Flatbed Home Position Service Check - Lexmark MB2236 Service Manual

Action
Step 6
a
Reseat all the scanner cables on the controller board.
b
Enter the Diagnostics menu, and then navigate to:
Scanner diagnostics > Motor tests > Flatbed scanner
Did the motor run?
Step 7
a
Make sure that the flatbed scanner cables are properly
connected and free of damage.
b
Check the flatbed scanner for proper installation and damage.
Is the flatbed scanner properly installed and free of damage?
Step 8
Replace the flatbed scanner. See
scanner removal" on page
Does the problem remain?
Step 9
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 10
Replace the controller board. See
page 228.
Does the problem remain?

Flatbed home position service check

Action
Step 1
Raise the ADF assembly, and then make sure that the scan area is
free of dust and obstructions.
Does the problem remain?
Step 2
a
Reseat all the scanner cables on the controller board.
b
Perform a POR.
Does the problem remain?
"ADF scanner and flatbed
261.
"Controller board removal" on
Diagnostics and troubleshooting
176
Yes No
Go to step 9. Go to step 7.
Go to step 9. Go to step 8.
Go to step 9. The problem is
solved.
Contact the next Go to step 10.
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 3. The problem is
solved.
3400-48x