Lexmark MB2236 - Page 139

Action Yes No
Step 4
a Make sure that the separator roller is free of dust and
contamination.
b Make sure that the lift plate is properly working.
c Make sure that the paper guides are properly working.
d Check the tray insert for proper installation and damage.
Is the tray insert properly installed, and free of contamination and
damage?
Go to step 6. Go to step 5.
Step 5
Replace the tray insert.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
a Clear the duplex paper path of obstructions.
b Load the correct paper in the tray.
c Make sure to set the paper selector on the duplex unit to match
the width of the paper used in the tray.
d Enter the Diagnostics menu, and then navigate to:
Input tray quick print > Tray 1 > Duplex
Does the problem remain?
Go to step 7. The problem is
solved.
Step 7
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?
Go to step 9. Go to step 8.
Step 8
Replace the duplex unit.
Does the problem remain?
Go to step 9. The problem is
solved.
Step 9
a Reseat the sensor cable.
b Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Sensor tests
c Find the sensor (staging sensor S2).
Does the sensor status change while toggling the sensor?
Go to step 12. Go to step 10.
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Diagnostics and troubleshooting
139