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Diagnostic Aids 3-11
5016-001
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.
When 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 display for approximately 3 seconds:
Sync Busy Error 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.