Lexmark M410 Service Manual - Page 85

4045-XXX 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 three 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 DMA Interrupt Error DMA Memory Error DMA Background Error Clear Init Rise Error False Init Rise Error Autofeed Rising Interrupt Error Clear Autofeed Rise Error False Autofeed Rise Error Autofeed Falling Interrupt Error Clear Autofeed Fall Error Once the maximum count is reached the test stops. The power indicator goes on solid and the final results display. Press Return/Stop to exit the test. Serial Wrap Test This test is used to check the operation of the Serial Port Hardware using a wrap plug. Each signal is tested. Diagnostic Aids 3-11