge

 #230
20080232850
2008-09-25

Image forming method and method of suppressing fogging in an image forming apparatus

 #231
20080226317
2008-09-18

Image Forming Apparatus and Method

 #232
20080219703
2008-09-11

Conductive member, process cartridge using conductive member, and image forming apparatus using process cartridge

 #233
20080219701
2008-09-11

Squarewave charging of a photoreceptor

 #234
20080166154
2008-07-10

Charging device, image forming apparatus and charging method

 #235
20080131155
2008-06-05

Charger, image forming apparatus, and charge control method

 #236
20080131154
2008-06-05

Charger, image forming apparatus, and charge control method

 #237
20080124130
2008-05-29

CHARGING DEVICE, IMAGE FORMING APPARATUS AND CHARGING METHOD

 #238
20080124124
2008-05-29

Image forming apparatus

 #239
20080122460
2008-05-29

Thickness variation detector of photoconductor, image formation unit, image formation apparatus and method for thickness variation of photoconductor

 #240
20080118258
2008-05-22

Image forming apparatus with a control unit that controls a charging bias voltage

 #241
20080107450
2008-05-08

Charging device, image forming apparatus and charging method

 #242
20080101807
2008-05-01

Method and system for improving electrophotographic run cost through cyclic efficiency of the charging device

 #243
20080056745
2008-03-06

Image forming method and apparatus for effectively charging an image carrier

 #244
20080038016
2008-02-14

Conductive member, process cartridge having conductive member, and image forming apparatus having process cartridge

 #245
20070280735
2007-12-06

Charging unit, process unit including the same, and image forming apparatus including the same

 #246
20070264034
2007-11-15

Image forming device

 #247
20070253739
2007-11-01

Image forming apparatus, charging roller, production method of charging roller, production apparatus of charging roller

 #248
20070253738
2007-11-01

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