Canon iR6000 Service Manual

COPYRIGHT © 2000 CANON INC. 2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000
CHAPTER 3 LASER EXPOSURE SYSTEM
3-4 P
2. Generating Sync Signals
2.1 Outline
The BD signal used to synchronize video signals for laser scanning direction is generated
by the BD PCB with reference to the laser beam reflected by the BD mirror, mounted along
the path of the laser beam.
The CCD/AP PCB reads image signals from the CCD, and sends them to the controller
unit. The controller unit performs image processing, and the signals are sent to the laser
driver PCB as video signals through the DC controller PCB; they are then sent to the laser
unit as laser intensity control signals in sequence.
F03-201-01 Construction of the Control System
12-facet polygon
mirror
Laser unit
BD mirror
Photosensitive drum
BD PCB
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Canon iR6000 Specifications

General

Print Technology	Laser
Copy Resolution	600 x 600 dpi
Scan Resolution	600 x 600 dpi
Functions	Print, Copy, Scan
Print Speed	60 ppm
Duplex Printing	Yes
Network Connectivity	Ethernet
Paper Sizes	A3, A4, B4, B5
Warm-Up Time	30 seconds
Multiple Copies	Up to 999
Magnification	25-400%
Copy Speed	60 ppm (A4)