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C1109 (bizhub 750i)
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When FS-539 or FS-539SD is installed
Contents
| Trouble type | C1109: Stapler motor drive malfunction (When FS-539 or FS-539SD is installed) |
| Rank | B |
| Trouble detection condition | -The stapler sensor is not turned OFF or ON even after the set period of time has elapsed after the stapler motor is energized. -The stapler center position sensor (PS24) is turned ON (blocked), when the stapler motor is running. |
| Trouble isolation | Staple |
| Relevant electrical parts | -Stapler unit -Stapler center position sensor (PS24) -FS control board (FSCB) |
Procedure
- Check the connector between the stapler unit-relay CN6-FSCB J11 for proper connection and correct as necessary.
- Check the connector of the stapler unit for proper drive coupling and correct as necessary.
- Check the connector between PS24-relay CN3-FSCB J11 for proper connection and correct as necessary.
- PS24 I/O check, sensor check
- Control signal: FSCB J11<B>-6 (ON)
- Location of electrical component: FS-539/FS-539SD 5-C
- Replace the stapler unit. (Part# A3EP560100)
- Replace FSCB. (Part# AAR4PP8201)
When FS-540 or FS-540SD is installed
Contents
| Trouble type | C1109: Stapler motor drive malfunction (When FS-540 or FS-540SD is installed) |
| Rank | B |
| Trouble detection condition | -The stapler sensor is not turned OFF or ON even after the set period of time has elapsed after the stapler motor (M5) is energized. -The stapler center position sensor (PS20) is turned ON (blocked), when the stapler motor (M5) is running. |
| Trouble isolation | Staple |
| Relevant electrical parts | -Stapler unit -Stapler center position sensor (PS20) -FS control board (FSCB) |
Procedure
- Check the connector between the stapler unit-FSCB J17 for proper connection and correct as necessary.
- Check the connector of the stapler unit for proper drive coupling and correct as necessary.
- Check the connector between PS20-FSCB J16 for proper connection and correct as necessary.
- PS20 I/O check, sensor check
- Control signal: FSCB J16<A>-3
- Location of electrical component: FS-540/FS-540SD 14-K to L
- Replace the stapler unit. (Part# AAR5PPE200)
- Replace FSCB. (Part# AAR5PPD401)