Canon GP405 - Outline of Operations

COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
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CHAPTER 3 EXPOSURE SYSTEM
I. OUTLINE OF OPERATIONS
A. Outline
The machine's original exposure system consists of the following: the scanning lamp, exposes
originals; the mirror mount used kd to expose omirror mount, which forms an optical path between
an original and the CCD; and the scanner motor, which drives the scanner.
Figure 3-100
Original exposure system
Image processing system
Extended image
processing system
Lens
CCD PCB
CCD unit
Image
processor PCB
Scanning lamp
No. 1 mirror
No. 2 mirror
No. 3 mirror
Laser exposure system
Laser
driver
PCB
Laser
semiconductor
No. 3
laser
mirror
Laser beam
No. 2 laser mirror
No. 1 laser
mirror
System motherboard
FAX
Board
Photosensitive
drum
PDL
I/F
Board
SCSI
I/F
Board