Photocopying – Contact printing – Light boxes
Patent
1988-03-04
1989-09-05
Prescott, A. C.
Photocopying
Contact printing
Light boxes
355315, G03G 1500, G03G 1514
Patent
active
048643580
ABSTRACT:
A color image forming apparatus having optics for scanning, photoconductive means and transfer means which are driven independently of each other, repetitively scanning a color original document by the optics to sequentially form latent images associated with the document on the photoconductive means which is rotating, developing each of the latent images by color toner when it is formed, sequentially transferring the resulting toner images to a paper sheet which is held on the transfer means which is rotated in contact with the photoconductive means in a predetermined transfer region, separating the paper sheet from the transfer means after the transfer by separator means which is located near the transfer means, and transporting the paper sheet separated from the transfer means to fixing means to complete a color copy. The separator means is located such that the distance between the transfer region and the separator means is shorter than a dimension of a paper sheet of the smallest size usable with the apparatus as measured in an intended direction of paper transfer. The distance between the separator means and the fixing means is longer than a dimension of a paper sheet of the largest size usable with the apparatus as measured in the intended direction of paper sheet.
REFERENCES:
patent: 4338017 (1982-07-01), Nishikawa
patent: 4370051 (1983-01-01), Matsuyama et al.
patent: 4411511 (1983-10-01), Ariyama et al.
patent: 4740813 (1988-04-01), Roy
patent: 4748473 (1988-05-01), Tsuruoka
patent: 4751547 (1988-06-01), Fratangelo
Prescott A. C.
Ricoh & Company, Ltd.
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