Photocopying – Contact printing – Light boxes
Patent
1991-10-04
1993-08-31
Grimley, A. T.
Photocopying
Contact printing
Light boxes
118645, 355251, G03G 1501
Patent
active
052413578
ABSTRACT:
Color image forming equipment for transferring a multicolor image from a photoconductive element to a recording medium by a single transfer. A pulse bias is applied as a bias for development. The development in the second and successive colors is implemented by non-contact development using a thin layer of non-magnetic single-component toner. The toner for effecting the development the second and successive colors has the same polarity as an electrostatic latent image.
REFERENCES:
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patent: 4937630 (1990-06-01), Yoshikawa et al.
patent: 4947200 (1990-08-01), Kumasaka et al.
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patent: 4947215 (1990-08-01), Chuang
patent: 4959286 (1990-09-01), Tabb
patent: 5066979 (1991-11-01), Goto et al.
Dang T. A.
Grimley A. T.
Ricoh & Company, Ltd.
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