| Patents for G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge (34,276) |
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| 04/15/1993 | WO1993007543A1 Cleaning assembly for an electrostatographic reproduction apparatus |
| 04/15/1993 | WO1993004868A3 Security document with coating and method for making the same |
| 04/15/1993 | DE4234694A1 Sheet position detector for computer printer or facsimile - operates second sensor after set time period has elapsed since first sensor detected sheet edge |
| 04/15/1993 | DE4233225A1 Electrophotographic reproduction device e.g. for facsimile, printer or copier - has metal band image transport and uses electrostatic toner deposition and supports colour copying |
| 04/15/1993 | DE4233221A1 Toner recovery, cleaner and recirculator for copiers, printers and facsimile devices - subjects toners and impurities to electric field to separate toner according to particle size and charge |
| 04/14/1993 | EP0536794A2 Sheet-size determining apparatus with selection inducing means |
| 04/13/1993 | US5202769 Digital electrostatic printing apparatus using a counted number of pixels of various densities to determine and control an amount of toner used during image development |
| 04/13/1993 | US5202735 Method to control housing air inlet gap and means therefor |
| 04/13/1993 | US5202728 Image-forming machine with improved developer agitating means, developer regulating blade means, cleaning device, and toner recovery system |
| 04/13/1993 | US5202727 Multi-color image forming apparatus with black and white image forming mode |
| 04/13/1993 | US5202206 Electrostatic latent images |
| 04/13/1993 | US5201852 Fixing device |
| 04/07/1993 | EP0536050A2 Printer with print density switching means |
| 04/07/1993 | EP0535875A1 Cleaning apparatus |
| 04/06/1993 | US5200960 Streaming tape diagnostic |
| 04/06/1993 | US5200958 Method and apparatus for recording and diagnosing faults in an electronic reprographic printing system |
| 04/06/1993 | US5200837 Digital copier including means for erasing digital image data over a given area, especially suitable for preventing jamming of paper |
| 04/06/1993 | US5200832 Color image recording device with color edit and conversion processing |
| 04/06/1993 | US5200789 Method and apparatus for cleanerless image forming |
| 04/06/1993 | US5200788 Brush auger reclaim filtration in a photoreceptor cleaner housing |
| 04/06/1993 | US5200787 Method and apparatus for supplying and collecting toner in an image forming device |
| 04/06/1993 | US5200782 Disturbance isolation in a belt receptor of a color printer |
| 04/06/1993 | US5200781 Sheet discharging tray for use in image forming apparatus |
| 04/06/1993 | US5200779 Image forming apparatus with maintenance procedure |
| 04/06/1993 | US5199890 IC socket |
| 04/02/1993 | CA2067857A1 Printing system |
| 03/30/1993 | US5198861 Image density control method for an image forming apparatus for reducing background contamination of a photoconductive drum |
| 03/30/1993 | US5198858 Image forming apparatus capable of minimizing time required for transcription |
| 03/30/1993 | US5197765 Varying tone securing document |
| 03/24/1993 | EP0533484A2 An image forming apparatus |
| 03/24/1993 | EP0346454B1 Dual purpose cleaning apparatus |
| 03/23/1993 | US5196892 Image forming apparatus having a disordering and charging device for disordering a developing agent remaining on an image bearing member and for charging the image bearing member |
| 03/23/1993 | US5196891 Image forming apparatus having distribution brush and image carrier mounted in a removable unit |
| 03/23/1993 | US5196884 Apparatus having a plurality of replaceable parts |
| 03/18/1993 | WO1993004868A2 Security document with coating and method for making the same |
| 03/17/1993 | EP0532344A2 Reprographic apparatus |
| 03/17/1993 | EP0532308A2 Replaceable sub-assemblies for electrostatographic reproducing machines |
| 03/17/1993 | EP0532306A2 A system for removing agglomerates from a developed image on a photoreceptor |
| 03/17/1993 | EP0532065A1 Electrostatic copying apparatus |
| 03/17/1993 | EP0532033A1 Filter apparatus for taking up and/or treating gas coming from a laserprinter or a similar apparatus |
| 03/16/1993 | US5194903 Electrophotographic printer for a continuous recording form |
| 03/16/1993 | US5194901 Image forming apparatus having means for preventing toner deposit on photosensitive member |
| 03/16/1993 | US5194897 Image forming apparatus with charge wire cleaners |
| 03/16/1993 | US5194896 Magnetic brake for pivotal device |
| 03/16/1993 | US5194050 Positioning device for an endless belt |
| 03/10/1993 | EP0531161A2 Electrostatic voltmeter (ESV) zero offset adjustment |
| 03/10/1993 | EP0531145A2 Monitoring of color developer housing in a tri-level highlight color imaging apparatus |
| 03/10/1993 | EP0531053A2 Tri-level imaging apparatus |
| 03/10/1993 | EP0531010A2 System and method for cleaning the developer unit of a printing system |
