Parallel wrap test, Parallel wrap test -11 – Lexmark 4059-XXX User Manual

Page 144

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3-11

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

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