| Patents for G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge (34,276) |
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| 02/09/1988 | US4724459 Apparatus for selectively recycling used toner or delivering such toner to a container |
| 02/03/1988 | EP0255081A1 Offset electrostatic printer and imaging process utilizing heated air |
| 02/02/1988 | US4723150 Dust control method and apparatus |
| 02/02/1988 | US4723149 Image forming apparatus having a function for checking to copy a secret document |
| 02/02/1988 | US4723146 Color electrophotographic copying apparatus |
| 02/02/1988 | US4723144 Processing station |
| 01/27/1988 | EP0254571A1 Toner cleaning apparatus |
| 01/27/1988 | EP0254498A1 A liquid carrier recovery system |
| 01/26/1988 | US4721969 Process of correcting for color misregistering in electrostatic color recording apparatus |
| 01/20/1988 | EP0253672A1 Reprographic machines |
| 01/20/1988 | EP0253641A2 Copying machine equipped with a movable original holder |
| 01/19/1988 | US4720727 Image forming apparatus |
| 01/14/1988 | DE3623674A1 Copier |
| 01/13/1988 | EP0252122A1 Apparatus and method for electrophotographically producing copies from originals having continuous-tone and other content. |
| 01/12/1988 | US4719492 Scan type anamorphic magnifying apparatus |
| 01/12/1988 | US4719491 Copier |
| 01/07/1988 | EP0251823A2 Waste toner collecting system |
| 01/07/1988 | EP0251693A1 Process cartridge and image forming apparatus using same |
| 01/07/1988 | EP0250653A1 Electrophotographic method for reversal or positive-positive image formation |
| 01/06/1988 | CN87102562A Thermal air curtain for a copying/printing macine |
| 01/05/1988 | US4717937 Pressure device of fixing roller |
| 01/05/1988 | CA1231111A1 Small document set recirculative copying |
| 12/29/1987 | US4716438 High speed electronic reprographic/printing machine |
| 12/29/1987 | US4716436 Charge erase device with flare light control |
| 12/23/1987 | EP0249928A2 Image forming machine |
| 12/22/1987 | US4714945 Light exposure controller |
| 12/22/1987 | US4714944 Variable-magnification copying machine with automatic magnification |
| 12/22/1987 | US4714942 Reversal image development type electrophotographic printing system |
| 12/22/1987 | US4714338 Electrostatic copying apparatus |
| 12/22/1987 | US4714337 Safety means for process kit |
| 12/17/1987 | WO1987007043A3 Optional output for test patches |
| 12/17/1987 | DE3719711A1 Control device for an image generating device |
| 12/16/1987 | EP0249479A2 Copier with selective editing |
| 12/16/1987 | EP0249386A2 Reproduction machine with flash control system |
| 12/15/1987 | US4713674 Exposure device for sheets |
| 12/15/1987 | US4712908 Image forming apparatus |
| 12/15/1987 | US4712906 Electrostatographic apparatus having a transfer drum |
| 12/09/1987 | EP0248682A2 Image formation apparatus |
| 12/08/1987 | US4711569 Original illumination device with an automatic illumination control |
| 12/08/1987 | US4711564 Mechanism for the drive of actuation elements movable in sealed regions of non-mechanical printer or copier means |
| 12/08/1987 | US4711562 Image-forming apparatus |
| 12/08/1987 | US4711561 Toner recovery device |
| 12/08/1987 | US4711556 Copying machine with an interrupt function |
| 12/08/1987 | US4711555 Image forming apparatus having means for preventing damage to a photosensitive member |
| 12/08/1987 | US4711552 Synchronizing electrostatic copy formation |
| 12/08/1987 | US4711550 Electrostatic copying apparatus |
| 12/08/1987 | US4711549 Contact fixing device with an improved cleaning mechanism |
| 12/08/1987 | CA1230158A1 Toner dispensing control |
| 12/02/1987 | EP0247867A2 Method for cleaning photoreceptor of image forming apparatus |
| 12/02/1987 | EP0247602A1 Image-forming machine |
| 12/01/1987 | US4710018 Variable magnification copying apparatus |
