C1112 (bizhub C650i/C550i/C450i)

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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	StapleCenter Stapling/Half-Fold/Tri-Fold
Relevant electrical parts	-Stapler unit -SD control board (SDCB) -FS control board (FSCB)

Procedure

1. Check the connector between the stapler unit-SDCB J4 for proper connection and correct as necessary.
2. Check the connector of the stapler unit for proper drive coupling and correct as necessary.
3. Replace the stapler unit. (Part# A3EP560100)
4. Replace SDCB. (Part# A3ERPP6J03)
5. Replace FSCB. (Part# AAR4PP8201)

 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	StapleCenter Stapling/Half-Fold/Tri-Fold
Relevant electrical parts	-Stapler unit -SD control board (SDCB) -FS control board (FSCB)

Procedure

1. Check the connector between the stapler unit-SDCB J4 for proper connection and correct as necessary.
2. Check the connector of the stapler unit for proper drive coupling and correct as necessary.
3. Replace the stapler unit. (Part# AAR5PPE200)
4. Replace SDCB. (Part# A3ERPP6J03)
5. FSCB F7 conduction check
6. Replace FSCB. (Part# AAR5PPD401)

L.3.8.11 (Link to the Field Service Manual)