Error code Description Action
84 Imaging unit low Go to
“Imaging unit low service check” on
page 149.
88 Toner cartridge low Go to
“Toner cartridge low service check” on
page 149.
Unresponsive toner cartridge service check
Action Yes No
Step 1
a Check if the toner cartridge is a supported and genuine
Lexmark supply. If not, then replace it.
b Make sure that the toner cartridge is properly installed.
c Check the toner cartridge, toner cartridge button, and cartridge
plunger for damage. Replace if necessary.
d Make sure that the latest
firmware
is installed.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
Check the cable JARW1 for proper connection to the controller
board.
Is it properly connected?
Go to step 3. Reseat the cable.
Step 3
Check the toner cartridge smart chip contact for damaged pins.
Is it free of damage?
Replace the
controller board. See
“Controller board
removal” on
page 299.
Replace the toner
cartridge smart chip
contact. See
“Toner
cartridge smart chip
contact removal” on
page 303.
Unsupported toner cartridge service check
Action Yes No
Step 1
a Check if the toner cartridge is a supported and genuine
Lexmark supply. If not, then replace it.
b Make sure that the toner cartridge is properly installed.
c Check the toner cartridge, toner cartridge button, and cartridge
plunger for damage. Replace if necessary.
d Make sure that the latest
firmware
is installed.
Does the problem remain?
Go to step 2. The problem is
solved.
7015
Diagnostics and troubleshooting
143
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