858
DP-C405/C305/C265
FEB 2008Ver. 1.1
12.1.5.4.2. Troubleshooting (Punch Unit, Option)
1. E7-54, Communication Faulty
Table 5-025
2. E7-55, Punch Unit Power Supply Fault
Table 5-027
3. E7-28, Punch Motor Fault
Table 5-028
Finisher Controller PCB, Punch Controller PCB
1) Turn off and then on the host machine. Is the problem corrected?
YES:End.
Wiring
2) Is the wiring between the Finisher Controller PCB and the punch controller PCB
normal?
NO : Correct the wring.
Power Supply
3) Measure the voltage between CN14-5 (+) and CN14-3 (-) on the Finisher
Controller PCB. Is it 24VDC?
YES:Replace the punch controller PCB.
NO :Replace the Finisher Controller PCB.
Finisher Controller PCB, Host Machine DC Controller PCB
1) Turn off and then off the host machine. Is the problem corrected?
YES:End.
Wiring
2) Is the wiring between the Finisher Controller PCB and the punch controller PCB
normal?
NO : Correct the wring.
Power Supply
3) Measure the voltage between CN14-5 (+) and CN4-3 (-) on the Finisher
Controller PCB. Is it 24 VDC?
YES:Replace the punch controller PCB.
NO :Replace the Finisher Controller PCB.
Punch Motor Home Position Sensor (PI1P)
1) Check the punch home position sensor. Is the sensor normal?
NO : Replace the sensor.
Punch Motor Clock Sensor (PI3P)
2) Check the punch motor clock sensor. Is the sensor normal?
NO : Replace the sensor.
Wiring
3) Is the wiring between the Finisher Controller PCB and the sensor normal?
NO : Correct the wring.
Punch Mechanism, Punch Motor (M1P)
4) Is there a fault in the punch mechanism?
YES:Correct the punch mechanism.
NO : Replace the punch motor.
Punch Controller PCB, Finisher Controller PCB
5) Try replacing the punch controller PCB. Is the problem corrected?
YES:End.
NO : Replace the Finisher Controller PCB.
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