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Diagnostic Aids 3-25
4085-001
Each time the test finishes, the screen is updated with the result. If
the test passes, the Pass Count is incremented by 1. However, if the
test fails, one of the following failure messages is displayed for
approximately 3 seconds and the Fail Count is incremented by 1:
• ROM Checksum Error
• ROM Burst Read Error
Once the maximum pass count or fail count is reached, the test is
stopped and the final test results are displayed. Press Return or
Stop to exit the test.
Parallel Wrap Test
The Parallel Wrap Test checks the operation of the parallel port
hardware using a wrap plug. Each parallel signal is tested.
To perform the wrap test:
1. Disconnect the parallel interface cable, and install the parallel
wrap plug (1319128).
2. Select HARDWARE TESTS from the Diagnostics Menu.
3. Select Parallel Wrap to initiate the Parallel Wrap Test.
4. Select the appropriate Parallel Wrap Test (Parallel Wrap,
Parallel 1 Wrap, Parallel 2 Wrap, or Parallel 3 Wrap).
The following screen is displayed and the printer begins testing the
parallel hardware for the first time.
Terminology:
• P:###### represents the number of times the test has passed
(finished successfully). Initially 000000 is displayed for ######.
The maximum pass count is 999,999.
• F:##### represents the number of times the test has failed
(finished with errors). Initially 00000 is displayed for #####. The
maximum fail count is 99,999.
Parallel Wrap
P:###### F:#####