Lexmark MB2236 - Page 125

Action Yes No
Step 14
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.
Unsupported imaging unit or toner cartridge service check
Action Yes No
Step 1
Remove, and then make sure that the imaging unit and toner
cartridge are genuine Lexmark supplies.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
a Shake the toner cartridge.
b Clean the toner cartridge smart chip contacts, and then check
the contacts for damage.
c Clean the toner cartridge spring contacts, and then check the
contacts for damage.
d Perform a print test.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Replace the toner cartridge.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
a Shake the imaging unit.
b Clean the imaging unit smart chip contacts, and then check the
contacts for damage.
c Clean the imaging unit spring contacts, and then check the
contacts for damage.
d Perform a print test.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Check the smart chip for proper installation and damage.
Is the smart chip properly installed and free of damage?
Go to step 7. Go to step 6.
3400-48x
Diagnostics and troubleshooting
125