C8101 (bizhub C754e/C654e)

Contents

Trouble type	Before reading pressure/retraction alienation mechanism
Trouble code	C8101
Rank	B
Detection timing	• During a pressure motion being performed, the read roller home sensor (PS8) output does not change from H to L. • During a retraction motion being performed, the read roller home sensor (PS8) output does not change from L to H.
Trouble isolation	–
Relevant electrical parts	• Reading roller pressure/retraction motor (M6) • Read roller home sensor (PS8) • DF control board (DFCB)

 (2)Procedure

Step	Action	Control signal	Location of electrical components
1	Check the connector between M6-DFCB CN4 for proper connection, and correct as necessary.	–	–
2	Check the connector of M6 for proper drive coupling, and correct as necessary.	–	–
3	Check the connector between PS8-DFCB CN4 for proper connection, and correct as necessary.	–	–
4	PS8 I/O check, sensor check	DFCB CN4-18 (ON)	DF-702 10-C
5	M6 operation check	DFCB CN4-20 (ON)	DF-702 10-C
6	Replace M6 (Part# A2X0R70H11)	–	–
7	DFCB ICP9 conduction check	–	–
8	Replace DFCB (Part# A3CKH00102)	–	–

• Link to the wiring diagram (N.2.1 Reverse automatic document feeder DF-702)
• Link to the layout drawings for related parts by each trouble code (S.102. C8101)

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

K.3.12.1 (Link to the Field Service Manual)