Canon Color imageCLASS MF8170c Basic Manual page 147

SUPPLY REC. PAPER
Cause No paper is loaded in the cassette or multi-purpose tray.
Remedy Load paper in the cassette or multi-purpose tray. (See "Loading Paper," on p.
2-4.) Make sure the paper stack in the cassette does not exceed the capacity of
the cassette.
If you load paper while making copies, do not load a different paper size.
On the second line in the LCD the message <CASSETTE> or <TRAY> and the
paper size may appear. In this case, load the corresponding paper in the
cassette or multi-purpose tray.
SYSTEM ERROR
Exxx
Cause An error of some kind has occurred in the machine.
Remedy Unplug the machine from the power supply and wait approximately 3 minutes to
5 minutes, then plug it in again. If this does not solve the problem, unplug the
machine and contact your local authorized Canon dealer or the Canon help line.
xxx stands for a number.
SYSTEM ERROR
E078
Cause The drum cartridge is not installed correctly.
Remedy Install the drum cartridge correctly, and then unplug and plug the power cord
again.
SYSTEM ERROR
E197
Cause The power cord in the lower part of the machine is unplugged.
Remedy Plug the power cord in the lower part and then unplug and plug the power cord
in the higher part to the wall outlet.
LCD Messages 9-25
9