Image forming apparatus capable of shortening document size dete

Details Image forming apparatus capable of shortening document size dete Image forming apparatus capable of shortening document size dete

1989-03-20

1990-10-16

Moses, R. L.

Photocopying

Contact printing

Light boxes

355 77, 355243, 355311, 355 55, 355 75, G03G 1500

Patent

active

049639340

ABSTRACT:
An image forming apparatus for forming an image on a flat image carrier having a size corresponding to a size of a document, includes a scanner for optically scanning the document to obtain an image of the document after the scanner has moved from a home position to a start position for scanning. A detector detects whether the document is at the home position. A processor determines the size of the document during the movement of the scanner away from the start position when the presence of the document is detected at the home position, and during the movement of the scanner toward the start position when the absence of the document is detected at the home position. The image of the document is formed on the image carrier in accordance with the size of the document determined by the processor.

REFERENCES:
patent: 4615610 (1986-10-01), Yoshiura
patent: 4645328 (1987-02-01), Shiraki et al.
patent: 4692019 (1987-09-01), Morimoto et al.
patent: 4695154 (1987-09-01), Watanabe
patent: 4708486 (1987-11-01), Watanabe

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