Lexmark 13P0195 - C 750dn Color Laser Printer, Руководство по обслуживанию

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Diagnostic aids
3-21
5060-00 x
ROM Test
The ROM Test is used to check the validity of the controller board code and fonts.
To run the ROM Test:
1.
Select ROM Test from the menu. P and F represent the same numbers for DRAM.
The power indicator blinks indicating the test is in progress. The test runs continuously.
2.
Press Return or Stop to exit the test.
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 appears for approximately three 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 are displayed.
Parallel Wrap Test
Use this test 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 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 appears for approximately three seconds:
Once the maximum count is reached the test stops. The power indicator goes on solid and the final results
are displayed.
3.
Press Return or Stop to exit the test.
Sync Busy Error DMA Address Error
Byte Interrupt Request Error DMA Interrupt Error
Strobe Interrupt Request Error DMA Memory Error
Init Fail Error DMA Background Error
Init Busy Error Clear Init Rise Error
Init Rise Error False Init Rise Error
Host Busy Error Autofeed Rising Interrupt Error
RAM Data FF Error Clear Autofeed Rise Error
RAM Data AA Error False Autofeed Rise Error
RAM Data 00 Error Autofeed Falling Interrupt Error
RAM Data 55 Error Clear Autofeed Fall Error
DMA Count Error