Lexmark MB2236 Service Manual page 120

Action
Step 10
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 11
Replace the controller board. See
page 228.
Does the problem remain?
Auto reboot service check
Action
Step 1
a
Turn off the printer.
b
Disconnect the power cord.
c
Wait for 10 seconds, and then turn on the printer.
Does the problem remain?
Step 2
a
Upgrade the firmware.
Note: Contact your next level of support for the correct
firmware level to use.
b
Perform a POR.
c
Perform a print test.
Does the problem remain?
Step 3
Check the cables for proper connection and damage.
Are the cables properly connected and free of damage?
Step 4
Replace only the damaged cable.
Does the problem remain?
"Controller board removal" on
Diagnostics and troubleshooting
120
Yes No
Contact the next Go to step 11.
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.
Go to step 5. Go to step 4.
Go to step 5. The problem is
solved.
3400-48x