PrintCopy.info service

HP Color LaserJet Pro MFP M177fw

Troubleshooting. Power subsystem

Power-on checks

Turn on the power. If the control-panel LEDs do not illuminate, perform the power-on checks to find the cause of the problem.

  1. Verify that the product is plugged into an active electrical outlet that delivers the correct voltage.
  2. Verify that the power button is in the on position.
  3. Make sure that the product makes the expected start up sounds.

NOTE:
The over-current/over-voltage protection circuit in the low-voltage power supply unit might be functioning. Turn the product off, unplug the power cord, and turn the product on. If the product does not function, the fuse melts, or the power supply is malfunctioning, replace the engine controller unit.

 

Error Code
Service Mode, Troubleshooting
Parts Catalog
Compatibility
Downloads Files
Home
New Register Forgot Password?
Send message to us