Lexmark 5021-0XX - Manual (Page 218)

3-10 Service Manual
5021-0XX
Once the maximum pass or fail count is reached, the test stops
and the final test results are displayed.
3. Press Return or Stop to exit the test.
ROM memory test
The ROM memory test is used to check the validity of the RIP board
code and fonts.
To run the ROM memory test:
1. Select ROM Test from the menu.
The power indicator blinks indicating the test is in progress. The
test runs continuously.
2. Press Return or Stop to exit the test.
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 time the memory test has failed and
finished with errors. Initially 00000 displays with the maximum
fail count being 99,999.
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
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 DMA Interrupt Error
DMA Memory Error DMA Background Error
Clear Init Rise Error False Init Rise Error
False Init Fall Error Clear Autofeed Rise Error
Autofeed Rising Interrupt Error Autofeed Falling Interrupt Error
False Autofeed Rise Error
Clear Autofeed Fall Error