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Panel light state Beep pattern Problem
Solution
F Pause
– The print head is overheated.
Wait for a few minutes; the printer resumes printing automatically
once the print head cools.
F All the lights on the
control panel
An unknown printer error has occurred.
Turn off the printer and leave it off for several minutes; then turn it on
again. If the error occurs again, contact your dealer.
N = on, O = off, F = flashing
= short series of beeps (three beeps)
= long series of beeps (five beeps)
Note:
The Paper Out and Pause lights flash simultaneously for approximately three seconds when the locked
buttons are pressed.
Problems and Solutions
Most problems you may encounter while operating your printer have simple solutions. Use the
information in this section to find the source of and solution to printer problems that occur.
Determine the type of problem that occurred, and see the appropriate section below:
“Power supply problems” on page 105
“Paper Handling” on page 110
“Printing position problems” on page 108
“Printing or printout quality problems” on page 105
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 115 for instructions on printing a self test. To pinpoint
communication problems, experienced users may want to use the printer’s hex dump mode,
described in “Printing Hex Dump” on page 116.
To clear a paper jam, see “Clearing a Paper Jam” on page 112.
LQ-590II/LQ-590IIN/LQ-2090II/LQ-2090IIN User’s Guide
Troubleshooting 104
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