Konica-Minolta bizhub 423
Troubleshooting. JAM. 2. Misfeed at manual bypass feed section
Relevant parts
Transport motor (M1)
Manual paper feed clutch (CL81)
Manual pick-up solenoid (SD81)
Printer control board (PRCB)
Tray 2 vertical transport sensor (PS28)
Action
| Step | Action | Control signal | Location |
|---|---|---|---|
| 1 | Initial check items | ||
| 2 | PS28 I/O check, sensor check | PRCB CN23-16 (ON) | C-17 C-19 |
| 3 | CL81 operation check | PRCB CN9-2 (ON) | C-10 |
| 4 | SD81 operation check | PRCB CN9-4 (ON) | C-10 |
| 5 | M1 operation check | PRCB CN3-4 (REM) PRCB CN3-7 (LOCK) |
C-16 |
| 6 | Change PRCB |