HP LaserJet M437 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. |