Electrophotography – Machine operation – Job mode
Reexamination Certificate
2003-04-18
2004-09-07
Braun, Fred (Department: 2852)
Electrophotography
Machine operation
Job mode
C399S044000, C399S085000
Reexamination Certificate
active
06788907
ABSTRACT:
BACKGROUND
Many printers have distinct color and monochrome print modes, each of which may be capable of printing pages at equal speed. Monochrome pages may typically be printed in either the monochrome or full-color mode, while color pages may be printed only in the full-color mode. Printing monochrome pages in the full-color mode may increase wear on consumables within the printer, such as toner cartridges, print drums, etc. For this reason, certain prior art printers print each color page of a print job in the full-color print mode and each monochrome page in the monochrome print mode. However, switching print modes between pages of the print job in this manner causes delay and additional wear on printer parts and consumables.
REFERENCES:
patent: 6636711 (2003-10-01), Katahira
patent: 6751425 (2004-06-01), Fujimori et al.
Anderson James E.
Borg Michael J.
Burkes Theresa A.
Smith David E.
Tyson Ben B.
Braun Fred
Hewlett--Packard Development Company, L.P.
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