TAG 070: Fuser Unit Malfunction
Error Code: | 070, 073 |
Symptoms: No AC power at the fuser
Possible Defects: Fuser unit
Power control #2 board
AC power supply unit
DC power supply unit
Connectors or wiring
PCL board
Note
A lack of continuity can result in fuser unit damage. If there is no continuity, replace the fuser unit when replacing the connectors and/or wiring
1 Turn the printer off and unplug the power cord.
•Verify that J/P44, J/P4, J/P10, J/P11, J/P12, J/P70, J/P40, J/P41, J/P8, and J/P5 (bottom of fuser unit) are connected properly.
•Verify that the fuser unit is installed properly.
•Read the following steps before taking further action.
•
•Watch through the output tray opening to see if the fuser lamp comes on.
Note
If the fuser lamp comes on immediately after power on, turn off the printer and replace the AC power supply.
Is error code 070 or 073 displayed?
No: A loose connector was at fault.Turn to TAG 002: Check & Problem Resolution.
Yes: Continue.
2 Has the fuser unit been replaced recently?
No: Continue.
Yes: Go to #4 in this TAG.
3 Replace the fuser unit.
•
•Watch through the output tray opening to see if the fuser lamp comes on.
•If the fuser lamp comes on immediately after power on, turn off the printer and replace the AC power supply.
Has the problem been resolved?
No: Reinstall the original fuser unit and continue.
Yes: Turn to TAG 002: Check & Problem Resolution.
Troubleshooting Analysis Guide (TAGs) |