HP Laserjet CP3505N Fuser Error 50.9

Question:
I have an error Displaying of 50.9 Error.  Any Suggestions to resolving the 50.9 Fuser Error.

Answer:
1.  Make Sure the Fuser Assembly is correctly installed and fully
Seated.

2. Power off the device and remove fuser assembly and reinstall fuser.     Power on the device.
3.  If the errorr persist, then replace the fuser assembly
4.  If still getting the error, the replace the DC Controller.  

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