| Patents for G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge (34,276) | 
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| 06/06/1989 | US4835807 Cleaning brush | 
| 06/01/1989 | WO1989005000A1 Blade for electrophotographic apparatus | 
| 05/30/1989 | US4835572 Image forming apparatus enabling reversible selection of a default mode of operation | 
| 05/30/1989 | US4835571 Corona discharging unit for use in copying machine | 
| 05/30/1989 | US4835568 Removable process unit with charging device located relative to main assembly | 
| 05/30/1989 | US4835028 Secure paper product | 
| 05/30/1989 | US4834360 Job batching system for high capacity copier with RDH | 
| 05/24/1989 | EP0317514A1 Process for producing a document of which at least a part is not reproducible by means of photocopying | 
| 05/24/1989 | EP0317242A2 Cleaning device for conductive magnetic toner and image recording apparatus using same | 
| 05/24/1989 | CN1033074A Monoclonal antibody specific to a novel epitope of the lfa-1 antigen of human t lymphocytes | 
| 05/18/1989 | WO1989004175A1 Monoclonal antibody specific to a novel epitope of the lfa-1 antigen of human t lymphocytes | 
| 05/18/1989 | DE3837527A1 Picture generating device | 
| 05/18/1989 | DE3836890A1 Image generating device | 
| 05/17/1989 | EP0316183A2 Toner recovery device | 
| 05/17/1989 | EP0316010A2 Image forming apparatus with air exhaustion | 
| 05/17/1989 | EP0315800A1 Dry toner removable developing cartridge | 
| 05/16/1989 | US4831603 Timing control device for driving mechanism | 
| 05/16/1989 | US4831488 Device for removing electrostatic charge | 
| 05/16/1989 | US4831420 Copier/document handler customer variable registration system | 
| 05/16/1989 | US4831414 Copying apparatus capable of copying a document with binding margin | 
| 05/16/1989 | US4831412 Copying machine | 
| 05/16/1989 | US4831411 Image processing apparatus capable of forming images on both sides or overlying images on one side of a recording material | 
| 05/16/1989 | US4831407 Process unit for an imaging apparatus | 
| 05/10/1989 | EP0315427A2 Document handler jam clearance and job recovery | 
| 05/10/1989 | CN1032827A Anti-copying medium for writing or printing and associated method | 
| 05/09/1989 | US4829337 Cleaning device for a photoconductive printer or copier | 
| 05/09/1989 | US4829336 Toner concentration control method and apparatus | 
| 05/09/1989 | US4829335 Process cartridge and image forming apparatus using same | 
| 05/09/1989 | US4829334 Image-forming machine having a cover member for covering part of an image bearing member | 
| 05/09/1989 | US4829217 Device for controlling movement of a rotating element | 
| 05/09/1989 | CA1253893A1 System for loading sheet materials on a rotary drum | 
| 05/03/1989 | EP0314579A2 A cleaning blade for image forming apparatuses | 
| 05/03/1989 | EP0314175A2 A cleaning unit of a copying apparatus | 
| 05/03/1989 | EP0314140A2 Image-forming machine | 
| 05/02/1989 | US4827311 Apparatus for cleaning particulate matter from a moving web | 
| 05/02/1989 | US4827308 Process unit for an imaging apparatus | 
| 05/02/1989 | US4827306 Discharging apparatus and method for use in a copying machine | 
| 05/02/1989 | US4827283 Lighting control method and a lighting control apparatus of a light source in an image forming apparatus | 
| 04/26/1989 | EP0198897B1 Electrophotographic information printer with automatical duplex sheet printing | 
| 04/26/1989 | CN2036678U De-electrifying lamp for automatic copier | 
| 04/25/1989 | US4825256 Image recording device | 
| 04/25/1989 | US4825249 Perfluoropolyether coatings | 
| 04/25/1989 | US4823689 Elastic roller with internal openings for use with image forming apparatus | 
| 04/25/1989 | CA1253195A1 Wet type color electrophotographic copying machine | 
| 04/25/1989 | CA1253193A1 Method and apparatus for producing printed tabs | 
| 04/19/1989 | EP0312230A2 An image forming apparatus | 
| 04/19/1989 | EP0312128A2 Reprographic machine | 
| 04/19/1989 | EP0311646A1 Multi-purpose toner container for non-mechanical printers and copiers. | 
| 04/19/1989 | EP0142550B1 Apparatus and method for electrophotographically producing copy having continuous-tone and other content | 
