Lexmark C734 series, Service Manual

Page: 188 / 436

3-18
Service Manual
5026
Printhead Tests
Mirror Motor Test
1.
Select PRINTHEAD TESTS in DIAGNOSTICS, and press Select ( ).
2.
Select Mirror Motor Test , and press Select ( ).
The panel displays
Mirror Motor Test—Motor Running…
.
After the test completes, the panel displays either
Pass
or
Fail
.
To stop the test, press Back ( ) or Stop ( ).
Servo Laser Test
1.
Select PRINTHEAD TESTS from DIAGNOSTICS, and press Select ( ).
2.
Select Servo Laser Test , and press Select ( ).
The panel displays
Servo Laser Test—Motor Running…
. After the test completes, the panel displays either
Pass
or
Fail
.
To stop the test, press Back ( ) or Stop ( ).
Device Tests
These tests only appear if the flash or disk option is installed.
Quick Disk Test
This test performs a non-destructive read/write on one block per track on the disk. The test reads one block on
each track, saves the data, and proceeds to write and read four test patterns to the bytes in the block. If the
block is good, the saved data is written back to the disk.
To run the Quick Disk Test:
1.
Select DEVICE TESTS in Diagnostics Menu, and press Select ( ).
2.
Select Quick Disk Test , and press Select ( ).
•
The power indicator blinks while the test is in progress.
•
Quick Disk Test/Test Passed
is displayed if the test passes and the power indicator turns on solid.
•
Quick Disk Test/Test Failed
is displayed if the test failed and the power indicator turns on solid.
You cannot stop the test while it is running, but when it is complete, press Stop ( ) to return to DEVICE
TESTS.