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Phaser 6280 Color Laser Printer Service Manual 2-5

Theory of Operation

Exposure

Laser beams are emitted from the laser diodes in the Laser Unit. The Drum

for each color is scanned from end to end in the axial direction as the polygon

mirror rotates, which attaches the fixed mirror and lenses to the Scanner

Motor of the Laser Unit.

Rear View

Mirror

Laser

Diodes

Laser

Diode

Board

Lens

Scanner

Polygon Mirror

Window

SOS

Sensor

SOS Board

Front

s6280-050

Laser Beam (K)

Laser Beam (C)

Laser Beam (M)

Laser Beam (Y)

Mirror

Polygon

Mirror

Lens

Drum (K)

Drum (C)

Drum (M)

Drum (Y)

Xerox Phaser 6280 Service Manual

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