Lexmark MB2236 Service Manual page 125

Action
Step 14
Replace the controller board. See
page 228.
Does the problem remain?
Unsupported imaging unit or toner cartridge service check
Action
Step 1
Remove, and then make sure that the imaging unit and toner
cartridge are genuine Lexmark supplies.
Does the problem remain?
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?
Step 3
Replace the toner cartridge.
Does the problem remain?
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?
Step 5
Check the smart chip for proper installation and damage.
Is the smart chip properly installed and free of damage?
"Controller board removal" on
Diagnostics and troubleshooting
125
Yes No
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 4. The problem is
solved.
Go to step 5. The problem is
solved.
Go to step 7. Go to step 6.
3400-48x