Image forming apparatus having a plurality of mirror members eac

Details Image forming apparatus having a plurality of mirror members eac Image forming apparatus having a plurality of mirror members eac

1996-05-17

1998-09-01

Tso, Edward

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

G02B 2608

Patent

active

058017461

ABSTRACT:
The present invention is to provide image forming apparatus comprising an optical exposer unit capable of forming a color image having no color shift. The optical exposer unit includes a plurality of mirrors reflecting laser beams reflected by a reflector and passed through first to third image-form lenses in predetermined order. At least one of the respective laser beams reflected by each of the respective mirrors toward a photosensitive drum is guided to the photosensitive drum through a transparent plate provided to form an angle of 90.degree.-0.3.degree. and/or 90.degree.+0.3.degree. with each of the laser beams.

REFERENCES:
patent: 5008686 (1991-04-01), Saito
patent: 5181137 (1993-01-01), Koide
patent: 5438450 (1995-08-01), Saito
patent: 5457550 (1995-10-01), Baba et al.
patent: 5485194 (1996-01-01), Tateoka

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