| Patents for G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge (34,276) |
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| 09/29/1987 | US4696565 Cleaning device for a monochromatic copying machine |
| 09/29/1987 | US4696561 Fixing roller pressing mechanism for copying machines |
| 09/29/1987 | CA1227524A1 Cleaning apparatus for a charge retentive surface |
| 09/24/1987 | WO1987005720A1 Method and apparatus utilizing corona erase for improving a multi-color electrophotographic image |
| 09/23/1987 | CN86210535U Limit reaching monitoring device for waste toner |
| 09/22/1987 | US4695152 Charge erase device for an electrophotographic printing machine |
| 09/22/1987 | US4695151 Image forming apparatus |
| 09/17/1987 | DE3608272A1 Copier |
| 09/15/1987 | US4693588 Thermal air curtain for a copying/printing machine |
| 09/15/1987 | US4693586 Electrostatic copying apparatus |
| 09/15/1987 | US4693585 Contact fixing device with an improved cleaning roller |
| 09/15/1987 | US4693459 Sheet feeding system in recording apparatus |
| 09/09/1987 | EP0235618A2 Copying apparatus for laser beam records or the like combined with a sheet film or sheet handling apparatus |
| 09/08/1987 | US4692018 Cartridge-type apparatus for exchanging a developing device and toner supply container |
| 09/02/1987 | EP0234575A2 Image generating device |
| 09/02/1987 | CN87100307A Control for retracting cleaning blad of reproduction or printing machine |
| 09/01/1987 | US4691317 In a xerographic printing machine |
| 09/01/1987 | US4690544 Blade cleaning apparatus for flexible belt |
| 09/01/1987 | US4690543 Image forming apparatus with a plurality of colors |
| 08/27/1987 | WO1987005128A1 Liquid developer charge director control |
| 08/26/1987 | EP0233589A1 Cleaning device and multi-color electrophotographic apparatus |
| 08/25/1987 | US4688929 Combined alarm display and numerical display for electrophotographic copying machine |
| 08/25/1987 | US4688928 Automatic duplex copier with circulating document handler |
| 08/18/1987 | US4687320 Control system for a copier |
| 08/18/1987 | US4687319 Liquid carrier reclaiming apparatus |
| 08/18/1987 | US4687317 Document scanning system with selective edit mode |
| 08/12/1987 | EP0232136A2 Charging or discharging device |
| 08/12/1987 | EP0232064A2 Electrostatic photographic apparatus |
| 08/12/1987 | EP0232046A2 Copying machine |
| 08/11/1987 | US4685798 Cleaner for an electrophotographic copying machine |
| 08/11/1987 | US4685796 Apparatus for controlling image formation |
| 08/11/1987 | US4685792 Copying paper feed device for an electrostatic copying apparatus |
| 08/05/1987 | EP0230791A1 Full waste toner container detector |
| 08/05/1987 | EP0230733A1 Developing device and image forming apparatus including such a device |
| 08/04/1987 | US4684243 Optional output for test patches |
| 08/04/1987 | US4684242 Magnetic fluid cleaning station |
| 08/04/1987 | US4684240 Electrostatographic printing system |
| 08/04/1987 | US4684235 Image forming apparatus |
| 07/29/1987 | EP0230374A2 Retractable cleaning blade |
| 07/29/1987 | EP0230033A2 Cartridge unit for use in an image forming apparatus |
| 07/29/1987 | EP0229904A1 Electrostatic copying apparatus |
| 07/29/1987 | CN86108351A Improved print engine for color electrophotography |
| 07/28/1987 | US4683380 Apparatus and method for detecting a perforation on a web |
| 07/28/1987 | US4682882 Image recording apparatus |
| 07/28/1987 | US4682881 Apparatus for producing an electrophotographic print |
| 07/28/1987 | US4682877 Electrophotographic copying apparatus with a selecting means of magnification changing elements |
| 07/21/1987 | US4681426 Brush end seals for blade cleaner housing |
| 07/21/1987 | US4681425 Image forming apparatus |
| 07/21/1987 | US4681422 Paper supply device for an electrostatic photographic printer |
| 07/15/1987 | EP0228749A1 Image-forming apparatus |
| 07/14/1987 | US4680641 Image processing system |
