Color image forming apparatus and method

Details Color image forming apparatus and method Color image forming apparatus and method

1998-02-27

2000-08-22

Smith, Matthew S.

Electrophotography

Having particular structure

Modular or displaceable

347233, 347248, 347262, B41J 2385, G03G 1501

Patent

active

061085014

ABSTRACT:
A color image forming apparatus and method avoid a problem of color image shifting due to respective line start times that are largely shifted in a sub-scanning direction. The method and apparatus include compensation mechanisms configured to adjust the start position of writing images of respective color components in the sub-scanning direction and thereby compensating the color shift, by changing over the light beam by first writing the images of the respective colors on the photosensitive body among the plural light beams in accordance with a phase relationship between the phase of the intermediate transfer standard signal and that of the line synchronization signal.

REFERENCES:
patent: 5006705 (1991-04-01), Saito et al.
patent: 5471236 (1995-11-01), Ito
patent: 5737006 (1998-04-01), Wong
patent: 5774169 (1998-06-01), Ikegawa et al.
patent: 5774248 (1998-06-01), Komatsu
patent: 5821978 (1998-10-01), Yamamoto et al.

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