Methods for determining when to transition between color...

Details Methods for determining when to transition between color... Methods for determining when to transition between color...

2011-08-23

2011-08-23

Royer, William J (Department: 2852)

Electrophotography

Machine operation

Job mode

C399S223000, C399S228000, C399S298000

Reexamination Certificate

active

08005391

ABSTRACT:
The present application is directed to methods for determining when to transition between printing color images and printing black-only images in an image forming device. A variety of factors may be evaluated in order to select a trigger value. An examined portion of a print history and an examined portion of a print queue may be evaluated to determine one or more test values. Based on a comparison of the one or more test values with the trigger value, a determination may be made whether to transition between color printing and black-only printing.

REFERENCES:
patent: 6029023 (2000-02-01), Munemori et al.
patent: 7046938 (2006-05-01), Yamamoto et al.
patent: 7349658 (2008-03-01), Ogata et al.

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