2-42 Phaser 6300/6350/6360 Color Laser Printer Service Manual
Theory of Operation
■ Imaging Unit
The Imaging Unit carries out the operations of the printing process, such
as charging, primary and secondary transfer. The Imaging Unit consists
of the following parts:
■ Laser Unit
The Laser Unit receives image data from the Engine Control Board and
generates laser beams to form an electrostatic latent image on the
surface of each of the four imaging unit drums. The Laser Unit consists of
the following parts:
The components of the Laser Unit appear in the following figure.
■ Drum (Y M C K) ■ Refresher (Y M C K)
■ Charge Roller (Y M C K) ■ IDT2
■ IDT1 (2) ■ IDT2 Cleaner
■ IDT1 Cleaner (2) ■ Waste Toner Reservoir
■ Quad-beam Laser Diode ■ Scanner Motor
■ SOS Board ■ Lenses
■ Polygon Mirror ■ Window
s6360-026
Quad-beam
Laser Diode
Polygon Mirror
Lenses
Mirrors
Mirrors
Mirrors
Drum (Y)
Drum (M)
Drum (C)
Drum (K)
: Laser beams (M)
: Laser beams (Y)
: Laser beams (C)
: Laser beams (K)