Lexmark MB2236 - Page 106

Action Yes No
Step 7
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 10. Go to step 8.
Step 8
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 10. Go to step 9.
Step 9
Replace the damaged sensor flag.
Does the problem remain?
Go to step 10. The problem is
solved.
Step 10
Check the cables for proper connection and damage.
Are the cables properly connected and free of damage?
Go to step 12. Go to step 11.
Step 11
Replace the damaged cable.
Does the problem remain?
Go to step 12. The problem is
solved.
Step 12
a Reseat all the cables on the controller board.
b Check if the controller board LED lights up.
c Check the controller board for proper installation and damage.
Is the controller board properly installed and free of damage?
Contact the next
level of support.
Go to step 13.
Step 13
Replace the controller board. See
“Controller board removal” on
page 228.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
3400-48x
Diagnostics and troubleshooting
106