Lexmark MB2236 - Page 120

Action Yes No
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?
Contact the next
level of support.
Go to step 11.
Step 11
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.
Auto reboot service check
Action Yes No
Step 1
a Turn o the printer.
b Disconnect the power cord.
c Wait for 10 seconds, and then turn on the printer.
Does the problem remain?
Go to step 2. The problem is
solved.
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?
Go to step 3. The problem is
solved.
Step 3
Check the cables for proper connection and damage.
Are the cables properly connected and free of damage?
Go to step 5. Go to step 4.
Step 4
Replace only the damaged cable.
Does the problem remain?
Go to step 5. The problem is
solved.
3400-48x
Diagnostics and troubleshooting
120