Printronix P9012, Maintenance Manual

Page: 82 / 256

4–16 Troubleshooting
Running the Self–Tests
P9012 printers include various self–test functions. Use the self–test as needed
to determine if the printer is functioning normally.
To run the self–tests:
1. Place the printer off line and raise the printer cover.
2. Press MENU DOWN; repeatedly press NEXT or PREV until
“DIAGNOSTICS” is displayed.
3. Press MENU DOWN, then repeatedly press NEXT or PREV until either
“PRINTER TEST FULL WIDTH” or “PRINTER TEST 8 INCH
WIDTH” message is displayed.
4. To select one of the 8 INCH WIDTH or FULL WIDTH paper tests, press
MENU DOWN; then repeatedly press NEXT or PREV until the
appropriate test is displayed. Tests include shift recycle, all E’s, and
others.
5. Press RUN/STOP to begin the selected self–test; press RUN/STOP again
to stop it.
NOTE: Any data remaining in the buffer will be printed before the self–test
begins.
Examine the print quality. The characters should be horizontally and
vertically aligned and correctly formed. If print quality problems exist,
contact the customer service representative.
6. Press CLEAR to place the printer off line. The display will read
“OFFLINE READY.”
7. Close the printer cover and place the printer on line.