HP LaserJet M443 MFP
Troubleshooting. Other errors
Multi-feeding
Description
Multiple sheet of paper are fed at once.
| Check and cause | Solution |
|---|---|
| MP Pick up clutch or registration clutch does not work properly. | Replace the defective clutch if necessary. |
| Pick up roller or friction pad is worn out or contaminated. | Clean or replace the pickup roller or friction pad. |
No-Power
Description
When system power is turned on, LED and LCD on the control panel do not come on.
| Check and cause | Solution |
|---|---|
| The connection between main board and OPE board is bad. | Reconnect or replace the harness. |
| HVPS/SMPS output is abnormal. | Replace the HVPS/SMPS board. |