C1113 (bizhub C750i)

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When FS-539SD is installed

Contents

Trouble type	C1113: Stopper drive motor malfunction (When FS-539SD is installed)
Rank	B
Trouble detection condition	The stopper home sensor (PS106) is not turned OFF (unblocked) or ON (blocked) even after the set period of time has elapsed after the stopper drive motor (M104) is energized.
Trouble isolation	-StapleCenter -Stapling/Half-Fold/Tri-Fold
Relevant electrical parts	-Stopper drive motor (M104) -Stopper home sensor (PS106) -SD control board (SDCB) -FS control board (FSCB)

Procedure

1. Check the connector between M104-SDCB J10 for proper connection and correct as necessary.
2. Check the connector of M104 for proper drive coupling and correct as necessary.
3. Check the connector between PS106-SDCB J10 for proper connection and correct as necessary.
4. PS106 I/O check, sensor check
   • Control signal: SDCB J10-5 (ON)
   • Location of electrical component: FS-539/FS-539SD 2-P
5. M104 operation check
   • Control signal: SDCB J10-6 to 9
   • Location of electrical component: FS-539/FS-539SD 2-P
6. Replace M104. (Part# A3EPPP5600)
7. Replace SDCB. (Part# A3ERPP6J03)
8. Replace FSCB. (Part# AAR4PP8201)

 When FS-540SD is installed

Contents

Trouble type	C1113: Stopper drive motor malfunction (When FS-540SD is installed)
Rank	B
Trouble detection condition	The stopper home sensor (PS106) is not turned OFF (unblocked) or ON (blocked) even after the set period of time has elapsed after the stopper drive motor (M104) is energized.
Trouble isolation	StapleCenter Stapling/Half-Fold/Tri-Fold
Relevant electrical parts	-Stopper drive motor (M104) -Stopper home sensor (PS106) -SD control board (SDCB) -FS control board (FSCB)

Procedure

1. Check the connector between M104-SDCB J10 for proper connection and correct as necessary.
2. Check the connector of M104 for proper drive coupling and correct as necessary.
3. Check the connector between PS106-SDCB J10 for proper connection and correct as necessary.
4. PS106 I/O check, sensor check
   • Control signal: SDCB J10-5 (ON)
   • Location of electrical component: FS-540/FS-540SD 2-P
5. M104 operation check
   • Control signal: SDCB J10-6 to 9
   • Location of electrical component: FS-540/FS-540SD 2-P
6. Replace M104. (Part# A3EPPP5600)
7. Replace SDCB. (Part# A3ERPP6J03)
8. Replace FSCB. (Part# AAR5PPD401)

(Link to the Field Service Manual)