User`s manual

6–7Routine Service and Diagnostics
Running the Self Tests
To run the self–tests:
1. On the control panel, press the ON LINE switch to place the printer
off–line. “Off–line/Emulation” displays.
2. Raise the printer cover.
3. On the control panel, press the DOWN switch. “Emulation/LG06”
displays.
4. Press the NEXT switch until “Emulation/Self Test” displays.
5. Press UP and DOWN simultaneously to unlock the panel. “Unlocked”
briefly displays. (If “Locked” displays, simply press UP and DOWN
again.)
6. Press ENTER. This selects the self–test emulation and an asterisk (*)
appears after the display message. (“Emulation/Self Test * ” displays.)
7. Decide which of the tests listed on page 6–6you want to run. Press
DOWN, then press NEXT or PREV until that test displays.
8. Press R/S to start the self–test. Press R/S again to stop the test.
9. Examine the print quality. Characters should be horizontally and
vertically aligned and solidly formed. If print quality problems exist,
contact your authorized service representative.
10. Press UP for “Emulation/Self–test *”. Press NEXT until the desired
emulation appears. (For example: “Emulation/LG06”)
11. Press ENTER to select the emulation. An asterisk (*) appears after the
emulation. (For example: “Emulation/LG06 * ”)
12. Press UP and DOWN simultaneously to lock the panel. “Locked”
briefly displays.
13. Press CLEAR. “Off–line/Emulation” displays.
14. Close the printer cover.
15. Press the ON LINE switch to place the printer on–line.