Lexmark MB2236 Service Manual page 81

Action
Step 6
a
Remove the imaging unit.
b
Check the coupling drive gear for proper installation and
damage.
c
Actuate the lever, and then check if the coupling drive gear
engages.
Is the coupling drive gear properly installed and free of damage?
Step 7
Replace the main drive. See
Does the problem remain?
Step 8
a
Make sure that the transfer roller is properly installed and free
of damage and contamination.
b
Make sure that the HVPS contact spring is properly connected
to the transfer roller.
c
Make sure that the transfer roller spring is properly installed.
d
Enter the Diagnostics menu, and then select Advanced Print
Quality Samples.
Does the problem remain?
Step 9
a
Reseat the transfer roller.
b
Enter the Diagnostics menu, and then select Advanced Print
Quality Samples.
Does the problem remain?
Step 10
Replace the transfer roller. See
page 242.
Does the problem remain?
Step 11
Make sure that the roller is free of dirt and contamination.
Does the problem remain?
Step 12
a
Enter the Diagnostics menu, and then navigate to:
Input tray quick print > Tray 1 > Single
b
Check if the clip in the middle of the solenoid turns when the
paper is transported.
Did the clip turn?
"Main drive removal" on page
"Transfer roller removal" on
Diagnostics and troubleshooting
81
Yes
Go to step 8.
Go to step 8.
234.
Go to step 9.
Go to step 10.
Go to step 11.
Contact the next
level of support.
Go to step 14.
3400-48x
No
Go to step 7.
The problem is
solved.
The problem is
solved.
The problem is
solved.
The problem is
solved.
The problem is
solved.
Go to step 13.