Color synchronization method and color laser printer

Details Color synchronization method and color laser printer Color synchronization method and color laser printer

2005-05-03

2005-05-03

Tran, Huan (Department: 2861)

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

C347S234000, C399S301000

Reexamination Certificate

active

06888555

ABSTRACT:
A color synchronization method and a color laser printer form a color image by forming an electrostatic latent image on a photosensitive body using a laser scanning unit, developing the electrostatic latent image, and transferring the developed image onto a transfer belt. The printer includes a light source which radiates light, a timing belt which rotates the photosensitive body, a plurality of timing displays, which are provided on the timing belt at a constant interval, and on which the light radiated from the light source is incident, and a light receiving portion which detects the light reflected or transmitted by the timing displays. Synchronization for each color is controlled in response to a signal received by the light receiving portion.

REFERENCES:
patent: 4990969 (1991-02-01), Rapkin
patent: 5016062 (1991-05-01), Rapkin
patent: 5444525 (1995-08-01), Takahashi et al.
patent: 6269229 (2001-07-01), Yamamoto

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