Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618)
01/1991
01/22/1991US4987451 Image forming apparatus
01/22/1991US4987450 Electrophotographic printer comprising aligned plural light emitting devices
01/22/1991US4987449 Method of sensing a remaining amount of developer for a color image forming apparatus
01/22/1991US4987448 Skewing detection mechanism for printer employing continuous recording form
01/22/1991US4987447 Control sheet generation for copiers and printers
01/22/1991US4987446 Process unit cartridge for an electrophotographic apparatus
01/22/1991US4987442 Between a movable and immovable member
01/22/1991US4987429 One-pump color imaging system and method
01/22/1991US4987428 Color image forming apparatus
01/22/1991US4987046 Electroseamed metallic tube coated with layers of charge generating and charge transfer compounds
01/22/1991US4986528 Method of separately feeding a print medium sheet and apparatus therefor
01/22/1991US4986526 Sheet registration calibration
01/22/1991US4986520 Control method for sorter with stapler
01/22/1991US4986450 Toner cartridge
01/22/1991US4986211 Toning method and member for electrostatography
01/16/1991EP0408267A2 Method for developing electrostatic latent images
01/16/1991EP0408133A1 Apparatus for supplying and discharging originals in a copying machine
01/16/1991EP0407984A2 Automatic document conveying device
01/16/1991EP0407810A2 Device for cleaning a photosensitive member disposed inside an electrophotographic recording apparatus
01/16/1991EP0407379A1 Character generator for a non-mechanical printer.
01/15/1991US4985823 Image-forming apparatus
01/15/1991US4985778 Copying apparatus capable of designating image areas
01/15/1991US4985736 Image forming apparatus
01/15/1991US4985734 Waste toner collecting container provided with corona charger
01/15/1991US4985733 Image fixing unit for use in wet-type electrophotographic copying machine
01/15/1991US4985732 Electrostatic separator
01/15/1991US4985730 Method of deelectrification in an electrophotographic apparatus
01/15/1991US4985729 Control system for reproduction machines providing an extended almost jam interval and shutdown delay
01/15/1991US4985716 Apparatus for generating ions using low signal voltage
01/15/1991US4984779 Automatic document conveying device for original in a two-sided copy machine
01/15/1991US4984778 Sheet feeder with skew control
01/15/1991US4984326 Flourocarbon polymer with conductive and non-conductive inorganic filler
01/15/1991CA1279089C Method and apparatus for loading/unloading a drum member
01/15/1991CA1279088C Developing unit for an electro-photographic apparatus
01/10/1991WO1991000563A1 Self-calibrating temperature control device for a heated fuser roller
01/10/1991WO1991000552A1 Transfer apparatus having vacuum holes and method of making such apparatus
01/10/1991WO1991000551A1 Transfer apparatus having a transfer member with vacuum means
01/10/1991WO1991000550A1 Improved scavenging apparatus
01/10/1991WO1991000549A1 Priority interrupt during editing mode
01/09/1991EP0407183A2 Color image forming apparatus
01/09/1991EP0407153A2 Electrostatic printer
01/09/1991EP0407152A2 Sheet stackers
01/09/1991EP0407151A2 Rotating brush decision gate
01/09/1991EP0407144A2 Printer
01/09/1991EP0407125A2 Developing apparatus and method of preparing a developer carrying member
01/09/1991EP0407065A2 Method and apparatus for improving the uniformity of a led printhead
01/09/1991EP0406968A1 Device for measuring light scattered by an information support
01/09/1991EP0406960A1 Method of and apparatus for forming a multi-colour image
01/09/1991EP0406892A2 Image fixing apparatus and image forming apparatus
01/09/1991EP0406834A2 Charging member and electrophotographic apparatus using the same
01/09/1991EP0406236A1 Device for monitoring the transport of record carriers in sheet form in an electrographic printer.
01/08/1991US4984229 Autofocus system
01/08/1991US4984071 Method of and apparatus for establishing a reference point on a gradation correction curve
01/08/1991US4984029 Rolled recording paper setting apparatus
01/08/1991US4984027 Fusing apparatus with solid elastomeric fuser roller
01/08/1991US4984026 Color image forming method
01/08/1991US4984025 Imaging system with intermediate transfer member
01/08/1991US4984024 Image transfer unit for image recording apparatus
01/08/1991US4984023 Electrophotographic
01/08/1991US4984022 Image forming apparatus having means for attenuating bias voltage of the developing sleeve
01/08/1991US4984021 Photoreceptor edge erase system for tri-level xerography
01/08/1991US4984020 Copying apparatus having an area designating function
01/08/1991US4984019 Electrophotographic printing machine
01/08/1991US4984018 Process cartridge having an integrally molded shield casing for the corona charger
01/08/1991US4984011 Image recording apparatus
01/08/1991US4984004 Developing apparatus
01/08/1991US4983148 Mechanical component consisting of anti-static material
01/08/1991US4983146 Belt tensioning and quick release device for electrophotographic system
01/08/1991US4982948 Sorter with rocking trays
01/08/1991US4982945 Plural mode document restacking tray for a copier document handler
01/08/1991US4982692 Apparatus for liquid development of electrostatic latent images
01/08/1991US4982691 Developing device for electrophotographic apparatus having magnet rollers
01/08/1991US4982690 Developer tank
01/08/1991US4982689 Developing apparatus having a developing roller with fine concavities
01/02/1991EP0406149A2 Electrophotographic printer and cartridge arrangement
01/02/1991EP0406148A2 Printing machine with charge neutralizing system
01/02/1991EP0406147A2 Laser printer with light-exposure prevention
01/02/1991EP0405991A1 Extention of tri-level xerography to black plus 2 colors
01/02/1991EP0405694A2 Developing method using two-component type developer
01/02/1991EP0405686A2 Developing process for forming image having high quality
01/02/1991EP0405573A2 An image forming apparatus
01/02/1991EP0405522A2 Developing apparatus
01/02/1991EP0405514A2 Image-forming machine
01/02/1991EP0405424A2 Electrostatic latent image forming apparatus
01/02/1991EP0404789A1 Assembly process for producing led rows.
01/02/1991EP0404769A1 Device for flattening single sheets in non-mechanical printers and photocopy machines.
01/02/1991EP0404767A1 Device for incorporating an optical character generator in a printer housing.
01/02/1991EP0404759A1 Single-page printer for duplex and simplex operation.
01/02/1991CN1048269A Image forming apparatus
01/02/1991CN1048268A 成像设备 Imaging Equipment
01/01/1991US4982242 Color image forming apparatus
01/01/1991US4982241 Automatic original document feeder
01/01/1991US4982238 Developer material mixing apparatus for a development unit
01/01/1991US4982237 Photoelectrophoretic printing machine
01/01/1991US4982236 Self supporting optical document scanning system
01/01/1991US4982234 Exception grouping for machine programming
01/01/1991US4982233 Method and apparatus for sensing contamination within an optical scanning system
01/01/1991US4982232 Exposure control system of image forming apparatus
01/01/1991US4982228 Automatic original sheet feeder for setting sheet at the central portion of a platen
01/01/1991US4982223 Developer guide for preventing developer from entering gap between developing sleeves