| Patents for G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge (34,276) |
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| 02/21/1989 | US4806977 Image forming apparatus with disconnectable carriage drive |
| 02/21/1989 | US4806973 Color image-forming apparatus for producing overlapped monochrome images |
| 02/21/1989 | US4806970 Recording apparatus having an accessible housing |
| 02/21/1989 | US4806968 Drive unit for a copying machine |
| 02/21/1989 | US4806967 Electrostatographic reproducing machine and process unit therefor |
| 02/21/1989 | CA1250344A1 Reversal image development type electrophotographic printing system |
| 02/14/1989 | US4805067 Removal of static from the platen of a copying apparatus |
| 02/14/1989 | US4804999 Mag brush cleaner erase light |
| 02/14/1989 | US4804993 Photoconductive member mounting mechanism for an electrophotographic reproduction apparatus |
| 02/14/1989 | US4804244 Connector for optical fiber |
| 02/14/1989 | US4803752 Cleaning device |
| 02/09/1989 | WO1989001189A1 Liquid toner recycling system and method |
| 02/09/1989 | WO1989001188A1 Electrostatographic apparatus having a supporting assembly for locating a photoconductive member |
| 02/09/1989 | DE3825159A1 Printer |
| 02/08/1989 | EP0302774A2 Anticopying printing-writing medium and associated method |
| 02/08/1989 | EP0302415A2 Image forming apparatus having device for detecting concentration of developing agent |
| 02/07/1989 | US4803521 Process kit and image forming apparatus using the same |
| 02/07/1989 | US4803520 Electrophotographic apparatus for making superposed images |
| 02/07/1989 | US4803516 Color image forming apparatus with color information detection |
| 02/07/1989 | US4803512 Image forming cartridge for providing uniform corona charging |
| 02/07/1989 | US4803511 Sliding plate assembly |
| 02/07/1989 | US4803510 Copying machine having removable process unit in a housing |
| 02/01/1989 | EP0301788A1 Copying apparatus with display |
| 02/01/1989 | EP0301459A2 Image forming apparatus |
| 01/31/1989 | US4801975 Eraser lamp and transparent guide plate in electrostatic image transfer |
| 01/31/1989 | US4801974 Safety device for fixing heater |
| 01/31/1989 | US4801971 Liquid control assembly |
| 01/31/1989 | US4801967 Voltage sensing in A.C. corotrons |
| 01/31/1989 | US4801965 Color recording apparatus |
| 01/31/1989 | US4801919 Method for preventing flaring in electrographic recording and recording medium therefor |
| 01/31/1989 | US4800839 Developing device for electrophotographic color copier |
| 01/24/1989 | US4800482 Sequence controller using pulse counts to activate/deactivate controlled elements |
| 01/24/1989 | US4800147 Simultaneous cleaning and developing |
| 01/24/1989 | US4799452 Liquid toner recycling system and method |
| 01/18/1989 | EP0299502A2 Process unit for image forming apparatus |
| 01/17/1989 | US4799081 Copying system having copying and service program modes |
| 01/17/1989 | US4798373 Sheet feeding device for use in an electrophotographic information printer |
| 01/11/1989 | EP0298761A1 Image-forming machine |
| 01/11/1989 | EP0298241A2 Image production device vacuum cleaner |
| 01/11/1989 | EP0298153A1 Copy counter and image forming apparatus having copy counter |
| 01/10/1989 | US4797707 Image forming apparatus |
| 01/10/1989 | US4797703 Mechanism for locating a flexible photoconductor relative to a plurality of development stations |
| 01/04/1989 | EP0297917A2 Electrostatographic machine |
| 01/03/1989 | US4796063 Multiple-unit type copying apparatus |
| 01/03/1989 | US4796057 Toner cleaning apparatus |
| 01/03/1989 | US4796054 Control apparatus for a color copying machine |
| 01/03/1989 | US4796048 Resilient intermediate transfer member and apparatus for liquid ink development |
| 12/28/1988 | EP0296308A1 Electrostatic copying apparatus |
| 12/28/1988 | EP0296169A1 Method and apparatus utilizing corona erase for improving a multi-color electrophotographic image. |
| 12/27/1988 | US4794424 Copying apparatus |
| 12/27/1988 | US4794423 Printing or copying apparatus |
| 12/27/1988 | US4794421 Apparatus and method for electrophotographically producing copies from originals having continuous-tone and other content |
