Patents
Sitemap › G03 - Photography; Cinematography; Analogous techniques using waves other than optical waves; Electrography; Holography › G03G - Electrography; Electrophotography; Magnetography › G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge
Patents for G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge (34,276)
09/1989
09/06/1989EP0331426A2 Image forming method and image forming apparatus
09/06/1989EP0331329A1 Touch dialogue user interface for reproduction machines
09/06/1989EP0331324A2 Image forming apparatus usable with process cartridge detachably mountable thereto
09/06/1989CN1035368A Clean plane of forming photographic machine
09/05/1989US4864331 Offset electrostatic imaging process
08/1989
08/30/1989EP0330225A2 Developing apparatus and developer container
08/29/1989US4862226 Refill and waste toner container with form changing member
08/29/1989US4862221 Cleaning device
08/29/1989US4862220 Copying machine
08/29/1989US4862214 Image forming apparatus
08/29/1989US4862212 Image forming apparatus
08/29/1989US4862209 Image forming apparatus having a removable image forming process kit
08/29/1989US4860898 Packaging arrangement for electrophotographic photosensitive member
08/24/1989WO1989007748A1 Apparatus for inspecting ridge of elastic body
08/24/1989WO1989007527A1 Nonimpact printer
08/23/1989EP0329145A2 Apparatus for driving image bearing member
08/23/1989EP0329144A2 Blade and method for preparation thereof
08/23/1989EP0328629A1 Particulate material cleaning apparatus
08/23/1989EP0226617B1 Compact electrographic reproduction apparatus
08/22/1989US4860115 Digital copier with a facsimile function
08/22/1989US4860057 Automatic original circulating and feeding apparatus
08/22/1989US4860056 Sealable toner recovery box for an image forming machine
08/22/1989US4860055 Image forming apparatus capable of displaying capacity and/or remaining quantity of sheets of paper
08/22/1989US4860054 Copier control system
08/22/1989US4860051 Copying process timing control system for electrophotographic copying machine
08/15/1989US4857957 Image forming apparatus
08/15/1989US4857954 Image forming apparatus
08/09/1989EP0327227A2 Cleaner brush
08/09/1989EP0326558A1 Non-mechanical printing or copying unit with an exposure system arranged in the development region.
08/08/1989US4855787 Image duplicating apparatus having plural copying modes and plural sheet feeding arrangements
08/08/1989US4855786 Electrophotographic copying machine capable of editing function
08/08/1989US4855785 Trimming copying machine
08/08/1989US4855766 Image recording apparatus detecting and controlling image contrast
08/08/1989US4855754 Control device for an image recorder
08/03/1989DE3901496A1 Electrophotographic printer
08/02/1989EP0325599A1 Device for filling toner from a transfer container into a toner storage container.
08/01/1989US4853748 Variable magnification copier
08/01/1989US4853741 Disposable web cleaning device for electrostatographic apparatus
08/01/1989US4853735 Ozone removing device
08/01/1989US4852487 Method and device for printing images on halves of both sides of sheets
07/1989
07/26/1989EP0325415A2 Copier/document handler customer variable registration system
07/26/1989EP0325414A2 Sealing arrangement for an auger
07/25/1989US4851880 Cleaning apparatus having airfoils
07/25/1989US4851875 Identification and monitoring of image forming process units
07/25/1989US4850303 Developer apparatus with removable developer waste sump
07/25/1989US4850118 Humidity control for roll paper electrostatic plotters
07/19/1989EP0324590A2 Control system for indicating the amount of use of consumable items in a business machine
07/19/1989EP0324245A2 Copier with a recirculating document handler
07/18/1989US4849791 Waste toner collecting system
07/18/1989US4849789 Image duplicating apparatus for multiple images with magnification or reduction alteration during duplication
07/18/1989US4849788 Automatic dual mode document registration and edge guide
07/18/1989US4849786 Paper stacking apparatus for image forming apparatus
07/18/1989US4848231 Method and device for printing images on halves of both sides of sheets
07/13/1989WO1989006384A1 Dual purpose cleaning apparatus
07/12/1989EP0323553A2 Method of increasing sensitivity of photosensitive member for inputting digital light
07/11/1989US4847662 Image forming apparatus
07/11/1989US4847656 Method and apparatus for controlling copying operation
07/11/1989US4847653 Triboelectrically charging member
07/05/1989EP0323252A2 Apparatus for electrophotographic process
07/05/1989EP0322818A2 Sheet feed apparatus for image forming system
07/04/1989US4845527 Copying apparatus
07/04/1989US4845526 Copying apparatus
07/04/1989US4845523 A developing device for an electrophotographic copying machine
07/04/1989US4845483 Malfunction communicating device for optical unit of laser printer
07/04/1989US4844434 Mid form start CF document feeder
06/1989
06/29/1989WO1989005997A1 Film belt loader package
06/28/1989EP0322231A2 Rotating vane toner transport for blade cleaning on horizontal surfaces
06/28/1989EP0322230A2 Cleaning apparatus for a charge retentive surface
06/28/1989EP0322229A2 Cleaner blades
06/28/1989EP0322219A2 Image forming apparatus
06/28/1989EP0321906A2 Mechanism for locating a flexible photoconductor relative to a development station
06/28/1989EP0321905A2 Mechanism for locating a flexible photoconductor relative to a plurality of development stations
06/27/1989US4843437 Copying machine
06/27/1989US4843428 Process apparatus for processing memory which stores information
06/21/1989EP0320985A2 Vertical print engine for electrophotographic apparatus
06/21/1989EP0320921A2 Multicolor image developing device
06/21/1989EP0320915A1 An image forming apparatus
06/21/1989EP0320812A2 Cleaning unit for cleaning the recording medium of an electrophotographic apparatus
06/21/1989EP0320533A1 Roll covered with silicone material and method for producing same
06/20/1989US4841333 Process unit for an imaging apparatus
06/20/1989US4841328 Electrostatic recording apparatus
06/20/1989US4841099 Electrically insulating polymer matrix with conductive path formed in situ
06/20/1989US4840300 Paper conveying roller for image forming apparatus
06/15/1989DE3834631A1 Photosensitive recording material for electrophotography and image-generation processes, and an electrophotographic device in which the recording material is used
06/14/1989EP0320278A2 Copier on-line variable tab cutter
06/14/1989EP0320053A1 Belt tensioning device
06/14/1989EP0319928A2 Cleaning system for non-impact printer
06/13/1989US4839698 Copying apparatus
06/13/1989US4839694 Printing apparatus
06/13/1989US4839691 Image forming apparatus
06/13/1989US4839690 Image bearing member usable with image forming apparatus
06/13/1989CA1255741A1 Electrographic stylus recording apparatus
06/08/1989DE3839471A1 Cleaning device for a light-sensitive drum
06/07/1989EP0319340A2 An electrophotographic copying apparatus
06/07/1989EP0318969A1 Frame-opening and closing mechanism provided with a torsion bar
06/07/1989EP0318951A2 Electrophotographic copier
06/06/1989US4837636 Motion sensor for sensing the relative position and velocity of a recording member
06/06/1989US4837599 Copying apparatus having an editing function
06/06/1989US4837598 Image erasing apparatus
06/06/1989US4837104 Scavenging field for electrostatographic printing machine
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