Xerographic process controls scheduling approach to mitigate...

Details Xerographic process controls scheduling approach to mitigate... Xerographic process controls scheduling approach to mitigate...

2011-04-19

2011-04-19

Chen, Sophia S (Department: 2852)

Electrophotography

Diagnostics

Consumable

C399S049000

Reexamination Certificate

active

07929872

ABSTRACT:
A method and apparatus for maintaining color consistency includes varying a sampling interval to balance the benefit of xerographic process controls regulation with the cost of sampling. The request to sample is triggered by external indicators (area coverage, carrier age, relative humidity, temperature, etc.). Before the developed mass is expected to go out of range because of the external indicators, a patch measurement is made and the system is controlled back towards its desired set-point.

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