Lexmark MB2236 - Page 81

Action Yes No
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?
Go to step 8. Go to step 7.
Step 7
Replace the main drive. See
“Main drive removal” on page 234.
Does the problem remain?
Go to step 8. The problem is
solved.
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?
Go to step 9. The problem is
solved.
Step 9
a Reseat the transfer roller.
b Enter the Diagnostics menu, and then select Advanced Print
Quality Samples.
Does the problem remain?
Go to step 10. The problem is
solved.
Step 10
Replace the transfer roller. See
“Transfer roller removal” on
page 242.
Does the problem remain?
Go to step 11. The problem is
solved.
Step 11
Make sure that the roller is free of dirt and contamination.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
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?
Go to step 14. Go to step 13.
3400-48x
Diagnostics and troubleshooting
81