Lexmark Optra S Service Manual - Page 144

4059-XXX Each time the test finishes, the screen updates with the result. If the test passes, the Pass Count increases by 1, however if the test fails, one of the following messages displays for approximately 3 seconds: ROM Checksum Error ROM Burst Read Error Once the maximum pass count or fail count is reached, the test stops with the power indicator on solid. The final results display on the screen. Parallel Wrap Test This test is used with a wrap plug to check operation of the parallel port hardware. Each parallel signal is tested. To run the Parallel Wrap Test: 1. Disconnect the parallel interface cable and install the wrap plug (P/N 1319128). 2. Select the Parallel Wrap Test from the menu. - The power indicator blinks indicating the test is in progress. The test runs continuously until canceled. Each time the test finishes, the screen updates. If the test passes, the Pass Count increases by 1, however if the test fails, one of the following messages displays for approximately 3 seconds: Sync Busy Error Byte Interrupt Request Error Strobe Interrupt Request Error Init Fail Error Init Busy Error Init Rise Error Host Busy Error RAM Data FF Error RAM Data AA Error RAM Data 00 Error RAM Data 55 Error DMA Count Error DMA Address Error 3-11 4059 Service Manual