Wrap Tests; Density Adjustment Panel - Lexmark Optra E 4026-0 Series Reference Handbook

To run the Quick Disk Test:
1. Enter Diagnostics mode.
2. Select [DEVICE TESTS].
3. Select [Quick Disk Test].
4. The display will indicate [Test Passed] or [Test Failed].
5. Press Return to return to Diagnostics mode main menu.

Wrap Tests

The Wrap Tests check the circuits used to communicate with the host
computer.
To run the Wrap Test:
1. Turn the printer off.
2. Disconnect the interface cable.
3. Install the wrap plug in one of the interface cable connectors.
• Install P/N 1319128 for the parallel test.
• Install P/N 1329048 (25-pin) for the serial test.
4. Enter Diagnostics mode.
5. Select [HARDWARE TESTS].
6. Select [Wrap Test].
7. Select [Parallel] for the parallel port or [Serial] for the 25-pin serial
port.
8. Select [Single] or [Continuous].
9. Select [CANCEL] to stop continuous.
A [Passed] message indicates the printer connection to the printer
cable connector is good.
A [Failed] message indicates a defective video controller board.
Note: Ignore the number displayed after a failure is displayed.
10. Press Return to return to the Diagnostics mode main menu.
11. Turn the printer off, then remove the wrap plug from the interface
connector.

Density Adjustment Panel

On the rear of the printer, the density adjustment panel is used for
density adjustment, test pattern selection, and service technician
printer adjustment.
Refer to the Service Manual for the Print Quality Defect Samples and
explanations.
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