Image forming apparatus

Details Image forming apparatus Image forming apparatus

2005-11-10

2008-11-04

Tran, Huan H (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

Reexamination Certificate

active

07446794

ABSTRACT:
The optical path of scanning light E1reaching the photosensitive drum82aclosest to the installation plane S of a plurality of photosensitive drums82a, 82b, 82c, and82dis provided at the photosensitive drum side with respect to the optical path of scanning light E2deflected and scanned on the same side as the side of polygon mirror10for deflecting and scanning the laser beam, from the polygon mirror10to folding mirrors24, 26.The invention presents a technology capable of equalizing the length of optical paths if the regulation of optical unit in height direction is different at both sides of the rotary polyhedral mirror.

REFERENCES:
patent: 6049350 (2000-04-01), Yamaguchi
patent: 6201561 (2001-03-01), Ichikawa
patent: 6801239 (2004-10-01), Nakahata
patent: 2003/0112316 (2003-06-01), Aruga et al.
patent: 2003/0210324 (2003-11-01), Sung et al.
patent: 2004/0174427 (2004-09-01), Iwamoto
patent: 2005/0093968 (2005-05-01), Iwamoto
patent: 2006/0103716 (2006-05-01), Iwamoto
patent: 2006/0250495 (2006-11-01), Iwamoto
patent: 2004-21133 (2004-01-01), None

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