Service manual

Chapter 13
13-5
E520 0001 - Offset motor or finisher controller PCB failure
- Offset HP sensor failure
- The offset motor was driven for 1000
ms in the HP sensor approach direction,
but the offset HP sensor did not turn on.
- Check the connector of the offset HP sensor.
- Check the connector of the offset motor.
- Replace the offset HP sensor.
- Replace the offset motor.
- Replace the finisher controller PCB.
0002 - Offset motor or finisher controller PCB failure
- Offset HP sensor failure
- The offset motor was driven for 1000
ms in the HP sensor escape direction, but
the offset HP sensor did not turn off.
- Check the connector of the offset HP sensor.
- Check the connector of the offset motor.
- Replace the offset HP sensor.
- Replace the offset motor.
- Replace the finisher controller PCB.
E531 0001 - Staple unit failure
- Staple HP sensor failure
- Finisher controller PCB failure
- The staple home position was not left
when 400 ms have lapsed since start of
staple operation.
- Check the connector of the staple unit.
- Replace the staple unit.
- Replace the finisher controller PCB.
0002 - Staple unit failure
- Staple HP sensor failure
- Finisher controller PCB failure
- The staple home position had been left
once, but it was not reached again when
400 ms have lapsed since start of staple
operation. In addition, the staple home
position could not be reached by
performing reverse operation for 400 ms.
- Check the connector of the staple unit.
- Replace the staple unit.
- Replace the finisher controller PCB.
Display
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Detail
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Main Cause/Symptom Countermeasure