Lexmark MS312, Руководство по обслуживанию

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Note: This test cannot be canceled after it has begun. If duplex is activated, then the report is printed in
duplex.
To print the Print quality pages:
From the Diagnostics menu, navigate to Print Tests > Print Quality Pages .
Hardware Tests
If the hardware test fails, replace the failing part.
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 verifies the control panel button function except for the Sleep button.
To run the Button test:
1
From the Diagnostics menu, navigate to:
Hardware Tests > Button Test
2
Press count: 0
appears.
3
Press each control panel button one at a time. Each time a button is pressed, the press count increments
by 1.
4
Press X to 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.
4514-330
Service menus
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