A user states they have rebooted the printer and it is displaying “PC load letter”. Which of the
following is the MOST likely cause?

A.
The printer needs to be rebooted.

B.
The printer is out of paper.

C.
The fuser needs to be replaced.

D.
The toner cartridge is low.

Explanation:
http://www.tomshardware.com/forum/16050-3-load-letter-error