C1112 (bizhub 950i/850i)
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When FS-539SD is installed
Contents
| Trouble type | C1112: Stapler motor malfunction (When FS-539SD is installed) |
| Rank | B |
| Trouble detection condition | – The stapler home sensor is not turned ON even after the set period of time has elapsed while the stapler motor is energized. – The stapler home sensor is not turned OFF even after the set period of time has elapsed after the stapler home sensor is turned ON. |
| Trouble isolation | – Staple – Center Stapling/Half-Fold/Tri-Fold |
| Relevant electrical parts | – Stapler unit – SD control board (SDCB) – FS control board (FSCB) |
Procedure
- Check the connector between the stapler unit-SDCB J4 for proper connection and correct as necessary.
- Check the connector of the stapler unit for proper drive coupling and correct as necessary.
- Replace the stapler unit.
- Replace SDCB.
- Replace FSCB.
When FS-540SD is installed
Contents
| Trouble type | C1112: Stapler motor malfunction (When FS-540SD is installed) |
| Rank | B |
| Trouble detection condition | – The stapler home sensor is not turned ON even after the set period of time has elapsed while the stapler motor is energized. – The stapler home sensor is not turned OFF even after the set period of time has elapsed after the stapler home sensor is turned ON. |
| Trouble isolation | – Staple – Center Stapling/Half-Fold/Tri-Fold |
| Relevant electrical parts | – Stapler unit – SD control board (SDCB) – FS control board (FSCB) |
Procedure
- Check the connector between the stapler unit-SDCB J4 for proper connection and correct as necessary.
- Check the connector of the stapler unit for proper drive coupling and correct as necessary.
- Replace the stapler unit.
- Replace SDCB.
- FSCB F7 conduction check
- Replace FSCB.