Lexmark Forms Printer 2491 User's Guide - Page 120

Testing the printer, Running the printer test, Hex Trace mode, LineFeed, Tractor - international drivers

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Testing the printer Each time you turn the power switch On, the printer performs an internal check, or Power-On Self Test. Running the Printer Test produces a test printout that gives a visual indication of any problem the printer may be experiencing. You can run the Printer Test with or without the printer being connected to your computer. Running the printer test 1 Make sure paper and the ribbon cartridge are installed. 2 Turn the printer Off. 3 Press and hold LineFeed while you turn the printer On. 4 Release LineFeed when printing starts. Printing continues until you stop the printer. Hex Trace mode Hex trace mode prints the control codes that are sent to the printer. Use trace mode to help diagnose software/driver problems. To enter trace mode: 1 Make sure paper and the ribbon cartridge are installed 2 Turn the printer Off. 3 Press and hold Tractor while you turn the printer On. 4 Release Tractor when the lights go out. 5 Turn the printer Off and back On to exit this mode. 116 Troubleshooting

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116
Troubleshooting
Testing the printer
Each time you turn the power switch
On
, the printer
performs an internal check, or Power-On Self Test.
Running the Printer Test produces a test printout that
gives a visual indication of any problem the printer may
be experiencing.
You can run the Printer Test with or without the printer
being connected to your computer.
Running the printer test
1
Make sure paper and the ribbon cartridge are
installed.
2
Turn the printer
Off
.
3
Press and hold
LineFeed
while you turn the
printer
On
.
4
Release
LineFeed
when printing starts.
Printing continues until you stop the printer.
Hex Trace mode
Hex trace mode prints the control codes that are sent to
the printer. Use trace mode to help diagnose
software/driver problems.
To enter trace mode:
1
Make sure paper and the ribbon cartridge are
installed
2
Turn the printer
Off
.
3
Press and hold
Tractor
while you turn the
printer
On
.
4
Release
Tractor
when the lights go out.
5
Turn the printer
Off
and back
On
to exit this
mode.