66-54 (bizhub C759/C659)

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Contents

JAM type	DF controller jam
JAM code	66-54
JAM detection timing	The lift up lower sensor (PS3) is not blocked after a lapse of a given time after the last sheet of original is fed out.
Misfeed processing location	-Transportation cover -Opening and closing guide
Relevant parts	-Take-up motor (M1) -Registration motor (M2) -Reading motor (M3) -Paper feed motor (M4) -Reading roller pressure/retraction motor (M6) -After separate sensor (PS4) -Registration sensor (PS5) -Before read sensor (PS6) -Exit sensor (PS7) -DF control board (DFCB)

 Procedure

Step	Action	Control signal	Location of electrical component
1	Initial check items	–	–
2	PS4 I/O check, sensor check	DFCB CN6-5 (ON)	DF 11-C
3	PS5 I/O check, sensor check	DFCB CN6-17 (ON)	DF 9-J
4	PS6 I/O check, sensor check	DFCB CN11-3 (ON)	DF 1-C
5	PS7 I/O check, sensor check	DFCB CN13-3 (ON)	DF 7-C
6	M1 load check -Check code: 60 -Multi code: 1, 2, 3	DFCB CN3-1 to 4	DF 12-C
7	M2 load check -Check code: 60 -Multi code: 17, 18, 19, 20	DFCB CN3-5 to 8	DF 11-C
8	M3 load check -Check code: 60 -Multi code: 33, 34, 35	DFCB CN2-1 to 6	DF 12-C
9	M4 load check -Check code: 60 -Multi code: 49, 50, 51, 52	DFCB CN15-1 to 4	DF 11-C
10	M6 load check -Check code: 60 -Multi code: 81, 82	DFCB CN4-1 to 2	DF 10-C
11	Replace DFCB. (Part# A782H0010A)	–	–

L.1.9.7 (Link to the Field Service Manual)