Lexmark MB2236 - Page 166

Action Yes No
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.
Step 5
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 6.
Step 6
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.
Network software error service check
Action Yes No
Step 1
a Unplug the power cord from the printer.
b Wait for 20 seconds, and then turn on the printer.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
a Check network cable for proper connection and damage.
b Make sure that the network cable contacts are free from dirt or
corrosion.
c Make sure that the network cable is active.
Is the network cable properly connected, and free of corrosion and
damage?
Go to step 4. Go to step 3.
Step 3
Replace the network cable.
Does the problem remain?
Go to step 4. The problem is
solved.
3400-48x
Diagnostics and troubleshooting
166