Lexmark MB2236 Service Manual page 188

Action
Step 5
a
Reseat the ADF cable.
b
Check the ADF cable for proper connection and damage.
c
Check the ADF assembly for proper installation and damage.
d
Check the ADF door sensor for damage.
Is the ADF assembly properly installed and free of damage?
Step 6
Replace the ADF assembly. See
scanner removal" on page
Does the problem remain?
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?
"ADF scanner and flatbed
261.
"Controller board removal" on
Diagnostics and troubleshooting
188
Yes No
Go to step 7. Go to step 6.
Go to step 7. The problem is
solved.
Contact the next Go to step 8.
level of support.
Contact the next The problem is
level of support. solved.
3400-48x