Systems and methods for reducing image registration errors

Details Systems and methods for reducing image registration errors Systems and methods for reducing image registration errors

2007-07-17

2007-07-17

Gray, David M. (Department: 2852)

Electrophotography

Image formation

Photoconductive member

C399S375000

Reexamination Certificate

active

11109558

ABSTRACT:
An image processing apparatus including tandem print engines is provided for forming an image on an image receiving substrata. The apparatus includes a first print engine and a second print engine downstream from the first print engine. The second print engine is slaved to the first print engine. The first print engine has a first photoreceptor and a first period of revolution. The second print engine has a second photoreceptor and a second period of revolution. The image processing apparatus further includes an intermediate inverter that inverts the image receiving substrate between the first print engine and the second print engine. The inverter determines a phase difference between a first seam signal from the first photoreceptor and a second seam signal from the second photoreceptor.

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