66-54 (bizhub C750i)
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Contents
| JAM type | DF controller jam | |
| JAM code | 66-54 | |
| JAM detection timing | 66-54: The lift up DF lift-up lower limit sensor (PS3) is not turned ON after a lapse of a given time after the last sheet of original is fed out. | |
| Misfeed processing location | Left cover | |
| Relevant parts | -Document feed motor (M1) -Document registration motor (M2) -Document reading motor (M3) -Document exit motor (M4) -After separate sensor (PS4) -Document registration sensor (PS5) -Document reading sensor (PS6) -Document 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 CN5A-8 (ON) | DF 8-J |
| 3 | PS5 I/O check, sensor check | DFCB CN5B-8 (ON) | DF 9-J |
| 4 | PS6 I/O check, sensor check | DFCB CN11-2 (ON) | DF 2-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 | DFCB CN3-1 to 4 | DF 12-C |
| 7 | M2 load check Check code: 60 Multi code: 17, 18, 19 | DFCB CN3-5 to 10 | DF 12-C |
| 8 | M3 load check Check code: 60 Multi code: 33, 34, 35 | DFCB CN2-1 to 6 | DF 13-C |
| 9 | M4 load check Check code: 60 Multi code: 49, 50, 51, 52 | DFCB CN15-1 to 4 | DF 11-C |
| 10 | Replace DFCB. (Part# AAMPH00105) | – | – |