Lexmark MB2236 Service Manual page 116

Action
Step 13
a
Reseat the duplex unit.
b
Check the duplex unit gears for damage.
c
Check the rollers and belts for wear and contamination.
Is the duplex unit properly installed and free of damage?
Step 14
Replace the duplex unit.
Does the problem remain?
Step 15
Check the cables for proper connection and damage.
Are the cables properly connected and free of damage?
Step 16
Replace the damaged cable.
Does the problem remain?
Step 17
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests
b
Select Motor (transport drive).
Did the motor run?
Step 18
a
Enter the Diagnostics menu, and then navigate to:
Input tray quick print > Tray 1 > Single
b
Enter the Diagnostics menu, and then navigate to:
Input tray quick print > Duplex > Single
Does the problem remain?
Step 19
a
Make sure that the main drive is properly installed and free of
damage.
b
Make sure that the main drive gears are properly installed.
c
Make sure that the drive gears are in proper contact with the
gear they are driving.
Does the problem remain?
Diagnostics and troubleshooting
116
Yes No
Go to step 15. Go to step 14.
Go to step 15. The problem is
solved.
Go to step 17. Go to step 16.
Go to step 17. The problem is
solved.
Go to step 18. Go to step 19.
Go to step 19. The problem is
solved.
Go to step 20. The problem is
solved.
3400-48x