Lexmark C912 Service Manual - Page 165

5055-xxx If the test fails, the Fail Count increments by 1 and one of the following failure messages displays for approximately three seconds: Sync Busy Error Byte Interrupt Request Error Strobe Interrupt Request Error Init Fall 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 False Init Fall Error Autofeed Rising Interrupt Error Clear Autofeed Rise Error False Autofeed Rise Error Autofeed Falling Interrupt Error Clear Autofeed Fall Error. Once the maximum pass count or fail count is reached, the test stops and the final test results display. Press Return or Stop to exit the test. Diagnostic aids 3-15