| 11/25/1987 | EP0246627A1 Method and apparatus for loading / unloading a drum member |
| 11/25/1987 | EP0246459A2 Copier adjustment method and apparatus |
| 11/24/1987 | US4708470 Operation panel and a displaying method for a copying machine |
| 11/24/1987 | US4708469 Interactive system for signature production |
| 11/24/1987 | US4708464 Device for erasing unnecessary images for use in reader-printers |
| 11/24/1987 | US4708455 Image forming apparatus and a process unit for use in the same |
| 11/24/1987 | CA1229651A1 Apparatus for producing multiple image simplex and duplex copies in a single pass |
| 11/19/1987 | WO1987007043A2 Optional output for test patches |
| 11/19/1987 | WO1987007042A1 Recirculating document feeder |
| 11/19/1987 | EP0245924A1 Electrographic stylus recording apparatus |
| 11/19/1987 | EP0245678A2 An electrophotographic apparatus |
| 11/17/1987 | US4707748 Image recording apparatus |
| 11/17/1987 | US4707715 Printing apparatus |
| 11/17/1987 | US4707408 Roll for use in business machine |
| 11/17/1987 | US4707114 Method of automatically adjusting image density in image forming device |
| 11/17/1987 | US4706320 Electrostatic charging and cleaning brushes |
| 11/17/1987 | CA1229371A1 Cleaning apparatus for charge retentive surface |
| 11/17/1987 | CA1229370A1 Moving magnet cleaner |
| 11/17/1987 | CA1229369A1 Copiers for simplex and duplex copying |
| 11/17/1987 | CA1229368A1 Copy sheet tray with adjustable back stop and scuffer mechanism |
| 11/17/1987 | CA1229366A1 Electrophotographic copier having readily removable drum and improved drive system therefor |
| 11/10/1987 | US4705393 Copying apparatus with a document feeder |
| 11/10/1987 | US4705391 Method and device for controlling an image forming device |
| 11/10/1987 | US4705388 Method and apparatus for determining when a layer of tacky material present on a cleaning member needs to be rejuvenated |
| 11/10/1987 | US4705387 Cleaning apparatus for charge retentive surface |
| 11/10/1987 | US4705384 Image forming apparatus with locking means |
| 11/04/1987 | EP0244104A2 Process unit for an imaging apparatus |
| 10/29/1987 | DE3713520A1 Elektrofotografische druckvorrichtung Electrophotographic printing device |
| 10/27/1987 | US4702934 Electrophotographic photosensitive member, process and apparatus for the preparation thereof |
| 10/27/1987 | US4702591 Cleaning device for an image forming apparatus |
| 10/27/1987 | US4702589 Copying machine that copies halves of a document on different recording medium surfaces |
| 10/27/1987 | US4702588 Apparatus for producing an electrophotographic print |
| 10/27/1987 | US4702587 Shell-type electrostatic copying apparatus |
| 10/21/1987 | CN87200889U Duplicating unit with minifying and magnifying functions |
| 10/14/1987 | EP0241273A2 Limited access reproducing machine bins |
| 10/14/1987 | EP0241182A2 An arrangement for revealing that a document has been copied |
| 10/13/1987 | US4700261 Method and apparatus for electrically charging or discharging |
| 10/13/1987 | US4699864 Image forming method using long wavelength light source |
| 10/13/1987 | US4699503 Electrophotographic information printer with automatical duplex sheet printing |
| 10/13/1987 | US4699494 Process unit and image forming apparatus using such unit |
| 10/13/1987 | US4699365 Recirculating document feeder |
| 10/07/1987 | EP0240337A2 Apparatus for forming an image on a sheet of paper |
| 10/07/1987 | EP0240168A1 Electrophotographic copying machine |
| 10/06/1987 | US4697915 Image forming apparatus with detecting and controlling means |
| 10/06/1987 | US4697914 Toner containment method and apparatus |
| 10/06/1987 | US4697806 Controlling method for a sorter |
| 09/30/1987 | EP0239317A1 Paper conveying roller for image forming apparatus |
| 09/30/1987 | EP0239277A2 Automatic exposure device for copying machine |
| 09/30/1987 | EP0238761A2 Reprographic machine |