Service manual

COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 5 LASER EXPOSURE SYSTEM
5-2
Figure 5-102
Image processor PCB
Laser driver PCB
DC controller PCB
Photosensitive drum
BD sensor PCB
Laser mirror
BD mirror
6 sided mirror
Laser scanner motor
Condensing
lens
Laser unit
BD signal
Laser scanner motor drive signal
Laser drive signal
VDO VDO*
Related error code
##0323: Laser scanner assembly BD signal output error
Laser scanner motor rpm error
Related service mode
The printer status is displayed as follows: Service mode > TEST MODE> 6: FACULTY
TEST>6-3: SENSOR> Press Numeric key 5. Check the main motor fault condition by
status 8 service technician call status Bit 2.
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