Image on paper registration alignment

Details Image on paper registration alignment Image on paper registration alignment

2007-09-18

2007-09-18

Gray, David M. (Department: 2852)

Electrophotography

Control of electrophotography process

Forming test image

C399S049000, C399S394000

Reexamination Certificate

active

11095378

ABSTRACT:
A method is provided for aligning images on media produced by one or more print engines in an integrated print system. The method includes printing a first pattern of first symbols on a first region of a print medium with a first print engine and printing a second pattern of second symbols on a second region of the print medium with at least a second print engine in a manner to superpose the second pattern on the first pattern. The method further includes measuring a first deviation of the second pattern of second symbols relative to the first pattern of first symbols, recording the first deviation as a first offset distance relative to the first print engine, reporting the first offset distance to a controller of the second print engine, and, using the first offset distance for aligning at least the second print engine relative to the first print engine.

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