Compact optical printer with planar photoreceptor

Photocopying – Contact printing – Light boxes

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Details

355211, 355212, G03G 1500, G03G 2100

Patent

active

052066835

ABSTRACT:
An optical printer includes a housing in which a photoreceptor including a transparent substrate, a transparent electrode layer and a photosensitive layer composed of a-Si which are formed on the substrate is housed. A main surface of photoreceptor is moved in a first direction parallel therewith. The charging of the photoreceptor, the forming of an electrostatic latent image and the toner-developing are performed at approximately the same time and a toner image formed on the photoreceptor is transcribed onto a paper by a transcribing roller. The paper which is inserted from a first opening formed on the housing is fed in the first direction with respect to the transcribing roller through a first feeding path. A contact line sensor is arranged above the photoreceptor at a position in the vicinity of the transcribing roller. An original which is inserted from a second opening formed on the housing is fed to the line sensor in a second direction opposite to the first direction through a second feeding path. The first and second feeding paths include a common feeding path. In addition, a transcribed toner image is fixed on the paper by a fixing device.

REFERENCES:
patent: 3234020 (1966-02-01), Stockdale
patent: 4264182 (1981-04-01), Mitchell
patent: 4545669 (1985-10-01), Hays et al.
patent: 4607934 (1986-08-01), Kohyama et al.
patent: 4723138 (1988-02-01), Hashimoto et al.
patent: 4760410 (1988-07-01), Kishi

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