Image forming apparatus with positional adjustment of exposure a

Details Image forming apparatus with positional adjustment of exposure a Image forming apparatus with positional adjustment of exposure a

1990-12-20

1991-11-19

Hix, L. T.

Photocopying

Projection printing and copying cameras

With developing

355 77, 355 45, 355 43, G03B 2752

Patent

active

050669729

ABSTRACT:
A slide printer exposes an elongated microcapsule sheet to a light image in an exposure position, and, thereafter, a pressure development unit forms a visible output image on a developer sheet superposed with the exposed portion of the microcapsule sheet. The slide printer includes two light paths which are provided between a slide projector and an exposure stand in the exposure position and switched by a movable reflector according to a selected one of A4 size and A3 size of the developer sheet. A first and second exposure area to be exposed to the light image are selectively set on the microcapsule sheet in the exposure stand. The second exposure area corresponding to A4 size is arranged within the first exposure area corresponding to A3 size and in the nearest position to the development unit in a feed path of the microcapsule sheet, thereby preventing an unexposed portion of the microcapsule sheet from being left on the side close to the development unit of the second exposure area.

REFERENCES:
patent: 4782361 (1988-11-01), Spinelli et al.

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