Konica-Minolta bizhub 5000i
Troubleshooting. Control Panel Problems
Nothing is displayed on the LCD
User Check
Turn the power switch OFF and then ON again.
| Step | Cause | Remedy |
|---|---|---|
| 1 | Rubber key attachment failure (Non touch panel models only) | Reattach the rubber key. |
| 2 | Connection failure of the panel PCB flat cable (Non touch panel models only) | Reconnect the panel PCB flat cable. |
| 3 | Connection failure of the low-voltage power supply harness | Reconnect the low-voltage power supply harness. |
| 4 | AC cord failure | Replace the AC cord. |
| 5 | LCD relay PCB failure | Replace the LCD relay PCB ASSY. |
| 6 | Panel PCB failure (Non touch panel models only) | Replace the panel PCB ASSY. |
| 7 | LCD failure (Non touch panel models only) | Replace the LCD. |
| 8 | Panel PCB failure (Touch panel models only | Replace the LCD panel ASSY. |
| 9 | Low-voltage power supply PCB failure | Replace the low-voltage power supply PCB ASSY. |
| 10 | Main PCB failure | Replace the main PCB ASSY. |
Nothing is displayed on the LED
User Check
- Turn the power switch OFF and then ON again.
| Step | Cause | Remedy |
|---|---|---|
| 1 | Connection failure of the key PCB flat cable | Reconnect the key PCB flat cable. |
| 2 | Panel PCB failure (Non touch panel models only) | Replace the panel PCB ASSY. |
| 3 | Key PCB failure (Touch panel models only) | Replace the LCD panel ASSY. |
| 4 | Main PCB failure | Replace the main PCB ASSY. |
Control panel is inoperable
User Check
- Turn the power switch OFF and then ON again.
| Step | Cause | Remedy |
|---|---|---|
| 1 | Rubber key attachment failure (Non touch panel models only) | Reattach the rubber key. |
| 2 | Connection failure of the panel PCB flat cable (Non touch panel models only) | Reconnect the panel PCB flat cable. |
| 3 | Connection failure of the lowvoltage power supply harness | Reconnect the low-voltage power supply harness. |
| 4 | Panel PCB failure (Non touch panel models only) | Replace the panel PCB ASSY. |
| 5 | Touch panel failure (Touch panel models only) | Replace the LCD panel ASSY. |
| 6 | Key PCB failure | Replace the panel cover case upper. |
| 7 | Low-voltage power supply PCB failure | Replace the low-voltage power supply PCB ASSY. |
| 8 | Main PCB failure | Replace the main PCB ASSY. |