Flash Test; Lcd Test; Memory Tests - Lexmark Optra E 4026-0 Series Reference Handbook

Flash Test

This test causes the file system to write and read data on the flash to
test the flash device. This test destroys all data on the flash. The flash is
formatted at the end of the test.
To test the flash:
1. Enter Diagnostics mode.
2. Select [DEVICE TESTS].
3. Select [Flash Test].
The operator panel displays [Passed] or [Failed].
4. Press Return to return to the Diagnostics mode main menu.

LCD Test

To test the operator panel display:
1. Enter Diagnostics mode.
2. Select [HARDWARE TESTS].
3. Select [LCD Test].
4. Select [Single] or [Continuous].
5. The display goes through a continuous sequence of turning pels
on and off.
6. Press Return to stop continuous LCD test.
7. Press Return to return to the Diagnostics mode main menu.

Memory Tests

To run the memory test:
1. Enter Diagnostics mode.
2. Select [HARDWARE TESTS].
3. Select [Memory Test].
4. Select either [DRAM], [ROM] or [NVRAM].
5. Select [Single] or [Continuous].
6. The display indicates [PASSED], or [FAILED].
7. Select [CANCEL] to stop continuous memory test.
8. Press Return to return to the Diagnostics mode main menu.
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