Image forming apparatus

Details Image forming apparatus Image forming apparatus

2006-09-05

2006-09-05

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Photoconductive member

Reexamination Certificate

active

07103302

ABSTRACT:
The image forming apparatus includes a plurality of rotation members for bearing respective images, a plurality of motors for driving and rotating the plurality of rotation members, respectively, a phase detector for detecting phases of the plurality of rotation members, and a phase adjusting device for carrying out adjustment so that phase differences among the plurality of rotation members have a predetermined relationship, in which the phase adjusting device carries out the adjustment before the motor in rotation is stopped, and stops the motor after completion of the adjustment. Accordingly, a first print time can be shortened without executing an unnecessary phase adjustment sequence after activating motors. Alternatively, after executing and completing the phase adjustment, the motors are stopped.

REFERENCES:
patent: 5881346 (1999-03-01), Mori et al.
patent: 0 895 132 (1999-02-01), None
patent: 1 429 201 (2004-06-01), None
patent: 9-146329 (1997-06-01), None
patent: 2000-187428 (2000-07-01), None
patent: 2001-22147 (2001-01-01), None
Patent Abstracts of Japan, Publication No. 2000-187428, Jul. 4, 2000.

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