C8101 (bizhub C754/C654)

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Contents

Trouble type	Before reading pressure/retraction alienation mechanism
Trouble code	C8101
Rank	B
Detection timing	-During a pressure motion being performed, the before read sensor (PS6) output does not change from H to L. -During a retraction motion being performed, the before read sensor (PS6) output does not change from L to H.
Trouble isolation	–
Relevant electrical parts	-Reading roller pressure/retraction motor (M6) -Before read sensor (PS6) -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 PS6-DFCB CN9 for proper connection, and correct as necessary.	–	–
4	PS6 I/O check, sensor check	DFCB CN9-5 (ON)	DF-702 3-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)

K.3.12.1 (Link to the Field Service Manual)