Multi-color image forming system

Details Multi-color image forming system Multi-color image forming system

1992-09-18

1994-07-12

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355210, G03G 1501

Patent

active

053293460

ABSTRACT:
The present invention aims to solve problems caused in forming multiple images on the same transfer sheet in response to an original by using black toner and color toner, and prevents a shade of the original from being developed by the color toner which results in the indistinct copy image. To this end, according to the present invention, an area developed by the color toner is made narrower than an area developed by the black toner.

REFERENCES:
patent: 4866481 (1989-09-01), Yamada et al.
patent: 4866486 (1989-09-01), Higashio et al.
patent: 5066972 (1991-11-01), Nagata et al.
patent: 5175570 (1992-12-01), Haneda et al.

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