How to fix Load Sheet Paper in Paper Tray

no matter what the customer does, he cannot get away from the above error. getting into the self testing 2 won't work and it will only display "printer version"

unplug USB cable from the printer and then restart the computer

there may be a job stuck in the computer that it is still trying to send to the printer.

press and hold the pause button to reset, and it should go back to READY state


Auto cleaning in the Printer Setup is ON

make sure to turn it OFF