| Patents for G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge (34,276) | 
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| 09/06/1989 | EP0331426A2 Image forming method and image forming apparatus | 
| 09/06/1989 | EP0331329A1 Touch dialogue user interface for reproduction machines | 
| 09/06/1989 | EP0331324A2 Image forming apparatus usable with process cartridge detachably mountable thereto | 
| 09/06/1989 | CN1035368A Clean plane of forming photographic machine | 
| 09/05/1989 | US4864331 Offset electrostatic imaging process | 
| 08/30/1989 | EP0330225A2 Developing apparatus and developer container | 
| 08/29/1989 | US4862226 Refill and waste toner container with form changing member | 
| 08/29/1989 | US4862221 Cleaning device | 
| 08/29/1989 | US4862220 Copying machine | 
| 08/29/1989 | US4862214 Image forming apparatus | 
| 08/29/1989 | US4862212 Image forming apparatus | 
| 08/29/1989 | US4862209 Image forming apparatus having a removable image forming process kit | 
| 08/29/1989 | US4860898 Packaging arrangement for electrophotographic photosensitive member | 
| 08/24/1989 | WO1989007748A1 Apparatus for inspecting ridge of elastic body | 
| 08/24/1989 | WO1989007527A1 Nonimpact printer | 
| 08/23/1989 | EP0329145A2 Apparatus for driving image bearing member | 
| 08/23/1989 | EP0329144A2 Blade and method for preparation thereof | 
| 08/23/1989 | EP0328629A1 Particulate material cleaning apparatus | 
| 08/23/1989 | EP0226617B1 Compact electrographic reproduction apparatus | 
| 08/22/1989 | US4860115 Digital copier with a facsimile function | 
| 08/22/1989 | US4860057 Automatic original circulating and feeding apparatus | 
| 08/22/1989 | US4860056 Sealable toner recovery box for an image forming machine | 
| 08/22/1989 | US4860055 Image forming apparatus capable of displaying capacity and/or remaining quantity of sheets of paper | 
| 08/22/1989 | US4860054 Copier control system | 
| 08/22/1989 | US4860051 Copying process timing control system for electrophotographic copying machine | 
| 08/15/1989 | US4857957 Image forming apparatus | 
| 08/15/1989 | US4857954 Image forming apparatus | 
| 08/09/1989 | EP0327227A2 Cleaner brush | 
| 08/09/1989 | EP0326558A1 Non-mechanical printing or copying unit with an exposure system arranged in the development region. | 
| 08/08/1989 | US4855787 Image duplicating apparatus having plural copying modes and plural sheet feeding arrangements | 
| 08/08/1989 | US4855786 Electrophotographic copying machine capable of editing function | 
| 08/08/1989 | US4855785 Trimming copying machine | 
| 08/08/1989 | US4855766 Image recording apparatus detecting and controlling image contrast | 
| 08/08/1989 | US4855754 Control device for an image recorder | 
| 08/03/1989 | DE3901496A1 Electrophotographic printer | 
| 08/02/1989 | EP0325599A1 Device for filling toner from a transfer container into a toner storage container. | 
| 08/01/1989 | US4853748 Variable magnification copier | 
| 08/01/1989 | US4853741 Disposable web cleaning device for electrostatographic apparatus | 
| 08/01/1989 | US4853735 Ozone removing device | 
| 08/01/1989 | US4852487 Method and device for printing images on halves of both sides of sheets | 
| 07/26/1989 | EP0325415A2 Copier/document handler customer variable registration system | 
| 07/26/1989 | EP0325414A2 Sealing arrangement for an auger | 
| 07/25/1989 | US4851880 Cleaning apparatus having airfoils | 
| 07/25/1989 | US4851875 Identification and monitoring of image forming process units | 
| 07/25/1989 | US4850303 Developer apparatus with removable developer waste sump | 
| 07/25/1989 | US4850118 Humidity control for roll paper electrostatic plotters | 
| 07/19/1989 | EP0324590A2 Control system for indicating the amount of use of consumable items in a business machine | 
| 07/19/1989 | EP0324245A2 Copier with a recirculating document handler | 
| 07/18/1989 | US4849791 Waste toner collecting system | 
