C1109 (bizhub C754e/C654e)

Contents

Trouble type	Stapler motor’s drive malfunction
Trouble code	C1109
Rank	B
Detection timing	<When FS-534 is installed> • The stapler home position sensor (Rear) (PS23) is not blocked or unblocked even after the set period of time has elapsed after the stapler motor (M14) turned ON. • The stapler position sensor (Center) (PS24) is blocked, when the stapler motor (M14) is running.
	<When FS-535 is installed> The home sensor in the staple unit does not turn ON even after the set period of time has elapsed after the stapler motor (M14) turned ON, and the home sensor in the staple unit does not turn ON even after the set period of time has elapsed after the stapler motor (M14) drives to the reverse direction.
Trouble isolation	Staple
Relevant electrical parts	<When FS-534 is installed> • Stapler home position sensor (Rear) (PS23) • Stapler unitStapler position sensor (Center) (PS24) • FS control board (FSCB)
	<When FS-535 is installed> • Stapler unitStapler motor (M14) • FS control board (FSCB)

 (2)ProcedureWhen FS-534 is installed

Step	Action	Control signal	Location of electrical components
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	FSCB J11<B>-3 (ON)	FS-534 4-C
6	PS24 I/O check, sensor check	FSCB J11<B>-6 (ON)	FS-534 4 to 5-C
7	Replace the stapler unit (Part# A3EP560100)	–	–
8	Replace FSCB (Part# A3EPPPBE01)	–	–

• Link to the wiring diagram (N.2.4 Finisher FS-534)
• Link to the layout drawings for related parts by each trouble code (S.20.1 FS-534)

When FS-535 is installed

Step	Action	Control signal	Location of electrical components
1	Check the connector between M14-FSCB CN15 for proper connection and correct as necessary.	–	–
2	Check the connector of M14 for proper drive coupling, and correct as necessary.	–	–
3	Replace the stapler unit (Part# A07P790100)	–	–
4	M14 operation check	FSCB CN15-1 to 2	FS-535 8 to 9-D
5	Replace M14 (Part# 56AA80112 (M13) – All diagrams point to M13 – See Links below)	–	–
6	FSCB ICP10 conduction check	–	–
7	Replace FSCB (Part# A2Y1H10002)	–	–

• Link to the wiring diagram (N.2.7 Finisher FS-535)
• Link to the layout drawings for related parts by each trouble code (S.20.2 FS-535)

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.

K.3.6.11 (Link to the Field Service Manual)