Epson PLQ-30 - Manual (Page 77)

The USB setting is incorrect. Confirm the USB setting is correct. See “Correcting USB Problems”
on page 81 for details.
The printer is hung-up (stopping in abnormal
situations). Turn the printer off and wait for a while. Then, turn the printer on
again, and start printing.
The cable used in the WNI 4915 mode is not the
one shipped with the printer. Ensure that the correct dedicated cable is always used.
The printer does not print when the computer sends data.
Cause What to do
The printer is paused. Press the Offline button to turn off the Power light.
The interface cable is not plugged in securely. Check that both ends of the cable between the printer and the
computer are plugged in securely. If the cable is connected
correctly, run a self-test as described in “Printing a Self Test” on
page 83.
Your interface cable does not meet the printer
and/or computer specifications. Use an interface cable that meets the requirements of both the
printer and computer. See “Electronic” on page 107 and your
computer documentation.
Your software is not properly set up for your
printer. Select your printer from the Windows desktop or in your
application. If necessary, install or reinstall the printer driver
software.
The printer makes noise, but nothing prints or printing stops abruptly.
Cause What to do
The ribbon has too much slack, the ribbon has
come loose, or the ribbon cartridge is not installed
properly. Remove any slack in the ribbon by turning the ribbon-tightening
knob, or reinstall the ribbon cartridge as described in the section
under “Replacing the ribbon cartridge” on page 96.
The printout is pale.
Cause What to do
The ribbon is worn out. Replace the ribbon cartridge as described in “Replacing the ribbon
cartridge” on page 96.
The printout is faint.
Cause What to do
The ribbon is worn out. Replace the ribbon cartridge as described in “Replacing the ribbon
cartridge” on page 96.
Part of the printout is missing, or dots are missing in random positions.
Cause What to do
PLQ-30/PLQ-30M User’s Guide
Troubleshooting 77