Method and apparatus for detecting registration errors in an...

Details Method and apparatus for detecting registration errors in an... Method and apparatus for detecting registration errors in an...

2007-08-14

2007-08-14

Gray, David M. (Department: 2852)

Electrophotography

Image formation

Transfer

C347S116000

Reexamination Certificate

active

10741707

ABSTRACT:
A method of forming a registration pattern to enable detection of registration errors in an image forming device includes forming a first registration mark on a substrate at a first image forming station, and partially erasing the first registration mark formed on the substrate at a second image forming station to form the registration pattern. A method of automatically detecting the registration errors further comprises sensing the registration pattern, and detecting registration errors based on the registration pattern.

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