Lexmark MX71X - Toner Add Error Service Check

Action Yes No
Step 4
Ensure the toner cartridge smart chip contact with cable is free from
damage.
Is the toner cartridge smart chip contact with cable free from damage?
Go to step 5. Reseat the connection
or replace the cable.
Go to step 5.
Step 5
Reset the machine.
Does the error continue?
Replace the controller
board. See
“Controller
board removal” on
page 422.
Problem resolved.
Toner add error service check
Action Yes No
Step 1
Remove the toner cartridge and properly reinstall it.
Does the error remain?
Go to step 2. The problem is solved.
Step 2
Check the toner cartridge plunger (A) for proper operation.
Is the component functional?
Go to step 3. Replace the
component:
• For MX71x models,
remove the control
panel. See
“Control
panel removal
(MX71x)” on
page 488.
• For MX81x models,
remove the
cartridge door. See
“Cartridge door
removal” on
page 561.
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Diagnostic information
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