Lexmark M3150, Руководство по обслуживанию

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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.
USB HS Test Mode
1
From the Diagnostics menu, navigate to:
Hardware Tests > USB HS Test Mode
2
Choose the desired port, and then choose the desired test.
Ports Tests
Port 0
Port 1
Port 2
Port 3
Test J
Test K
Test SEO NAK
Test Packet
Test Force Enable
Single Step Get Device
Single Step Set
Feature
3
To exit the test, POR the printer.
4
If the test fails, replace the failing USB cable.
Duplex Tests
Quick Test
The Duplex quick test determines if the top margin at the back of a duplexed page is set correctly. This test
prints a duplexed version of the Quick test page that can be used to adjust the duplex top margin. Use either
Letter or A4 paper.
4514-6xx
Service menus
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