Method and apparatus for forming multicolor toner images

Details Method and apparatus for forming multicolor toner images Method and apparatus for forming multicolor toner images

1990-10-01

1992-02-11

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355327, G03G 1514, G03G 1501

Patent

active

050879456

ABSTRACT:
Multicolor toner images are formed by first forming separate color images by four separate image-forming devices. Two of those images are transferred in registration to a first intermediate drum to form a two-color image which two-color image is then transferred to a second intermediate drum. The third and fourth color toner images are transferred in registration to the second intermediate drum to form a four-color toner image. The transfer of the two-color image to the second intermediate drum can be accomplished before or after transfer of the third and fourth images. The four-color toner image can be transferred to a receiving sheet in one step.

REFERENCES:
patent: 4162843 (1979-07-01), Inoue et al.
patent: 4232961 (1980-11-01), Masuda
patent: 4428662 (1984-01-01), Day
patent: 4580889 (1986-04-01), Hiranuma et al.
patent: 4967236 (1990-10-01), Rodenberg et al.
patent: 4987455 (1991-01-01), Lubberts

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