You can also use the self test to determine whether the printer or the computer is causing the problem. See “Printing a Self Test” on page 4-17 for instructions. To pinpoint communication problems, experienced users may want to use the printer’s hex dump mode, described in “Printing a Hex Dump” on page 4-18.

To clear a paper jam, see “Clearing Paper Jams” on page 4-15.

Power supply problems

The control panel lights come on briefly, but then go off and stay off.

Cause

What to do

The printer’s voltage rating does not match the voltage of your electrical outlet.

Check the printer and the outlet voltage ratings. If the voltages do not match, unplug the printer immediately and contact your dealer.

wWarning:Do not reconnect the power cord to an electrical outlet that has the wrong voltage for your printer.

The printer does not work and the control panel lights are off even when you turn on the printer.

Cause

What to do

 

 

The power cord is not

Turn off the printer, and make sure

properly plugged into the

the power cord is firmly plugged into

electrical outlet or your

the electrical outlet (and the printer, if

printer.

necessary). Then turn on the printer.

 

 

The electrical outlet does not

Use a different outlet.

work.

 

Troubleshooting 4-3