| Patents for G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge (34,276) |
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| 10/25/1988 | US4780806 Control device for an apparatus |
| 10/25/1988 | US4780745 Both side recording apparatus |
| 10/25/1988 | US4780397 Process for preparing film positive sheets for forging-by-copying-proof prints and prints therefrom |
| 10/18/1988 | US4779119 Grooved cleaning blade with end seals |
| 10/18/1988 | US4778170 Copy sheet tray with adjustable back stop and scuffer mechanism |
| 10/13/1988 | DE3811182A1 Picture generating device |
| 10/11/1988 | US4777554 Method and apparatus for detecting charger abnormality |
| 10/11/1988 | US4777511 Automatic document feeding device for an electrophotographic copying apparatus |
| 10/11/1988 | US4777509 System for loading sheet materials on a rotary drum |
| 10/11/1988 | CA1243071A1 Process unit and an image forming apparatus using the same |
| 10/05/1988 | EP0285139A2 An image forming apparatus |
| 10/04/1988 | US4775781 Counter reset arrangement |
| 09/28/1988 | EP0284307A2 Copier control system |
| 09/27/1988 | US4774544 Counter apparatus for an image forming apparatus for counting and managing the number of image forming operations |
| 09/27/1988 | US4774533 Copying apparatus |
| 09/27/1988 | CA1242315A1 Electrostatographic reproducing apparatus |
| 09/21/1988 | EP0141851B1 Improved electrophotographic apparatus and method for producing continuous-tone copy |
| 09/20/1988 | US4772915 Electrophotographic printer having compact image development arrangement |
| 09/20/1988 | US4772914 Electrophotographic copying apparatus |
| 09/20/1988 | US4772901 Electrostatic printing utilizing dehumidified air |
| 09/20/1988 | US4772253 Endless belt |
| 09/14/1988 | EP0282353A2 Image recording apparatus |
| 09/14/1988 | EP0282223A1 Device for circulating developer |
| 09/14/1988 | EP0281614A1 Document treating method for hindering the photocopying reproduction, and products for implementing such method |
| 09/13/1988 | US4771360 Grounding brush |
| 09/13/1988 | US4771318 Copying machine with multiple transport function |
| 09/13/1988 | US4771313 Service life indicator for a process cartridge |
| 09/07/1988 | EP0281372A1 Device for detecting life of image forming process unit, opening of seal of the unit and attachement of the unit to an image forming apparatus |
| 09/07/1988 | EP0281350A1 Paper resistant to photocopying and/or transmission by telefacsimile |
| 09/06/1988 | US4769676 Image forming apparatus including means for removing residual toner |
| 09/06/1988 | US4769674 Original feeding device |
| 09/06/1988 | US4769671 Apparatus for positioning a photoconductive belt for development |
| 09/06/1988 | US4769669 Image forming apparatus with multiple driving means |
| 08/31/1988 | EP0280542A2 An image forming apparatus |
| 08/31/1988 | EP0279856A1 Copier operable in an insert mode. |
| 08/30/1988 | US4768066 Copying machine |
| 08/30/1988 | US4768062 Cleaning device |
| 08/30/1988 | US4768055 Image forming machine having a toner recycling unit |
| 08/24/1988 | EP0279526A2 Security document |
| 08/23/1988 | US4766463 Image forming apparatus |
| 08/23/1988 | US4766462 Reproducing machine |
| 08/23/1988 | US4766455 Process unit for an imaging apparatus |
| 08/17/1988 | EP0278237A1 Roll fuser jam clearance mechanism |
| 08/17/1988 | EP0277982A1 Marking of articles with photochromic compounds. |
| 08/16/1988 | US4764790 Method for cleaning photoreceptor of image forming apparatus |
| 08/16/1988 | US4764788 Copying machine equipped with a movable original holder |
| 08/16/1988 | US4764448 Amorphous silicon hydride photoreceptors for electrophotography, process for the preparation thereof, and method of use |
| 08/11/1988 | WO1988005931A1 Play-free bearing installation for guide drums in printers or photocopiers |
| 08/09/1988 | US4763241 Image forming apparatus |
| 08/09/1988 | US4763174 Magnification selecting device in a photocopier |
