Canon GP405 - Page 487

COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
14-69
CHAPTER 14 TROUBLESHOOTING
J103-B
DC controller PCB
(DC driver)
J209-B
Composite power supply PCB
J209-A
J103-A
1212
J204
J203
24VU VSS
24VU VSS
1234
J111
J714-A
Image processor PCB
J113-A
DIMM (J721)
DIMM (J722)
J205
T502
PRIMARY
DEVELOP
TRANSFER
3 2 1
PSI PSO PACK PREQ
12 13 14 15 16
9 8 7 6 5
12
12
PSI
➝
PSO PACK PREQ
12 11 10 9 8 7 6
1 2 3 4 5 6 7
Check
continuity.
Check for
disconnection.
➝
Figure 14-404