| 07/18/1989 | US4849789 Image duplicating apparatus for multiple images with magnification or reduction alteration during duplication | 
| 07/18/1989 | US4849788 Automatic dual mode document registration and edge guide | 
| 07/18/1989 | US4849786 Paper stacking apparatus for image forming apparatus | 
| 07/18/1989 | US4848231 Method and device for printing images on halves of both sides of sheets | 
| 07/13/1989 | WO1989006384A1 Dual purpose cleaning apparatus | 
| 07/12/1989 | EP0323553A2 Method of increasing sensitivity of photosensitive member for inputting digital light | 
| 07/11/1989 | US4847662 Image forming apparatus | 
| 07/11/1989 | US4847656 Method and apparatus for controlling copying operation | 
| 07/11/1989 | US4847653 Triboelectrically charging member | 
| 07/05/1989 | EP0323252A2 Apparatus for electrophotographic process | 
| 07/05/1989 | EP0322818A2 Sheet feed apparatus for image forming system | 
| 07/04/1989 | US4845527 Copying apparatus | 
| 07/04/1989 | US4845526 Copying apparatus | 
| 07/04/1989 | US4845523 A developing device for an electrophotographic copying machine | 
| 07/04/1989 | US4845483 Malfunction communicating device for optical unit of laser printer | 
| 07/04/1989 | US4844434 Mid form start CF document feeder | 
| 06/29/1989 | WO1989005997A1 Film belt loader package | 
| 06/28/1989 | EP0322231A2 Rotating vane toner transport for blade cleaning on horizontal surfaces | 
| 06/28/1989 | EP0322230A2 Cleaning apparatus for a charge retentive surface | 
| 06/28/1989 | EP0322229A2 Cleaner blades | 
| 06/28/1989 | EP0322219A2 Image forming apparatus | 
| 06/28/1989 | EP0321906A2 Mechanism for locating a flexible photoconductor relative to a development station | 
| 06/28/1989 | EP0321905A2 Mechanism for locating a flexible photoconductor relative to a plurality of development stations | 
| 06/27/1989 | US4843437 Copying machine | 
| 06/27/1989 | US4843428 Process apparatus for processing memory which stores information | 
| 06/21/1989 | EP0320985A2 Vertical print engine for electrophotographic apparatus | 
| 06/21/1989 | EP0320921A2 Multicolor image developing device | 
| 06/21/1989 | EP0320915A1 An image forming apparatus | 
| 06/21/1989 | EP0320812A2 Cleaning unit for cleaning the recording medium of an electrophotographic apparatus | 
| 06/21/1989 | EP0320533A1 Roll covered with silicone material and method for producing same | 
| 06/20/1989 | US4841333 Process unit for an imaging apparatus | 
| 06/20/1989 | US4841328 Electrostatic recording apparatus | 
| 06/20/1989 | US4841099 Electrically insulating polymer matrix with conductive path formed in situ | 
| 06/20/1989 | US4840300 Paper conveying roller for image forming apparatus | 
| 06/15/1989 | DE3834631A1 Photosensitive recording material for electrophotography and image-generation processes, and an electrophotographic device in which the recording material is used | 
| 06/14/1989 | EP0320278A2 Copier on-line variable tab cutter | 
| 06/14/1989 | EP0320053A1 Belt tensioning device | 
| 06/14/1989 | EP0319928A2 Cleaning system for non-impact printer | 
| 06/13/1989 | US4839698 Copying apparatus | 
| 06/13/1989 | US4839694 Printing apparatus | 
| 06/13/1989 | US4839691 Image forming apparatus | 
| 06/13/1989 | US4839690 Image bearing member usable with image forming apparatus | 
| 06/13/1989 | CA1255741A1 Electrographic stylus recording apparatus | 
| 06/08/1989 | DE3839471A1 Cleaning device for a light-sensitive drum | 
| 06/07/1989 | EP0319340A2 An electrophotographic copying apparatus | 
| 06/07/1989 | EP0318969A1 Frame-opening and closing mechanism provided with a torsion bar | 
| 06/07/1989 | EP0318951A2 Electrophotographic copier | 
| 06/06/1989 | US4837636 Motion sensor for sensing the relative position and velocity of a recording member | 
| 06/06/1989 | US4837599 Copying apparatus having an editing function | 
| 06/06/1989 | US4837598 Image erasing apparatus | 
| 06/06/1989 | US4837104 Scavenging field for electrostatographic printing machine |