Epson PLQ-50 Users Guide - Page 53

Problems and Solutions, Power Supply, Printing

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PLQ-50/PLQ-50CS/PLQ-50M/PLQ-50CSM/PLQ-50CSK User's Guide Problems and Solutions Most problems you may encounter while operating your printer have simple solutions. You can check the operation of your printer using the self test. See "Printing a Self Test" on page 60. If the self test works properly the problem probably lies in the computer, the application software, or the interface cable. If the self test does not work, contact your dealer or a qualified service person for assistance. Power Supply Power is not being supplied The lights come on briefly and then go off. The lights stay off even when the power is turned on again. Cause What to do The voltage ratings of the printer and electrical outlet may not match. Check that the printer's voltage rating matches the voltage of your electrical outlet. If the voltages do not match, unplug the printer and contact your dealer immediately. Do not reconnect the power cord to an electrical outlet. 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 properly plugged into the electrical outlet or your printer. Turn off the printer, and make sure the power cord is firmly plugged into the electrical outlet and the printer, if necessary. Then turn on the printer. The electrical outlet does not work. Use a different outlet. Printing Printing or printout quality problems The printer is on but it doesn't print. Cause The interface cable is broken or twisted. What to do Check that the interface cable is not broken or twisted. If you have another interface cable, replace the cable and check whether the printer works correctly. Troubleshooting 53

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Problems and Solutions
Most problems you may encounter while operating your printer have simple solutions.
You can check the operation of your printer using the self test. See “Printing a Self Test” on page 60. If
the self test works properly the problem probably lies in the computer, the application software, or the
interface cable. If the self test does not work, contact your dealer or a qualified service person for
assistance.
Power Supply
Power is not being supplied
The lights come on briefly and then go off. The lights stay off even when the power is turned on again.
Cause
What to do
The voltage ratings of the printer and electrical
outlet may not match.
Check that the printer’s voltage rating matches the voltage of your
electrical outlet. If the voltages do not match, unplug the printer
and contact your dealer immediately. Do not reconnect the power
cord to an electrical outlet.
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 properly plugged into the
electrical outlet or your printer.
Turn off the printer, and make sure the power cord is firmly
plugged into the electrical outlet and the printer, if necessary.
Then turn on the printer.
The electrical outlet does not work.
Use a different outlet.
Printing
Printing or printout quality problems
The printer is on but it doesn’t print.
Cause
What to do
The interface cable is broken or twisted.
Check that the interface cable is not broken or twisted. If you have
another interface cable, replace the cable and check whether the
printer works correctly.
PLQ-50/PLQ-50CS/PLQ-50M/PLQ-50CSM/PLQ-50CSK
User’s Guide
Troubleshooting
53