| Patents for G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge (34,276) | 
|---|
| 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 |