Laser scanning unit and tandem image forming apparatus...

Details Laser scanning unit and tandem image forming apparatus... Laser scanning unit and tandem image forming apparatus...

2007-10-30

2007-10-30

Tran, Huan (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

C347S244000, C359S204200

Reexamination Certificate

active

11356066

ABSTRACT:
A laser scanning unit includes a light source for emitting a plurality of laser beams, a rotating polygon mirror for deflecting the plurality of laser beams in a predetermined direction, an fθ lens for transmitting the deflected laser beams to be scanned onto the surfaces of a plurality of photosensitive drums, and a beam splitter disposed at a rear end of the fθ lens for splitting the laser beams. The laser scanning unit may be used for a tandem image forming apparatus.

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patent: 6831763 (2004-12-01), Takakubo
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patent: 2004-226884 (2004-08-01), None
patent: 10-2005-0017859 (2005-02-01), None

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