Incremental printing of symbolic information – Electric marking apparatus or processes – Electrostatic
Reexamination Certificate
2006-03-14
2006-03-14
Tran, Huan (Department: 2861)
Incremental printing of symbolic information
Electric marking apparatus or processes
Electrostatic
C347S232000, C399S301000
Reexamination Certificate
active
07012628
ABSTRACT:
A printer CPU controls rotations of a photosensitive drum for black and photosensitive drums for other colors such that a phase angle difference between the photosensitive drum for black and the photosensitive drums for the other colors during image formation in a color mode is unchanged before and after execution of a black mode.
REFERENCES:
patent: 6278857 (2001-08-01), Monji et al.
patent: 6360070 (2002-03-01), Taka et al.
patent: 10-339984 (1998-12-01), None
patent: 11-119502 (1999-04-01), None
patent: 2000-284569 (2000-10-01), None
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