Lexmark MB2236 Service Manual page 154

Action
Step 7
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?
Step 8
Replace the controller board. See
page 228.
Does the problem remain?
Printhead error 2 service check
Action
Step 1
a
Make sure that the tray insert is properly inserted.
b
Make sure that the paper is properly loaded in the tray.
c
Make sure that the paper type and size settings match the
paper type and size set on the tray.
d
Make sure that the lift plate is properly working.
Does the problem remain?
Step 2
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?
Step 3
a
Check the sensor for proper installation and damage.
b
Check the alignment with the sensor flag.
c
Check the sensor cable for proper connection and damage.
Is the sensor properly installed and free of damage?
Step 4
Replace the sensor.
Does the problem remain?
"Controller board removal" on
Diagnostics and troubleshooting
154
Yes No
Contact the next Go to step 8.
level of support.
Contact the next The problem is
level of support. solved.
Yes No
Go to step 2. The problem is
solved.
Go to step 5. Go to step 3.
Go to step 5. Go to step 4.
Go to step 5. The problem is
solved.
3400-48x