| 08/09/1988 | US4763170 Composite copying apparatus |
| 08/09/1988 | US4763168 Reproducing apparatus including toner removal apparatus utilizing electrostatic attraction |
| 08/09/1988 | US4763164 Image forming apparatus |
| 08/09/1988 | US4763161 Copier operable in an insert mode |
| 08/03/1988 | EP0276910A1 Process cartridge and multicolor image forming apparatus using same |
| 08/03/1988 | EP0276581A1 Method and device for removing toner from a photoconductive drum in a xerographic apparatus |
| 08/02/1988 | US4761709 Partially carbonized polyacrylonitrile fibers |
| 08/02/1988 | US4761674 Full waste toner container detector |
| 08/02/1988 | US4761671 Electrophotographic subprocess for apparatus using discharged area toning |
| 08/02/1988 | US4761667 Image forming apparatus |
| 08/02/1988 | US4761662 Image forming apparatus comprising an image bearing member driven at a predetermined constant speed |
| 07/28/1988 | WO1988005564A1 Electrostatographic apparatus having a transfer drum |
| 07/28/1988 | DE3701476A1 Method for making disposable cartridges for photocopiers and laser printers reusable |
| 07/28/1988 | DE3701475A1 Cartridge for copiers (copying machines) and laser printers |
| 07/27/1988 | EP0276192A1 Method of making throw-away-process-kits for photocopying apparatuses and laser printers reusable |
| 07/26/1988 | US4760424 Multiply separable copier and developing apparatus |
| 07/26/1988 | US4760423 Apparatus and method for reducing hydrocarbon emissions from a liquid-based electrophotographic copying machine |
| 07/26/1988 | US4760411 Electrostatic recording apparatus |
| 07/26/1988 | CA1239661A1 Drum support apparatus |
| 07/19/1988 | US4758865 Magnification selecting device for a copier |
| 07/14/1988 | WO1988005178A1 Microfilm printer apparatus and method |
| 07/12/1988 | US4757471 For producing hard copies of information to be recorded |
| 07/12/1988 | US4757356 Copying with auto sort/stack selection |
| 07/12/1988 | US4757349 Cleaning device and process for use in image forming apparatus |
| 07/12/1988 | US4757348 High speed electronic reprographic/printing machine |
| 07/12/1988 | US4757346 Optical system for scanning and flash exposing of document |
| 07/12/1988 | US4757345 Electrophotographic system |
| 07/12/1988 | US4757344 Imaging apparatus with detachable cartridges |
| 07/12/1988 | US4757342 Photoreceptor cartridge unit |
| 07/12/1988 | US4756687 Roll fuser jam clearance mechanism |
| 07/05/1988 | US4755853 Cleaning device |
| 07/05/1988 | US4755851 Magnification-variable copier |
| 07/05/1988 | US4755837 Direct electrostatic printing apparatus and printhead cleaning structure therefor |
| 07/05/1988 | US4754960 Dual mode copier document work station and web guide |
| 07/05/1988 | CA1238940A1 Apparatus for producing an electrophotographic print |
| 07/05/1988 | CA1238939A1 Apparatus for producing an electrophotographic print |
| 07/05/1988 | CA1238938A1 Apparatus and method for forming reproductions with desired margin areas |
| 07/04/1988 | EP0259448A4 Liquid developer charge director control. |
| 06/30/1988 | DE3743587A1 Cleaning device for electrophotographic image-producing devices |
| 06/29/1988 | EP0272486A1 Cleaning device in image-forming machine |
| 06/29/1988 | CN87107672A Direct electrostatic printing apparatus and printhead cleaning structure therefor |
| 06/28/1988 | US4754304 Drum cleaning in an electrophotographic copying machine |
| 06/28/1988 | US4754303 Copying apparatus |
| 06/28/1988 | US4754302 Wet type color electrophotographic copying machine |
| 06/28/1988 | US4754293 Electrophotographic type image forming apparatus |
| 06/22/1988 | EP0272156A2 Automatic copier signature set production |
| 06/22/1988 | EP0272094A2 Process unit for an imaging apparatus |
| 06/22/1988 | EP0272093A2 Process unit for an imaging apparatus |
| 06/22/1988 | EP0271836A2 Filter for removing smoke and toner dust in electrophotographic/electrostatic recording apparatus |
| 06/22/1988 | EP0271720A1 Multiple-unit type copying apparatus |