Action Yes No
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.
31–33 user attendance messages
31–33 user attendance messages
Error code Description Action
31.40 Missing black toner cartridge. See
“Photoconductor and toner cartridge
service check” on page 121.
32.40 Unsupported toner cartridge. See
“Unsupported imaging unit or toner
cartridge service check” on page 125.
32.60 Unsupported imaging unit.
33 Non license return program (NLRP) codes. See
“Photoconductor and toner cartridge
service check” on page 121.
Photoconductor and toner cartridge service check
Action Yes No
Step 1
Make sure that the imaging unit and toner cartridge is a genuine
Lexmark supply.
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.
3400-48x
Diagnostics and troubleshooting
121
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