20-20 (bizhub 754e/654e)
Contents
| JAM type | Vertical transport section |
| JAM code | 20-20 |
| Detection timing | The tray 1 vertical transport sensor (PS4) is not turned ON even after the lapse of a given period of time after the paper has turned ON the tray2 vertical transport sensor (PS12). |
| Misfeed processing location | • Manual bypass tray door • Lower right door |
| Relevant parts | • Tray 1 vertical transport motor (M5) • Tray 2 vertical transport motor (M7) • LCC vertical transport motor (M26) • Tray 1 vertical transport sensor (PS4) • Tray 2 vertical transport sensor (PS12) • Registration sensor (PS38) • OHP sensor (PS40) • Paper feed/transport drive board (PFTDB) • Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical component |
| 1 | Initial check items | – | – |
| 2 | PS4 I/O check, sensor check | PFTDB CN15-8 (ON) | 1-P |
| 3 | PS12 I/O check, sensor check | PFTDB CN14-2 (ON) | 3-P |
| 4 | PS38 I/O check, sensor check | PFTDB CN3-6 (ON) | 4-P |
| 5 | PS40 I/O check, sensor check | PFTDB CN3-3 (REM) | 4-P |
| 6 | M5 operation check | PFTDB CN7-1 to 4 | 11-X |
| 7 | M7 operation check | PFTDB CN7-9 to 12 | 12-X |
| 8 | M26 operation check | PFTDB CN16-1 to 4 | 11-X |
| 9 | PFTDB ICP3, ICP12 or ICP14 conduction check | – | – |
| 10 | Replace PFTDB (Part# A2X0H00202) | – | – |
| 11 | PRCB ICP13 conduction check | – | – |
| 12 | Replace PRCB (Part# A55VH00105) | – | – |
- Link to the wiring diagram (N.1. bizhub 754e/654e)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.1.7 (Link to the Field Service Manual)