Original Exposure System; Outline - Canon GP215 Service Manual

3. OPERATIONS AND TIMING
II. ORIGINAL EXPOSURE SYSTEM
A. Outline
The original exposure system here refers to the functions involved between the illumination of an orig-
inal and the projection of the reflected light on the CCD. Figure 3-201 shows its outline and Figure 3-202,
its construction.

Original exposure system

No. 2 mirror
No. 3 mirror
CORE/IP Board
Printer
FAX
Board
Board
3–20
COPYRIGHT © 1996 CANON INC.
Scanning lamp
No. 1 mirror
Image processing system
Image processor
PCB
Laser
Laser
Driver
Laser exposure system
Figure 3-201
CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
CCD
Lens
Analog
processor
PCB
Laser beam
Laser
mirror
Photo-
sensitive
drum