Specifications

3–28 Troubleshooting
• Phasing A hammer timing parameter that permits you to adjust
the vertical alignment of dots in character printing. (See page 4–4.)
• Test Width Permits you to run tests at all available print widths.
Running the Diagnostic Self–Tests
To run a diagnostic self–test:
1. Press ON LINE to place the printer off–line. “Off–line/Emulation”
displays.
2. Press UP and DOWN simultaneously to unlock the ENTER switch.
3. Raise the printer cover.
4. Press DOWN. “Emulation/LG06” displays.
5. Press NEXT until “Emulation/Self–Test” displays.
6. Press ENTER to select self–test. “Emulation/Self–Test * ” displays.
7. To select one of the tests, press DOWN, then press NEXT or PREV until
the appropriate test displays.
8. Press R/S to begin the selected self–test. Press R/S again to stop the test.
9. Examine the print quality.
10. Press CLEAR to place the printer off–line. The display reads
“Off–line/Emulation”.
11. Press UP and DOWN simultaneously to lock the ENTER switch.
12. Close the printer cover.
13. Press ON LINE to place the printer on–line.