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
179
Summary of Contents for M3150
Page 12: ...Part name index 393 4514 6xx Table of contents 12 ...
Page 20: ...4514 6xx 20 ...
Page 38: ...4514 6xx 38 ...
Page 172: ...4514 6xx 172 ...
Page 246: ...3 Remove two screws A and then remove the cooling fan mount A 4514 6xx Parts removal 246 ...
Page 256: ...5 Remove the four screws B and then remove the right front mount B 4514 6xx Parts removal 256 ...
Page 260: ...b Set the spring over the plunger 4514 6xx Parts removal 260 ...
Page 277: ...3 Squeeze the latches B to release the left and right links B 4514 6xx Parts removal 277 ...
Page 300: ...3 Place the printer on its rear side 4 Release the sensor flag A 4514 6xx Parts removal 300 ...
Page 301: ...5 Remove the screw B 6 Remove the sensor flag bracket C 4514 6xx Parts removal 301 ...
Page 323: ...3 Swing the right cover backward to remove 4 Remove the screw D 4514 6xx Parts removal 323 ...
Page 333: ...4514 6xx 333 ...
Page 335: ...Assembly 1 Covers 4514 6xx Parts catalog 335 ...
Page 338: ...4514 6xx Parts catalog 338 ...
Page 339: ...Assembly 2 Electronics 1 1 2 3 4 5 7 9 10 11 6 8 12 4514 6xx Parts catalog 339 ...
Page 342: ...4514 6xx Parts catalog 342 ...
Page 343: ...Assembly 3 Electronics 2 4 3 2 1 5 6 8 9 7 4514 6xx Parts catalog 343 ...
Page 345: ...4514 6xx Parts catalog 345 ...
Page 346: ...Assembly 4 Frame 10 11 12 13 14 9 1 5 6 7 8 4 4 2 3 4514 6xx Parts catalog 346 ...
Page 349: ...Assembly 5 Option trays 3 4 5 6 1 2 4514 6xx Parts catalog 349 ...
Page 354: ...4514 6xx Parts catalog 354 ...
Page 356: ...4514 6xx Parts catalog 356 ...
Page 364: ...4514 6xx 364 ...
Page 376: ...4514 6xx 376 ...
Page 386: ...4514 6xx Index 386 ...
Page 392: ...4514 6xx Part number index 392 ...
Page 398: ...4514 6xx Part name index 398 ...