Konica-Minolta bizhub 502
Troubleshooting. JAM. 2. Misfeed at manual bypass feed section
Relevant parts
Bypass paper feed motor (M27)
Tray 1 vertical transport sensor (PS4)
Bypass paper limit sensor (PS35)
Bypass paper lower sensor (PS36)
Paper feed/transport drive board (PFTDB)
Printer control board (PRCB)
| Step | Action | signal | Location |
|---|---|---|---|
| 1 | Initial check items | ||
| 2 | PS4 I/O check, sensor check | PFTDB CN11-8 (ON) | Q-2 |
| 3 | PS35 I/O check, sensor check | PFTDB CN6<B>-10 (ON) | Q-12 |
| 4 | PS36 I/O check, sensor check | PFTDB CN6<A>-11 (ON) | Q-11 |
| 5 | M27 operation check | PFTDB CN6<B>-1~4 | Q-11 |
| 6 | Change PFTDB | ||
| 7 | Change PRCB |