Lexmark Optra C Service Manual - Page 116
Wrap Tests, To run the Wrap Test
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5045-001 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. 3-11