Lexmark MB2236 - Page 155

Action Yes No
Step 5
a Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustment > Sensor tests
b Find the following sensors:
• Sensor (media present in tray1 S1)
• Sensor (input sensor S3)
• Sensor (fuser exit sensor S4)
Does the sensor status change while toggling the sensor?
Go to step 8. Go to step 6.
Step 6
a Check the sensor flags for proper installation and damage.
b Check the sensor flags for proper alignment with the sensors.
c Check the sensor flag springs for proper installation and
damage.
Are the sensor flags properly installed and free of damage?
Go to step 8. Go to step 7.
Step 7
Replace the damaged sensor flag.
Does the problem remain?
Go to step 8. The problem is
solved.
Step 8
a Reseat the two printhead cables at both ends.
b Check the printhead cables for proper connection.
c Check the printhead for proper installation and damage.
d Perform a print test.
Does the problem remain?
Go to step 9. The problem is
solved.
Step 9
Make sure that the printhead lens is clean and free of
contamination.
Does the problem remain?
Go to step 10. The problem is
solved.
Step 10
Replace the printhead. See
“Printhead removal” on page 251.
Does the problem remain?
Go to step 11. The problem is
solved.
Step 11
Check the cables for proper connection and damage.
Are the cables properly connected and free of damage?
Go to step 13. Go to step 12.
3400-48x
Diagnostics and troubleshooting
155