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2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
4-35 T
4.3 Reader Unit
4.3.1 The No. 1 mirror base fails to move.
1. Initial check
Is the scanner motor driven?
YES: Go to step 2.
NO: Go to step 4.
2. Cable (displacement, broken), Drive belt (displaced, broken)
Is the scanner drive cable or the drive belt normal?
NO: Replace or correct the cable of the drive belt.
3. Scanner path (foreign matter)
Move the scanner by hand. Does it move smoothly?
NO: Remove the dirt/foreign matter from the scanner rail. Remove any
object that comes into contact with the scanner. Use alcohol for
cleaning; thereafter, apply a small amount of silicone oil (FY9-
6010).
If the inverter PCB is not positioned correctly, it can come into
contact with the scanner.
4. Wiring, Connector
Is the connection of the wiring and connectors from J401 of the reader con-
troller PCB to the scanner motor correct?
NO: Correct the wiring, and connect the connectors securely.
5. Scanner motor (M400), Reader controller PCB
Is the drive signal present at J401 of the reader controller PCB? (J401-5/6:
+24 V, J401-1/2/3/4: drive pulse)
YES: Replace the scanner motor.
NO: Replace the reader controller PCB.