Patents for G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge (34,276)
06/1988
06/21/1988US4752810 Cleaning apparatus for charge retentive surfaces
06/21/1988US4752805 Toner recycling unit
06/21/1988US4752804 Multicolored image forming apparatus in which toner images are successively transferred from a plurality of image bearing members to a transfer material
06/16/1988DE3740869A1 Paper transporting device
06/15/1988EP0271090A2 Recording apparatus
06/14/1988US4751552 Image forming apparatus
06/14/1988US4751550 Image forming apparatus capable of copying an original in a plurality of image forming modes
06/14/1988US4751484 Drum unit exchange time indicating device for image forming apparatus
06/14/1988CA1238077A1 Cleaning apparatus and method for a polychromatic electrographic copier
06/08/1988EP0270038A2 A copying machine
06/07/1988US4750019 Electrophotographic apparatus
06/07/1988US4750018 Pre-transfer copy sheet cleaning apparatus
06/07/1988US4750015 Waste toner container detector
06/01/1988EP0269131A2 Lighting control method and a lighting control apparatus of a light source in an image forming apparatus
06/01/1988EP0269130A2 Editing area setting method and editing area setting apparatus in an image forming apparatus
06/01/1988EP0268650A1 Optional output for test patches.
05/1988
05/31/1988US4748481 Housing for copier separable into upper and lower frames
05/31/1988US4748480 Controlled authentic document recognition equipment
05/31/1988US4748479 Image forming apparatus capable of displaying a capacity and/or a remaining quantity of sheets of paper
05/31/1988US4748474 Image forming method and apparatus using developer having toner generally from one to five microns in size and a lubricant
05/31/1988US4748470 Automatic duplex electrophotographic copying machine
05/31/1988CA1237252A1 High speed duplicator with stapler apparatus and staple loading arrangement
05/25/1988EP0268263A2 Automatic document feeding device for an electrophotographic copying apparatus
05/24/1988US4746956 Microfilm printer apparatus and method
05/24/1988US4746950 Color copier
05/18/1988EP0267689A2 An apparatus for the formation of images
05/17/1988US4745491 Image formation apparatus capable of designating a recording area
05/17/1988US4745441 Copying machine capable of forming filing margins on both sides of copy paper
05/17/1988US4745440 Image forming apparatus
05/17/1988US4745438 Automatic copier show-around erase system
05/17/1988US4745436 Copying machine
05/11/1988EP0266960A2 Direct electrostatic printing apparatus and printhead cleaning structure therefor
05/11/1988CN87203106U Reflector of flash printer for making print plate
05/10/1988US4743947 Copying machine for producing margins of constant width
05/10/1988US4743945 Copying apparatus which forms images plural times on the same copy paper
05/10/1988US4743942 Magnetic developer conveying device
05/10/1988US4742797 Tear drop seal
05/03/1988US4742483 Laser printer maintenance system
05/03/1988US4741942 Electrostatic charging and cleaning brushes
04/1988
04/27/1988EP0264902A2 Offset electrostatic imaging process
04/27/1988EP0264852A2 Electronic copying machine
04/26/1988US4740818 Electrophotographic reproduction apparatus and method with selective screening
04/26/1988US4740814 Preview system for an electrophotographic printing machine
04/26/1988US4740767 Pivoting developing devices
04/26/1988CA1235730A1 Optical system for scanning and flash exposing of document
04/26/1988CA1235729A1 Document scanning drum and flash exposure copier
04/20/1988EP0264190A1 Method for setting and indicating the density of an image in image forming apparatus
04/19/1988US4739377 Confidential document reproduction method and apparatus
04/19/1988US4739371 Reproduction machine
04/19/1988US4739370 Cleaning device
04/19/1988US4739367 Image forming apparatus having a control means for effecting control of a preliminary processing of image formation
04/19/1988US4739230 Control device for controlling motor speed without hunting
04/19/1988US4738901 Method and apparatus for the prevention of unauthorized copying of documents
04/12/1988US4737856 Image processing apparatus
04/12/1988US4737817 Electrophotographic apparatus
04/12/1988US4737431 Negative-electrification finely-divided toner in use for electrophotography
04/12/1988US4736937 Automatic document feeder
04/12/1988CA1235175A1 Production of developed electrostatic images
04/07/1988WO1988002505A1 Device enabling the clean replacement of a toner container in a toner transfer system of a non-mechanical printer or copier
04/07/1988WO1988002504A1 Multi-purpose toner container for non-mechanical printers and copiers
04/07/1988WO1988002503A1 Device for filling toner from a transfer container into a toner storage container
04/07/1988WO1988002502A1 Non-mechanical printing or copying unit with an exposure system arranged in the development region
04/06/1988EP0262640A2 Image-forming machine
04/06/1988CN87205109U Ozone-purifying device for duplicator
04/05/1988US4736255 Recording apparatus
03/1988
03/30/1988EP0261975A2 Document feeders
03/30/1988EP0261636A2 Cleaning unit in electrophotographic copier
03/30/1988EP0261511A2 Elastic rotatable member and fixing apparatus using same
03/30/1988EP0261364A1 Composite copying apparatus
03/29/1988US4734789 Editing copying machine
03/29/1988US4734741 Particulate material cleaning apparatus
03/29/1988US4734739 Image forming apparatus with function permitting key entry during waiting time
03/24/1988WO1988002137A1 Document treating method for hindering the photocopying reproduction, and products for implementing such method
03/22/1988US4733275 System for storage and printing a plurality of images
03/22/1988US4733274 Copying apparatus
03/22/1988US4733272 Filter regeneration in an electrophotographic printing machine
03/22/1988US4733269 Control system for color copier
03/22/1988US4733268 Voltage control bar for electrophotography
03/17/1988DE3729762A1 Elektrostatische aufzeichnungseinrichtung Electrostatic recording device
03/16/1988EP0259839A2 Control unit of copying machines
03/16/1988EP0259448A1 Liquid developer charge director control.
03/16/1988EP0177567B1 Web tracking apparatus
03/15/1988US4731638 Timing pulse generator for an electrophotographic printing machine
03/15/1988US4731636 Liquid carrier recovery system
03/15/1988US4731631 Vertically oriented photoconductive drum
03/10/1988WO1988001404A3 Copier operable in an insert mode
03/08/1988US4730205 Toner collecting apparatus
03/08/1988US4730204 Copying machine with automatic original feeding device
03/08/1988CA1233871A1 Processing station for an electrophotographic information printer
03/08/1988CA1233870A1 Electrophotographic information printer
03/01/1988US4728982 Image forming apparatus
02/1988
02/25/1988WO1988001404A2 Copier operable in an insert mode
02/25/1988WO1988001288A1 Marking of articles with photochromic compounds
02/23/1988US4727402 Automatic copier signature set production
02/23/1988US4727401 Two-up automatic document feeder for simplex to duplex copying
02/23/1988US4727396 Zoom type copier
02/23/1988US4727385 Image forming apparatus including means for dehumidifying
02/10/1988EP0255713A2 An electrographic apparatus
02/10/1988EP0255676A1 Offset electrostatic printer and imaging process utilizing dehumidified air
02/09/1988US4724462 Copying machine display control device