CHAPTER 13 TROUBLESHOOTING
COPYRIGHT
©
2002 CANON INC. 2000 CANON iR1600/iR2000 REV.1 JAN. 2002
13-38
3.4.2 DC power is absent.
AC power supply
1) Is AC voltage present?
NO: See 3.4.1 “AC power is absent.”
Power supply PCB
2) Is the output voltage of each power supply PCB correct?
Connector Output voltage
CN-11, 13 CN2-8, 9 3SV1
CN-15, 17, 19, 20 3SV2
CN2-12, 13 5VS
CN1-1 12VS
CN1-7 3VR
CN1-6 5VR
CN3-1, 2 24VR1
CN2-18 to CN2-27 24VR2
YES: Check the wiring from each power supply PCB to each load.
NO: If a fault is found, replace the power supply PCB.