Optical adjustment device for an image forming apparatus

Details Optical adjustment device for an image forming apparatus Optical adjustment device for an image forming apparatus

1996-10-03

1998-06-02

Lee, S.

Electrophotography

Image formation

Exposure

355 60, 355 66, 399 51, G03G 1530

Patent

active

057615829

ABSTRACT:
In a device for adjusting an optical system arranged in such that a scanning mirror is moved in a direction perpendicular to a main scanning line so as to reflect a line-shaped image light line by line, a first V-mirror is moved in synchronization with the scanning mirror and changes a direction of the line-shaped image light reflected from the scanning mirror toward a lens, a second V-mirror changes a direction of the line shaped image light coming from the lens toward a guide mirror, and a guide mirror projects the line-shaped image light onto a photoreceptor, the device includes a mechanism to change positions of at least two of the first V-mirror, the second V-mirror and the guide mirror so as to place the line-shaped image light at a predetermined position on the photoreceptor; and a mechanism to regulate a tilting angle of the guide mirror so as to make an incident angle of the line-shaped image light on the photoreceptor to a predetermined angle.

REFERENCES:
patent: 3740137 (1973-06-01), Sato
patent: 4457616 (1984-07-01), Tokuhara
patent: 4800413 (1989-01-01), Ito et al.
patent: 4919499 (1990-04-01), Aiba

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