Image forming apparatus having magnification error compensation

Details Image forming apparatus having magnification error compensation Image forming apparatus having magnification error compensation

1992-09-16

1994-05-03

Grimley, A. T.

Photocopying

Contact printing

Light boxes

346160, 355210, G03G 1504

Patent

active

053092058

ABSTRACT:
An image forming device for forming an image of an original image comprises a device for measuring an error of magnification of an optical system incorporated in the image forming device, and compensating for the size of the image to be formed. Magnification error of the optical device can be compensated for without forming an image on a sheet of paper.

REFERENCES:
patent: 4441805 (1984-04-01), Smith
patent: 4619520 (1986-10-01), Araya
patent: 4782361 (1988-11-01), Spinelli et al.
patent: 5006934 (1991-04-01), Hashimoto et al.
patent: 5105075 (1992-04-01), Ohta et al.
patent: 5117256 (1992-05-01), Haibara

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