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20-01, 20-02, 20-04 (bizhub 650i/550i/450i)
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Contents
| JAM type | Misfeed at vertical transport section | |
| JAM code | 20-01, 20-02, 20-04 | |
| JAM detection timing | 20-01: The registration sensor/1 (PS1) is not turned ON (unblocked) even after the lapse of a given period of time after the leading edge of the paper has turned ON the tray 2 vertical transport sensor (PS19). | |
| 20-02: For paper fed from the tray 2, tray 3, tray 4, or LCT, loop forming has not been complete before a sheet enters the registration roller because the rise timing of load to perform registration is earlier than the rise timing of load to form a loop. | ||
| 20-04: The registration sensor/2 (PS72) is not turned ON even after the lapse of a given period of time after the leading edge of the paper has turned ON the tray 2 vertical transport sensor (PS19). (bizhub 650i/550i only) | ||
| Misfeed processing location | Right door | |
| Relevant parts | -Transport motor (M1) (bizhub 550i/450i) -Tray 2 vertical transport motor (M23) -Registration motor (M24) (bizhub 650i) -Registration clutch (CL4) (bizhub 550i/450i) -Registration sensor/1 (PS1) -Tray 2 vertical transport sensor (PS19) -Registration sensor/2 (PS72) (bizhub 650i/550i) -Base board (BASEB) |
Procedure
| Step | Action | Control signal | Location of electrical component |
|---|---|---|---|
| 1 | Initial check items | – | – |
| 2 | PS1 I/O check, sensor check | BASEB CN15E-9 (ON) | 4-C |
| 3 | PS72 I/O check, sensor check | BASEB CN15E-19 (ON) | 5-C |
| 4 | PS19 I/O check, sensor check | BASEB CN23E-8 (ON) | 15-K |
| 5 | CL4 load checkCheck code: 21Multi code: 2 | BASEB CN15E-2 (ON) | 3-C |
| 6 | M1 load check Check code: 40 Multi code: 1, 2, 3, 4 (bizhub 650i) 1, 3, 4 (bizhub 550i) 1, 2, 4 (bizhub 450i) | BASEB CN19E-1 to 5 | 1-C |
| 7 | M23 load check Check code: 28 Multi code: 36, 37, 38, 39 (bizhub 650i) 36, 38, 39 (bizhub 550i) 36, 37, 39 (bizhub 450i) | BASEB CN31E-5 to 8 | 23-K |
| 8 | M24 load check Check code: 26 Multi code: 1, 2, 3, 4 (bizhub 650i) 1, 3, 4 (bizhub 550i) 1, 2, 4 (bizhub 450i) | BASEB CN31E-9 to 12 | 24-K |
| 9 | Replace BASEB. (Part# AC74H02101) | – | – |