Lexmark 4039-1XX - Manual (Page 54)

40 Service Manual
4039-1XX
Maintenance Kit Count
This non-displayed counter must be reset after the maintenance kit
is replaced to prevent the [80 Scheduled Maintenance] message
from displaying when the machine is turned on.
1. Enter Diagnostics mode.
2. Select [Maintenance Count].
3. Select [RESET] to set the count back to “0”.
4. Press Return to return to the Diagnostics mode main menu.
Memory Test
1. Enter Diagnostics mode.
2. Select [Memory Test].
3. Select either [DRAM] or [ROM].
4. Select [Single] or [Continuous].
5. The display indicates [PASSED], or [FAILED].
6. Select [CANCEL] to stop continuous memory test.
7. Press Return to return to Diagnostics mode.
Operator Panel Tests
The following tests check for proper functioning of the operator panel
buttons and display (LCD).
Button Test
To test the operator panel buttons:
1. Enter Diagnostics mode.
2. Select [Button Test].
3. Press each button. [Closed] is displayed until the button is
released. Then [Open] is displayed.
4. Press Return to return to the Diagnostics mode main menu.