Outline Of Operations; Original Exposure System; Image Processing System - Canon imageRUNNER 330 Service Manual

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.

Original exposure system

No. 2 mirror
Extended image
processing system
System motherboard
PDL SCSI
FAX
I/F I/F
Board
Board Board
COPYRIGHT © 1999 CANON INC. CANON imageRUNNER 400/330 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Scanning lamp
No. 1 mirror
No. 3 mirror

Image processing system

Image
processor PCB
Laser
semiconductor
Laser
driver
PCB
Laser exposure system
Figure 3-100
CHAPTER 3 EXPOSURE SYSTEM
CCD unit
CCD PCB
Lens
No. 2 laser mirror
Laser beam
No. 1 laser
mirror
Photosensitive
drum
No. 3
laser
mirror
3-1