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)
06/1989
06/06/1989US4835807 Cleaning brush
06/01/1989WO1989005000A1 Blade for electrophotographic apparatus
05/1989
05/30/1989US4835572 Image forming apparatus enabling reversible selection of a default mode of operation
05/30/1989US4835571 Corona discharging unit for use in copying machine
05/30/1989US4835568 Removable process unit with charging device located relative to main assembly
05/30/1989US4835028 Secure paper product
05/30/1989US4834360 Job batching system for high capacity copier with RDH
05/24/1989EP0317514A1 Process for producing a document of which at least a part is not reproducible by means of photocopying
05/24/1989EP0317242A2 Cleaning device for conductive magnetic toner and image recording apparatus using same
05/24/1989CN1033074A Monoclonal antibody specific to a novel epitope of the lfa-1 antigen of human t lymphocytes
05/18/1989WO1989004175A1 Monoclonal antibody specific to a novel epitope of the lfa-1 antigen of human t lymphocytes
05/18/1989DE3837527A1 Picture generating device
05/18/1989DE3836890A1 Image generating device
05/17/1989EP0316183A2 Toner recovery device
05/17/1989EP0316010A2 Image forming apparatus with air exhaustion
05/17/1989EP0315800A1 Dry toner removable developing cartridge
05/16/1989US4831603 Timing control device for driving mechanism
05/16/1989US4831488 Device for removing electrostatic charge
05/16/1989US4831420 Copier/document handler customer variable registration system
05/16/1989US4831414 Copying apparatus capable of copying a document with binding margin
05/16/1989US4831412 Copying machine
05/16/1989US4831411 Image processing apparatus capable of forming images on both sides or overlying images on one side of a recording material
05/16/1989US4831407 Process unit for an imaging apparatus
05/10/1989EP0315427A2 Document handler jam clearance and job recovery
05/10/1989CN1032827A Anti-copying medium for writing or printing and associated method
05/09/1989US4829337 Cleaning device for a photoconductive printer or copier
05/09/1989US4829336 Toner concentration control method and apparatus
05/09/1989US4829335 Process cartridge and image forming apparatus using same
05/09/1989US4829334 Image-forming machine having a cover member for covering part of an image bearing member
05/09/1989US4829217 Device for controlling movement of a rotating element
05/09/1989CA1253893A1 System for loading sheet materials on a rotary drum
05/03/1989EP0314579A2 A cleaning blade for image forming apparatuses
05/03/1989EP0314175A2 A cleaning unit of a copying apparatus
05/03/1989EP0314140A2 Image-forming machine
05/02/1989US4827311 Apparatus for cleaning particulate matter from a moving web
05/02/1989US4827308 Process unit for an imaging apparatus
05/02/1989US4827306 Discharging apparatus and method for use in a copying machine
05/02/1989US4827283 Lighting control method and a lighting control apparatus of a light source in an image forming apparatus
04/1989
04/26/1989EP0198897B1 Electrophotographic information printer with automatical duplex sheet printing
04/26/1989CN2036678U De-electrifying lamp for automatic copier
04/25/1989US4825256 Image recording device
04/25/1989US4825249 Perfluoropolyether coatings
04/25/1989US4823689 Elastic roller with internal openings for use with image forming apparatus
04/25/1989CA1253195A1 Wet type color electrophotographic copying machine
04/25/1989CA1253193A1 Method and apparatus for producing printed tabs
04/19/1989EP0312230A2 An image forming apparatus
04/19/1989EP0312128A2 Reprographic machine
04/19/1989EP0311646A1 Multi-purpose toner container for non-mechanical printers and copiers.
04/19/1989EP0142550B1 Apparatus and method for electrophotographically producing copy having continuous-tone and other content
04/19/1989EP0141850B1 Apparatus and method for electrophotographically producing color copy continuous-tone originals and other content of selective color
04/18/1989US4823161 Cleaning blade for electrophotographic copying machines or the like
04/18/1989US4823160 Method and apparatus for loading/unloading a drum member
04/18/1989US4823153 Cleaning system for non-impact printer
04/13/1989DE3832415A1 Copier which can be split into two parts
04/12/1989EP0311021A1 A link mechanism provided between an upper frame and a lower frame of an image forming apparatus
04/11/1989US4821077 Cleaner for toner fixing device
04/11/1989US4821066 Nonimpact printer
04/11/1989US4821063 Image forming apparatus
04/11/1989US4819578 Toner collecting device
04/06/1989DE3832289A1 Artikel mit integriertem marker Articles with integrated marker
04/04/1989US4819031 Rotating vane toner transport for blade cleaning on horizontal surfaces
04/04/1989US4819030 Cleaning device for cleaning toner image carrier
04/04/1989US4819026 Cleaning apparatus for a charge retentive surface
04/04/1989US4819023 Automatic document feeder for automatically feeding a plurality of stacks of originals
04/04/1989US4819022 Automatic exposure device for copying machine
04/04/1989US4819021 Copier on-line variable tab cutter
04/04/1989CA1252146A1 Copier adjustment method and apparatus
03/1989
03/29/1989EP0309191A2 Copying with auto sort/stack selection
03/29/1989EP0308431A1 Device enabling the clean replacement of a toner container in a toner transfer system of a non-mechanical printer or copier.
03/28/1989US4816877 Refillable toner cartridge and method of manufacture thereof
03/28/1989US4816868 Image forming apparatus
03/28/1989US4816867 Electrophotographic copying machine
03/28/1989US4815378 Method and device for printing images on halves of both sides of sheets
03/22/1989EP0307942A2 Mechanisms in image recording apparatus
03/22/1989EP0307540A1 Image transfer device
03/21/1989US4814823 Image forming apparatus
03/21/1989US4814817 Image forming device with separable units
03/21/1989US4814815 Image generating device having a reflecting plate for eliminating charge on a portion of the photoreceptor of an electrophotographic copying machine
03/14/1989US4812878 For removing residual toner
03/14/1989US4812877 Copying apparatus with multiple copy modes
03/14/1989US4812876 Motor control device for a copying machine
03/14/1989US4812875 Electrophotographic copying machine having an editorial function
03/14/1989US4812874 Image forming apparatus capable of designating area to be copied of original
03/14/1989US4811867 Particle anti-bridging apparatus
03/14/1989US4811839 Film belt loader package
03/09/1989WO1989002136A1 Covering and cleaning device for the optical character generator in an electrophotographic printing device
03/08/1989EP0305642A1 Method of and device for controlling an image forming device
03/07/1989US4811053 Copy counter and image forming apparatus having copy counter
03/07/1989US4811051 Image forming device
03/07/1989US4811050 Apparatus for the forming of images with a cleaning device for a corona wire
03/07/1989US4811045 Electrostatic image forming apparatus
03/01/1989EP0179815B1 A cleaning method and apparatus for a polychromatic electrophotographic copier
02/1989
02/28/1989US4809033 Image forming apparatus and process cartridge therefor
02/28/1989US4809027 Offset electrostatic printing utilizing a heated air flow
02/23/1989WO1989001652A1 Particulate material cleaning apparatus
02/22/1989EP0304314A2 Process unit for an imaging apparatus
02/21/1989US4807041 Microfilm reader scanner capable of editing image
02/21/1989US4806991 Mechanism for locating a flexible photoconductor relative to a development station
02/21/1989US4806981 Cleaning unit in electrophotographic copier
02/21/1989US4806978 Image editing system
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