Lexmark X746de - XX-Mirror Motor Service Check; XX, 112.XX, 113.XX, and 114.XX-Printhead Error Service Check

Diagnostic information 2-47
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110.xx—Mirror motor service check
111.xx, 112.xx, 113.xx, and 114.xx—Printhead error service check
Step Questions / actions Yes No
1 View the Event Log:
1. Enter Diagnostics mode (press and hold
buttons 3 and 6, turn on the MFP, and
release the buttons when the progress bar
displays).
2. Touch EVENT LOG from Diagnostics
Menu.
3. Touch Display Log.
Has an 110.xx error occurred three times or
more?
Replace the printhead. See
“Printhead removal,
installation, and
adjustment” on
page 4-140.
Go to step 2.
2
1. Turn the printer off, and then remove the
rear frame cover. See “Rear frame cover
removal” on page 4-37.
2. Check the cable in connector JMIRR1 for
proper connection to the system board,
the printhead cable for pinch points, and
the cable or connector for any other
damage.
Is the cable damaged?
Replace the printhead. See
“Printhead removal,
installation, and
adjustment” on
page 4-140.
Go to step 3.
3
Measure the continuity across all of the fuses
on the system board.
Are any of the fuses blown?
Replace the system board.
See “System board
removal” on page 4-157.
Go to step 4.
4
1. Perform the printhead verification to check
whether the new printhead will solve the
problem. See “Printhead verification”
on page 3-52.
2. Perform the Mirror Motor Test. Bring the
printer up in the Diagnostics menu (turn
off the printer, press and hold 3 and 6,
turn on the printer.) See “Mirror Motor
Test” on page 3-19.
Did the Mirror Motor pass the test?
Replace the printhead. See
“Printhead removal,
installation, and
adjustment” on
page 4-140.
Replace the system board.
See “System board
removal” on page 4-157.
Step Questions / actions Yes No
1 View the Event Log:
1. Enter Diagnostics mode (press and hold
buttons 3 and 6, turn on the MFP, and
release the buttons when the progress bar
displays).
2. Touch EVENT LOG from Diagnostics
Menu.
3. Touch Display Log.
Has an 110.xx error occurred three times or
more?
Replace the printhead. See
“Printhead removal,
installation, and
adjustment” on
page 4-140.
Go to step 2.