| 03/10/1993 | EP0530491A2 Electrophotographic image forming apparatus with detachable imaging cartridge |
| 03/09/1993 | US5192975 Image forming apparatus with an image scanning apparatus and an automatic document feeder |
| 03/09/1993 | US5192973 Covering and cleaning device for the optical character generator in an electrophotographic printing device |
| 03/09/1993 | US5192971 Image forming apparatus with image forming interruption capabilities |
| 03/09/1993 | US5192958 Method and apparatus to control overall write length in LED print bars |
| 03/04/1993 | WO1993004395A1 Laser printer cartridge with adjustable developer cylinder |
| 03/03/1993 | EP0529919A2 Method of scheduling copy sheets |
| 03/03/1993 | EP0529809A2 Composite backup roller assembly |
| 03/03/1993 | EP0529746A2 Image processing apparatus |
| 03/03/1993 | EP0529745A2 Image processing apparatus |
| 03/03/1993 | EP0529744A2 Image processing apparatus |
| 03/03/1993 | EP0528976A1 Pin hole detector |
| 03/02/1993 | US5191429 Electronic printing system for printing multiple images with determination of the maximum number of reduced size images to be optimally printed on a sheet of detected size without interference |
| 03/02/1993 | US5190608 Thermoplastic substrate, charge generating layer, thermoplastic charge transport layer, ultrasonic welding, seam with irregular protrusions, laminating thin flexible strip to seam, used in electrostatographic imaging |
| 02/24/1993 | EP0528556A2 Cleaning device |
| 02/24/1993 | EP0528467A1 Device for the transfer of a toner image from an image forming medium to a receiving material |
| 02/24/1993 | EP0528329A2 Recording sheet conveyance device for use with an image forming apparatus |
| 02/23/1993 | US5189473 Inside contamination prevention structure for a device utilizing toner particles |
| 02/23/1993 | US5189471 Image forming apparatus with slidably mounted developing unit and photoconductive unit |
| 02/23/1993 | US5189469 Recording device |
| 02/17/1993 | EP0527422A2 Image forming apparatus |
| 02/17/1993 | CN2127190Y Dust and ozone removing device of duplicator |
| 02/16/1993 | US5187533 Automatic document feeder for feeding documents based on signals from a final document detecting device and a normal end detecting device |
| 02/16/1993 | US5187525 Image forming apparatus including a device for simultaneous developing/cleaning and having distribution brush |
| 02/16/1993 | US5187524 Developer dispensing apparatus with composite toner dispenser spring |
| 02/16/1993 | US5187501 Printing system |
| 02/16/1993 | US5187039 Prevents adhesion of toner particles |
| 02/15/1993 | WO1993004410A1 Electrophotographic microfilm camera/processor apparatus |
| 02/15/1993 | CA2093926A1 Electrophotographic microfilm camera/processor apparatus |
| 02/09/1993 | US5185633 Image forming apparatus having single sensor for detecting mischucking of transfer paper and whether transfer paper is plain or transparent paper |
| 02/09/1993 | US5185630 Copying machine having top wall with slit for cleaning access |
| 02/09/1993 | US5185629 Image forming apparatus provided with a cooling arrangement and ozone filter |
| 02/03/1993 | EP0526340A2 Electrophotographic photosensitive member and apparatus including same |
| 02/03/1993 | EP0526236A2 Charging device, process cartridge and image forming, apparatus using same |
| 02/03/1993 | EP0526235A2 Charging device, process cartridge and image forming apparatus |
| 02/03/1993 | EP0526018A2 Image forming apparatus including a developing device for developing a latent image |
| 02/03/1993 | EP0525706A2 Image forming apparatus with automatic toner exhausting mechanism |
| 02/03/1993 | EP0525704A2 Feeding device |
| 02/03/1993 | EP0525616A2 Charging device |
| 02/03/1993 | EP0525383A2 Original and original size detecting device and method |
| 02/02/1993 | US5184186 Motor control for an automatic document conveying apparatus |
| 02/02/1993 | US5184184 Image forming apparatus |
| 02/02/1993 | US5184180 Method for supplying power to a copying machine |
| 02/02/1993 | US5184179 Photocopy monitoring system and method for monitoring copiers |
| 02/02/1993 | US5184178 Image recording apparatus having an interchangeable cartridge |
| 02/02/1993 | US5184177 Electrophotographic printing apparatus |
| 02/02/1993 | CA1313332C System for prevention of unauthorized copying |
| 01/28/1993 | DE4220203A1 Fixiereinheit zur verwendung in einem elektrofotografischen bilderzeugungsgeraet Fuser unit for use in an electrophotographic bilderzeugungsgeraet |
| 01/28/1993 | DE4220202A1 Einrichtung zum pruefen von geraetefunktionen, insbesondere bei einem elektrofotografischen drucker Means for checking device functions, especially in an electrophotographic printer |
| 01/27/1993 | EP0524727A1 Imaging process with infrared sensitive transparent receiver sheets |
| 01/27/1993 | EP0524506A1 Electrophotographic apparatus |