| 04/19/1989 | EP0141850B1 Apparatus and method for electrophotographically producing color copy continuous-tone originals and other content of selective color | 
| 04/18/1989 | US4823161 Cleaning blade for electrophotographic copying machines or the like | 
| 04/18/1989 | US4823160 Method and apparatus for loading/unloading a drum member | 
| 04/18/1989 | US4823153 Cleaning system for non-impact printer | 
| 04/13/1989 | DE3832415A1 Copier which can be split into two parts | 
| 04/12/1989 | EP0311021A1 A link mechanism provided between an upper frame and a lower frame of an image forming apparatus | 
| 04/11/1989 | US4821077 Cleaner for toner fixing device | 
| 04/11/1989 | US4821066 Nonimpact printer | 
| 04/11/1989 | US4821063 Image forming apparatus | 
| 04/11/1989 | US4819578 Toner collecting device | 
| 04/06/1989 | DE3832289A1 Artikel mit integriertem marker Articles with integrated marker | 
| 04/04/1989 | US4819031 Rotating vane toner transport for blade cleaning on horizontal surfaces | 
| 04/04/1989 | US4819030 Cleaning device for cleaning toner image carrier | 
| 04/04/1989 | US4819026 Cleaning apparatus for a charge retentive surface | 
| 04/04/1989 | US4819023 Automatic document feeder for automatically feeding a plurality of stacks of originals | 
| 04/04/1989 | US4819022 Automatic exposure device for copying machine | 
| 04/04/1989 | US4819021 Copier on-line variable tab cutter | 
| 04/04/1989 | CA1252146A1 Copier adjustment method and apparatus | 
| 03/29/1989 | EP0309191A2 Copying with auto sort/stack selection | 
| 03/29/1989 | EP0308431A1 Device enabling the clean replacement of a toner container in a toner transfer system of a non-mechanical printer or copier. | 
| 03/28/1989 | US4816877 Refillable toner cartridge and method of manufacture thereof | 
| 03/28/1989 | US4816868 Image forming apparatus | 
| 03/28/1989 | US4816867 Electrophotographic copying machine | 
| 03/28/1989 | US4815378 Method and device for printing images on halves of both sides of sheets | 
| 03/22/1989 | EP0307942A2 Mechanisms in image recording apparatus | 
| 03/22/1989 | EP0307540A1 Image transfer device | 
| 03/21/1989 | US4814823 Image forming apparatus | 
| 03/21/1989 | US4814817 Image forming device with separable units | 
| 03/21/1989 | US4814815 Image generating device having a reflecting plate for eliminating charge on a portion of the photoreceptor of an electrophotographic copying machine | 
| 03/14/1989 | US4812878 For removing residual toner | 
| 03/14/1989 | US4812877 Copying apparatus with multiple copy modes | 
| 03/14/1989 | US4812876 Motor control device for a copying machine | 
| 03/14/1989 | US4812875 Electrophotographic copying machine having an editorial function | 
| 03/14/1989 | US4812874 Image forming apparatus capable of designating area to be copied of original | 
| 03/14/1989 | US4811867 Particle anti-bridging apparatus | 
| 03/14/1989 | US4811839 Film belt loader package | 
| 03/09/1989 | WO1989002136A1 Covering and cleaning device for the optical character generator in an electrophotographic printing device | 
| 03/08/1989 | EP0305642A1 Method of and device for controlling an image forming device | 
| 03/07/1989 | US4811053 Copy counter and image forming apparatus having copy counter | 
| 03/07/1989 | US4811051 Image forming device | 
| 03/07/1989 | US4811050 Apparatus for the forming of images with a cleaning device for a corona wire | 
| 03/07/1989 | US4811045 Electrostatic image forming apparatus | 
| 03/01/1989 | EP0179815B1 A cleaning method and apparatus for a polychromatic electrophotographic copier | 
| 02/28/1989 | US4809033 Image forming apparatus and process cartridge therefor | 
| 02/28/1989 | US4809027 Offset electrostatic printing utilizing a heated air flow | 
| 02/23/1989 | WO1989001652A1 Particulate material cleaning apparatus | 
| 02/22/1989 | EP0304314A2 Process unit for an imaging apparatus | 
| 02/21/1989 | US4807041 Microfilm reader scanner capable of editing image | 
| 02/21/1989 | US4806991 Mechanism for locating a flexible photoconductor relative to a development station | 
| 02/21/1989 | US4806981 Cleaning unit in electrophotographic copier | 
| 02/21/1989 | US4806978 Image editing system |