| 07/14/1987 | US4680040 Electrostatographic reproducing apparatus |
| 07/08/1987 | EP0228062A2 Photoreceptor cartridge unit |
| 07/08/1987 | CN86108830A Cartridge unit for use in image forming apparatus |
| 07/07/1987 | US4678322 Method and apparatus for the prevention of unauthorized copying of documents |
| 07/07/1987 | US4678318 Image forming apparatus |
| 07/07/1987 | US4678316 Image forming apparatus adapted to enter an interrupt copying mode and an energy saving mode |
| 07/01/1987 | EP0227488A2 Full waste toner container detector |
| 07/01/1987 | EP0227328A2 A copying machine |
| 07/01/1987 | EP0227243A1 Image forming apparatus |
| 07/01/1987 | EP0227242A1 Image forming apparatus |
| 07/01/1987 | EP0226792A1 Method and apparatus for producing transparent foil copies |
| 07/01/1987 | CN86108833A Waste toner full-detector |
| 07/01/1987 | CN86108832A Waste toner full-detector |
| 07/01/1987 | CN86108823A Cassette light sensitive apparatus |
| 06/30/1987 | US4677310 Power supply control device for copier having timer |
| 06/24/1987 | EP0226454A2 A magnetic developer conveying device |
| 06/24/1987 | EP0226233A1 Method of and device for printing images on halves of both sides of sheets |
| 06/24/1987 | EP0226213A1 A wet type color electrophotographic copying machine |
| 06/23/1987 | US4675741 Image forming apparatus |
| 06/23/1987 | US4675437 Cycloaliphatic triisocyanates |
| 06/23/1987 | US4674865 Cleaning device |
| 06/23/1987 | US4674864 Control means for varying the image-free edge zones of a copy in a reproduction device |
| 06/23/1987 | US4674862 Image-forming apparatus with a document-feeding device |
| 06/23/1987 | US4674859 Device for fixing a toner image in an electrostatic copying apparatus |
| 06/23/1987 | US4674858 Photoconductive element unit for laser printer or the like |
| 06/23/1987 | CA1223299A1 Recirculative document duplex copying |
| 06/23/1987 | CA1223298A1 Recirculative document duplex copying |
| 06/23/1987 | CA1223297A1 Xerographic apparatus and process with backside photoconductor imaging |
| 06/23/1987 | CA1223289A1 Recirculative document inverter |
| 06/23/1987 | CA1223288A1 Duplex tray system for use in copier/duplicating machine |
| 06/18/1987 | WO1987003710A1 Apparatus and method for electrophotographically producing copies from originals having continuous-tone and other content |
| 06/18/1987 | WO1987003709A1 Electrophotographic reproduction apparatus and method with selective screening |
| 06/16/1987 | US4673990 Printer having control means for stopping the printing operation thereof and inhibiting data output from memory |
| 06/16/1987 | US4673956 Reduced vibration in a two part assembly for an image recording apparatus |
| 06/16/1987 | US4673284 Cleaning device |
| 06/16/1987 | US4673283 Copying machine |
| 06/16/1987 | US4673281 Image forming apparatus |
| 06/16/1987 | EP0225578A1 Driving device for sliding elements in air-tight areas of non-mechanical printing or copying machines |
| 06/11/1987 | DE3641597A1 Method for driving a photoreceptor in an electrophotographic copying operation |
| 06/09/1987 | US4671646 Toner monitor control mechanism |
| 06/09/1987 | US4671645 Driving mechanism for turning a photosensitive drum in an electrophotographic copying machine |
| 06/09/1987 | US4671644 Electrostatic copying apparatus with openable housing |
| 06/09/1987 | US4671643 Controlling method of a copying machine |
| 06/02/1987 | US4669864 Image forming apparatus |
| 06/02/1987 | US4669863 Copying apparatus provided with paper size memory function |
| 06/02/1987 | US4669862 Program controlled image forming apparatus |
| 06/02/1987 | US4669855 Electrophotographic apparatus for obtaining visible images by irradiation of an amorphous silicon photosensitive member and method therefore |
| 06/02/1987 | US4669854 Electrostatic charge-removing device having filter |
| 05/26/1987 | US4668079 Electrophotographic copying machine with a function for selecting half-sized copy paper |