C1109 (bizhub C759/C659)

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Contents

Trouble type	C1109: Stapler motor drive malfunction
Rank	B
Trouble detection condition	<When FS-536 or FS-536SD is installed> -The stapler home position sensor (rear) (PS23) is not turned OFF (unblocked) or ON (blocked) even after the set period of time has elapsed after the stapler motor (M14) turned ON. -The stapler position sensor (center) (PS24) is turned ON (blocked), when the stapler motor (M14) is running.
	<When FS-537 or FS-537SD is installed> -The stapler home position sensor (PS18/PS19) is not turned OFF (unblocked) or ON (blocked) even after the set period of time has elapsed after the stapler motor (M5) turned ON. -The stapler position sensor (center) (PS20) is turned ON (blocked), when the stapler motor (M5) is running.
Trouble isolation	Staple
Relevant electrical parts	<When FS-536 or FS-536SD is installed> -Stapler unit -Stapler home position sensor (rear) (PS23) -Stapler position sensor (center) (PS24) -FS control board (FSCB)
	<When FS-537 or FS-537SD is installed> -Stapler unit -Stapler home position sensor (corner) (PS18) -Stapler home position sensor (rear) (PS19) -Stapler position sensor (center) (PS20) -FS control board (FSCB)

 Procedure

 When FS-536 or FS-536SD is installed

1. Check the connector between the stapler unit-relay CN4-FSCB J11 for proper connection and correct as necessary.
2. Check the connector of the stapler unit for proper drive coupling and correct as necessary.
3. Check the connector between PS23-relay CN3-FSCB J11 for proper connection and correct as necessary.
4. Check the connector between PS24-relay CN3-FSCB J11 for proper connection and correct as necessary.
5. PS23 I/O check, sensor check
   • Control signal: FSCB J11<B>-3 (ON)
   • Location of electrical component: FS-536/FS-536SD 4-C
6. PS24 I/O check, sensor check
   • Control signal: FSCB J11<B>-6
   • Location of electrical component: FS-536/FS-536SD 5-C
7. Replace the stapler unit. (Part# A3EP560100)
8. Replace FSCB. (Part# A87GPP0V00)

 When FS-537 or FS-537SD is installed

1. Check the connector between the stapler unit-FSCB J17 for proper connection and correct as necessary.
2. Check the connector of the stapler unit for proper drive coupling and correct as necessary.
3. Check the connector between PS18-FSCB J16 for proper connection and correct as necessary.
4. Check the connector between PS19-FSCB J16 for proper connection and correct as necessary.
5. Check the connector between PS20-FSCB J16 for proper connection and correct as necessary.
6. PS18 I/O check, sensor check
   • Control signal: FSCB J16-9
   • Location of electrical component: FS-537/FS-537SD 15-D
7. PS19 I/O check, sensor check
   • Control signal: FSCB J16-6
   • Location of electrical component: FS-537/FS-537SD 15-D
8. PS20 I/O check, sensor check
   • Control signal: FSCB J16-3
   • Location of electrical component: FS-537/FS-537SD 15-D
9. Replace the stapler unit. (Part# A3ER929300)
10. Replace FSCB. (Part# A87HPP9M01)

L.3.8.10 (Link to the Field Service Manual)