| 12/27/1988 | US4794419 Integral document processing apparatus equipped with an image forming system and a facsimile transmission system |
| 12/20/1988 | US4792828 Image forming apparatus for forming a plurality of image from different originals on one transfer sheet |
| 12/20/1988 | US4792827 Display device |
| 12/20/1988 | US4792824 Electrostatic copying apparatus having reduced size and complexity |
| 12/13/1988 | US4791455 Color electrophotographic apparatus and method of cleaning a photosensitive medium |
| 12/13/1988 | US4791454 Removable photoconductive element unit for image-forming apparatus |
| 12/13/1988 | US4791451 Copying apparatus having automatic document feeder |
| 12/13/1988 | US4791449 System for prevention of unauthorized copying |
| 12/13/1988 | US4791448 Heat roller fixing device for an electrophotographic printing apparatus |
| 12/07/1988 | EP0293968A2 Reprographic machine |
| 12/07/1988 | EP0293550A2 Paper size selection apparatus for use in copier machines |
| 12/06/1988 | US4789876 Portable type image forming apparatus |
| 11/30/1988 | EP0293222A2 Secure paper product |
| 11/30/1988 | EP0293176A2 Photosensitive drums |
| 11/30/1988 | EP0293038A2 Reprographic machine |
| 11/30/1988 | EP0221281B1 Device for purging a developer mixture containing a magnetic component from the developer unit of a non-mechanical printing or copying machine |
| 11/29/1988 | US4788575 Copying machine for detecting a workable document turnover unit |
| 11/29/1988 | US4788573 Image forming apparatus |
| 11/29/1988 | US4788564 Board recording apparatus with reduced smudge |
| 11/29/1988 | CA1245708A1 Compact document handling system |
| 11/29/1988 | CA1245706A1 Document registration system |
| 11/23/1988 | EP0291777A2 Copier with an optional facsimile function |
| 11/22/1988 | US4786943 Device for removing residual developer particles from a photoconductive member |
| 11/22/1988 | US4786941 Method of protection of confidential documents |
| 11/22/1988 | US4786938 Process unit for an imaging apparatus |
| 11/22/1988 | US4786937 Processing cartridge with one time function sheet |
| 11/22/1988 | US4786924 Hybrid control system for a copier |
| 11/22/1988 | US4786084 Volumetric holographic photocopy prevention film |
| 11/22/1988 | US4786041 Document handler jam clearance and job recovery system |
| 11/22/1988 | CA1245277A1 Voltage control bar for electrophotography |
| 11/17/1988 | EP0290976A2 Density control system for a digital copier |
| 11/17/1988 | EP0290963A2 Copier with an optional facsimile function |
| 11/17/1988 | EP0290949A2 Multi-copy system for a digital copier |
| 11/15/1988 | US4785372 Method and device for charging or discharging member |
| 11/15/1988 | US4785325 Adjustable speed control for a document imaging system |
| 11/15/1988 | US4785324 Electrophotographic apparatus and method for preventing the lowering of a charging voltage at a photoreceptor |
| 11/15/1988 | US4785319 Electrographic apparatus |
| 11/15/1988 | US4785317 Double-side printer |
| 11/09/1988 | CN88219536U Duplicator with the control duplicating key by foot-pedal switch |
| 11/08/1988 | US4783716 Charging or discharging device |
| 11/08/1988 | US4783682 Copy paper delivery timing control device |
| 11/08/1988 | US4783679 Copying machine for copying a plurality of small originals in a single operation |
| 11/08/1988 | US4783678 Recording apparatus |
| 11/01/1988 | US4782359 Fixing unit for shell-type image formation apparatuses and a process for the placement and removal of the same |
| 10/27/1988 | DE3810559A1 Reinigungsvorrichtung fuer einen fotoleitfaehigen drucker oder kopierer Cleaning device for a printer or copier fotoleitfaehigen |
| 10/27/1988 | DE3810558A1 Verbessertes elektrografisches druck-/kopiergeraet mit fotoleitfaehigem band Improved electrographic pressure / kopiergeraet with photoconductive belt |
| 10/27/1988 | DE3810557A1 Vorrichtung zur beseitigung teilchenfoermiger entwicklerrueckstaende von einem fotoleitfaehigem element Apparatus for removal of particulate entwicklerrueckstaende of a photoconductive element |
| 10/26/1988 | EP0288175A1 Cleaning system |