Brother MFC8950DW
Troubleshooting. 9. Laser Unit Problems
9.1 Laser unit failure
User Check
- Turn ON the power switch, and open the front cover and the back cover. Leave the machine for a while to remove condensation.
Step | Cause | Remedy |
---|---|---|
1 | Earth plate contact failure | Check the contact of the laser unit earth plate, and retighten the screws. |
2 | Connection failure of the laser unit flat cable | Check the proper connection of the laser unit flat cable, and reconnect it if necessary. |
3 | Laser unit failure | Replace the laser unit. |
4 | Main PCB failure | Replace the main PCB ASSY. |