C1114 (bizhub C750i)

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When FS-539SD is installed

Contents

Trouble type	C1114: Alignment motor drive malfunction (When FS-539SD is installed)
Rank	B
Trouble detection condition	The alignment home sensor (PS104) is not turned OFF (unblocked) or ON (blocked) even after the set period of time has elapsed after the alignment motor (M103) is energized.
Trouble isolation	Center Stapling/Half-Fold/Tri-Fold
Relevant electrical parts	-Alignment motor (M103) -Alignment home sensor (PS104) -SD control board (SDCB) -FS control board (FSCB)

Procedure

1. Check the connector between M103-relay CN26-SDCB J7 for proper connection and correct as necessary.
2. Check the connector of M103 for proper drive coupling and correct as necessary.
3. Check the connector between PS104-relay CN26-SDCB J7 for proper connection and correct as necessary.
4. PS104 I/O check, sensor check
   • Control signal: SDCB J7-6 (ON)
   • Location of electrical component: FS-539/FS-539SD 6-P
5. M103 operation check
   • Control signal: SDCB J7-7 to 10
   • Location of electrical component: FS-539/FS-539SD 6-P
6. Replace M103. (Part# A3EPPP5600)
7. Replace SDCB. (Part# A3ERPP6J03)
8. Replace FSCB. (Part# AAR4PP8201)

 When FS-540SD is installed

Contents

Trouble type	C1114: Alignment motor drive malfunction (When FS-540SD is installed)
Rank	B
Trouble detection condition	The alignment home sensor (PS104) is not turned OFF (unblocked) or ON (blocked) even after the set period of time has elapsed after the alignment motor (M103) is energized.
Trouble isolation	Center Stapling/Half-Fold/Tri-Fold
Relevant electrical parts	-Alignment motor (M103) -Alignment home sensor (PS104) -SD control board (SDCB) -FS control board (FSCB)

Procedure

1. Check the connector between M103-relay CN29-SDCB J7 for proper connection and correct as necessary.
2. Check the connector of M103 for proper drive coupling and correct as necessary.
3. Check the connector between PS104-relay CN29-SDCB J7 for proper connection and correct as necessary.
4. PS104 I/O check, sensor check
   • Control signal: SDCB J7-6 (ON)
   • Location of electrical component: FS-540/FS-540SD 6-P
5. M103 operation check
   • Control signal: SDCB J7-7 to 10
   • Location of electrical component: FS-540/FS-540SD 5-P
6. Replace M103. (Part# A3EPPP5600)
7. Replace SDCB. (Part# A3ERPP6J03)
8. Replace FSCB. (Part# AAR5PPD401)

(Link to the Field Service Manual)