6.
LASER EXPOSURE
An electrostatic latent image is formed on the surface of the PC Drum by a laser light emit-
ted from the print head.
PC Drum
(1)
FD Direction (vertical scanning direction)
• The Polygon Motor and Main Motor are energized by the PRINT signal, which starts a
paper take-up sequence.
• The printing action in the FD direction is started when the Image Transfer Belt Position-
ing Sensor is activated.
(2)
CD Direction (horizontal scanning direction)
• The printing action in the CD direction is started by the SOS signal sent from the Laser
Control Board.
Polygon Motor (M3)
4131M005AB
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