Lexmark MB2236 Service Manual page 78

Action
Step 12
a
Reseat the transfer roller.
b
Enter the Diagnostics menu, and then select Advanced Print
Quality Samples.
Does the problem remain?
Step 13
Replace the transfer roller. See
page 242.
Does the problem remain?
Step 14
a
Clean the printhead lens.
b
Reseat the two printhead cables at both ends.
c
Perform a print test.
Does the problem remain?
Step 15
a
Make sure that the printhead cables are properly connected.
b
Check the printhead for proper installation and damage.
Is the printhead properly installed and free of damage?
Step 16
Replace the printhead. See
Does the problem remain?
Step 17
a
Reseat the HVPS cables.
b
Check the cables for damage.
Are the cables free of damage?
Step 18
Replace the damaged cable.
Does the problem remain?
Step 19
a
Check the HVPS characterization.
b
Reseat the HVPS cables.
c
Check the HVPS cables for proper installation and damage.
d
Check the HVPS spring contact for proper connection to the
board.
Is the HVPS properly installed and free of damage?
"Transfer roller removal" on
"Printhead removal" on page
Diagnostics and troubleshooting
78
Yes
Go to step 13.
Go to step 14.
Go to step 15.
Go to step 17.
Go to step 17.
251.
Go to step 18.
Go to step 19.
Go to step 21.
3400-48x
No
The problem is
solved.
The problem is
solved.
The problem is
solved.
Go to step 16.
The problem is
solved.
Go to step 19.
The problem is
solved.
Go to step 20.