Method of detecting a rotation of print cartridge components

Electrophotography – Control of electrophotography process – Of plural processes

Reexamination Certificate

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C399S301000, C347S116000

Reexamination Certificate

active

07035558

ABSTRACT:
A method of detecting rotation of at least one printer component includes forming at least one pattern on a marking material receiving part, moving the marking material receiving part past a sensor configured to detect the presence of the pattern, sensing the marking material receiving part with the sensor, and selectively operating a printing system in response to a positive detection of the pattern.

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