Photocopying – Contact printing – Light boxes
Patent
1991-02-27
1991-12-24
Grimley, A. T.
Photocopying
Contact printing
Light boxes
355326, 355327, G03G 1514, G03G 1501
Patent
active
050757300
ABSTRACT:
In order to form an image being e.g. a color image formed by an electrophotographic process, toner images are formed on a recording medium by transcription assemblies corresponding to each color of the final image. The recording medium has a continuously looped shape and that looped shape has curved parts which are all curved in the same direction. Thus, the recording medium may be in the form of an endless belt passing around rollers, which is thus an un-convoluted shape. The transcription assemblies are spaced apart along the path of the recording medium. An intermediate transfer medium contacts the recording medium at transfer sites between the transcription assemblies so that a toner image can be transferred between the recording medium and the intermediate transfer medium from the transcription assembly preceding each transfer site. Thus, a superimposed image may be formed on the intermediate transfer medium, for subsequent transfer to a print medium. Alternatively, a plurality of toner images may be transferred to a print medium directly from the recording medium, or some toner images may be formed on the intermediate transfer medium and re-transferred to the recording medium.
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Brase Sandra L.
Grimley A. T.
Hitachi , Ltd.
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