Duplex image alignment

Details Duplex image alignment Duplex image alignment

1999-06-29

2000-09-12

Chen, Sophia S.

Electrophotography

Diagnostics

Document handling

399364, 399394, G03G 1500

Patent

active

061189502

ABSTRACT:
A method of aligning duplex images on an imaging device such as a printer or copier includes duplex imaging a test sheet having indicia on each side of the sheet that communicate, when observed in a single visual context, duplex imaging adjustment parameters for the imaging device. The method further includes modifying imaging parameters of the imaging device based on the duplex imaging adjustment parameters communicated. The indicia on each side of the sheet are seen in a single visual context by observing certain of the indicia through the media, as when the media is held up to a light source. In a preferred embodiment, the indicia on each side of the sheet includes respective portions of a vernier scale. The imaging parameters are modified by entering the adjustment parameters at a control panel of the imaging device. Imaging parameters modified include timing parameters associated with the process of writing data on the imaging device. In addition to the method, an imaging device includes components, data and executable instructions necessary for implementing the above described method.

REFERENCES:
patent: 4831420 (1989-05-01), Walsh et al.
patent: 5646744 (1997-07-01), Knox
patent: 5666208 (1997-09-01), Farrell et al.

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