Image forming apparatus having a first mode for forming a multic

Details Image forming apparatus having a first mode for forming a multic Image forming apparatus having a first mode for forming a multic

1989-11-20

1991-03-05

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355326, G03G 1501

Patent

active

049981455

ABSTRACT:
The invention provides a color image forming apparatus capable of forming a mono-color image and a multi-color image on a rotatable photoreceptor having a given circumferential length. In the apparatus, there are provided a selection switch for selecting either a mono-color mode for forming a mono-color image or a multi-color mode for forming a multi-color image, and a control circuit responsible to a selection signal of the selection switch so that, when the multi-color made is selected, an image size of a multi-color image is restricted within a maximum size corresponding to the circumferential length of the photoreceptor.

REFERENCES:
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patent: 4796056 (1989-01-01), Ito
patent: 4876570 (1989-10-01), Iwaya
patent: 4878091 (1989-10-01), Morita et al.

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