Color image forming apparatus having different ejection parts fo

Details Color image forming apparatus having different ejection parts fo Color image forming apparatus having different ejection parts fo

1990-07-26

1991-12-17

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355321, 355326, G03G 2100

Patent

active

050738011

ABSTRACT:
A color image forming apparatus has a plurality of developing devices and an automatic paper feed unit and a manual paper feed unit, each paper feed unit having a paper feed cassette. The paper feed units are provided below a belt-shaped image retainer. Paper ejection ports are provided above the image retainer for ejecting transfer materials which are fed from a paper feed unit, one of the paper ejection ports being selected according to the thickness of the transfer material. A thermal fixing condition is varied according to the transfer material thickness.

REFERENCES:
patent: 4652110 (1987-03-01), Sato et al.
patent: 4699503 (1987-10-01), Hyltoft
patent: 4868608 (1989-09-01), Allen, Jr. et al.
patent: 4920382 (1990-04-01), Mills et al.
patent: 4945390 (1990-07-01), Hasegawa et al.

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