Hardware Tests - Lexmark MX910de Service Manual

HARDWARE TESTS

Panel Test
This test verifies the function of the control panel display.
1
Enter the Diagnostics menu, and then navigate to:
Hardware Tests > Panel Test
2
Exit the test.
Button Test
This test verifies the function of each button on the control panel.
1
Enter the Diagnostics menu, and then navigate to:
HARDWARE TESTS > Button Test
A pattern matching the control panel buttons appear on the display.
2
Press the control panel button to highlight the represented button on the display.
3
Release the button to remove the highlight.
4
Exit the test.
DRAM Test
This test checks the validity of the standard and optional dynamic random access memory (DRAM). The test repeatedly
writes patterns of data to the DRAM to verify that each bit in the memory can be set and read correctly.
1
Enter the Diagnostics menu, and then navigate to:
HARDWARE TESTS > DRAM Test
2
Testing and resetting the printer messages appear on the display.
3
After the printer resets, the results of the test appear: DRAM Test [x] P:###### F:######.
•
[x] represents the size of the installed DRAM.
•
P:###### represents the number of times the memory test passed and finished successfully.
The maximum pass count is 999,999.
•
F:##### represents the number of times the memory test failed and finished with errors.
The maximum pass count is 999,999.
4
After the maximum pass or fail count is reached or when all the DRAM has been tested, the test stops and the final
results appear.
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