Serial Wrap Test - Lexmark 11A4006 - Optra K 1220 B/W Laser Printer Service Manual

Service manual
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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 count is reached the test stops. The busy indica-
tor goes on solid and the final results display.
Press Return or 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.
To run the Serial Wrap Test:
1. Disconnect the serial interconnect cable and install the serial
wrap plug.
2. Select the appropriate Serial Wrap Test from the menu: Serial
Wrap, Serial 1 Wrap. The busy indicator flashes indicating the
test is running.
P:###### represents the number of times the memory test has
passed and finished successfully. Initially 000000 displays with the
maximum pass count being 999,999.
F:##### represents the number of times the memory test has failed
and finished with errors. Initially 00000 displays with the maximum
fail count being 99,999.
3-8

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