Automatic copy quality correction and calibration

Details Automatic copy quality correction and calibration Automatic copy quality correction and calibration

H - Electricity

04

N

H04N 1/00 (2006.01) G03G 15/00 (2006.01) H04N 1/21 (2006.01) H04N 1/23 (2006.01) H04N 1/60 (2006.01)

Patent

CA 2121620

A digital copier includes an automatic copy quality correction and calibration method that corrects a first component of the copier using a known test original before attempting to correct other components that may be affected by the first component. Preferably, a scanner subsystem is first calibrated by scanning a known original and electronically comparing the scanned digital image with a stored digital image of the original. A hard copy of a known test image is then printed by a printer subsystem and the calibrated scanner subsystem scans the hard copy. The scanned digital image is electronically compared with the test image and the printer subsystem is calibrated based on the comparison.

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