Photocopying – Contact printing – Light boxes
Patent
1990-06-05
1991-12-10
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
355243, 355311, G03G 1504
Patent
active
050722590
ABSTRACT:
An image forming apparatus has as control unit which controls an image formation area on a photosensitive drum in accordance with original document size information detected by an original document size detector and magnification/reduction scale determined by a selected magnification/reduction mode. Unnecessary area other than a desired image formation area is discharged.
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IBM Technical Disclosure Bulletin, vol. 19, No. 2, Jul. 1976, Underhill, "Erase Lamp Control", pp. 393-394, 355/7.
Canon Kabushiki Kaisha
Pendegrass Joan H.
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