Lexmark 43J2200 - Optra S 1620 B/W Laser Printer, Service Manual

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4059 Service Manual
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