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Class 399/188 - Copy blank leading edge


Subclass of Class 399 - Electrophotography
Definition: Subject matter wherein the charge-removing illumination
No. of patents: 7
Last issue date: 07/26/1994


NumberTitleIssue Date
5333039Image forming apparatus with control for variably setting the amount of blank space on a recording medium
An image forming apparatus includes a unit to form a visible image onto a photo sensitive drum on the basis of input image information, a copy transfer unit to transfer the developed visible image onto a recording paper, a fixing unit to fix the visible i...
07/26/1994
5099283Electrophotographic apparatus with leading edge blanking
An electrophotographic apparatus wherein a blank is formed at an end of a transfer material to make it easier to separate the transfer material from a photosensitive member and to prevent the transfer material from wrapping around an image fixing roller. ...
03/24/1992
5072260Image forming apparatus having analog and digital exposure means
An image forming apparatus includes a movable photosensitive member, a charger for uniformly charging the photosensitive member, exposure device for illuminating an original and exposing the photosensitive member charged by the charger to the light from t...
12/10/1991
4928136Image forming apparatus
An image forming apparatus which comprises a photoreceptor medium supported for rotation in one direction, a charging device for forming an electrostatic latent image on the photoreceptor medium, a plurality of developing devices disposed in fact-to-face ...
05/22/1990
4743947Copying machine for producing margins of constant width
A copying machine wherein an orginal is exposed to light by the movement of a document table or an optical system to form an electrostatic latent image on a photoconductive drum at an image forming station, and the latent image is developed and then trans...
05/10/1988
4657371Electrophotographic copying apparatus and process
An electrophotographic copying apparatus includes a copying cycle which always alternates development between two image areas to equalize wear along the length of its photosensitive belt and which eliminates a cleaning cycle after the final copy of a copy...
04/14/1987
4525059Exposure apparatus to guide reflected light from a subject to a photosensitive body
In an exposure apparatus, there is provided projecting means for projecting first and second light beams, in one direction and in another direction, onto an exposure region of a loading board. A mask member is provided between the loading board and the pr...
06/25/1985
 
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