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Routine Service and Diagnostics
9–10
Self–Tests
There are twenty printer self–tests you can use to determine configuration,
evaluate print quality, and check paper motion. Self–tests are divided into six
general types: Configuration, Automatic Sequence, Repeating, Print, Paper
Motion and Hex Dump. A detailed explanation of the six types of self–tests
and the procedures to initiate a test are contained in the following
paragraphs. All tests are listed in Table 9–2. Always use full size computer
paper in the printer when running any of the self–tests.
Self–Test Procedure
1. Lift the printer cover. Make sure the RDY indicator is flashing.
NOTE: Always use full size computer paper when running the self–tests or
else you may harm the platen.
2. Press and release the 2nd FUNC switch.
3. Press and release the ADDR switch; the switch indicator will stay on
steadily. The digital panel will display two digits: the last code used or
“00.0”.
4. Select a self–test from Table 9–2.
5. Press and release the ADDR switch until the digital panel displays the
first two digits of the test selected. (If pass the number, press and hold
the ADDR switch. The digits will advance to 99, then begin at 00 or
refer to the configuration chapter for an alternative method that reverses
the count direction.)
6. Press and release the DATA switch (advances .1 each time) until the
desired third digit (decimal) is displayed.
7. Press and release 2nd FUNC switch to start printing.
8. Press and release RDY switch to stop printing.
NOTE: If the RDY indicator flashes at the end of the test, the test was
successfully completed.