72-40, 72-41 (bizhub 650i/550i/450i)
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Contents
| JAM type | Misfeed at ZU section (When FS-540+ZU-609 or FS-540SD+ZU-609 is installed) | |
| JAM code | 72-40, 72-41 | |
| JAM detection timing | 72-40: When the first fold is started in Z-fold mode, the FNS middle sensor (PS36) is not turned OFF even after the lapse of a given period of time after the leading edge of the paper has turned ON PS36. | |
| 71-41: When the second fold is started in Z-fold mode, the FNS middle sensor (PS36) is not switched from ON to OFF by the paper after the set period of time has elapsed. | ||
| Misfeed processing location | Front door | |
| Relevant parts | -ZU transport motor (M500) -Folding guide motor (M501) -FNS discharge motor (M17) -FNS middle sensor (PS36) -ZU drive board (ZUDB) -FS control board (FSCB) |
Procedure
| Step | Action | Control signal | Location of electrical component |
|---|---|---|---|
| 1 | Initial check items | – | – |
| 2 | PS36 I/O check, sensor check | FSCB J12<A>-10 (ON) | FS-540/FS-540SD 14 to 15-D |
| 3 | M500 operation check | ZUDB CN6-1 to 6 | ZU-609 1 to 2-B |
| 4 | M501 operation check | ZUDB CN6-9 to 12 | ZU-609 2-B |
| 5 | M17 operation check | FSCB J12<B>-1 to 4 | FS-540/FS-540SD 14-D |
| 6 | ZUDB ICP1 or ICP2 conduction check | – | – |
| 7 | Replace ZUDB. (Part# A63GH00100) | – | – |
| 8 | Replace FSCB. (Part# AAR5PPD401) | – | – |