Unresponsive Toner Cartridge Service Check; Unsupported Toner Cartridge Service Check - Lexmark MX310 Service Manual

Error code Description
84 Imaging unit low
88 Toner cartridge low

Unresponsive toner cartridge service check

Action
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?
Step 2
Check the cable JARW1 for proper connection to the controller
board.
Is it properly connected?
Step 3
Check the toner cartridge smart chip contact for damaged pins.
Is it free of damage?

Unsupported toner cartridge service check

Action
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?
Action
Go to
page
Go to
page
Diagnostics and troubleshooting
143
"Imaging unit low service check" on
149.
"Toner cartridge low service check" on
149.
Yes No
Go to step 2. The problem is
solved.
Go to step 3. Reseat the cable.
Replace the Replace the toner
controller board. See cartridge smart chip
"Controller board contact. See
removal" on cartridge smart chip
page 299. contact removal" on
page
Yes No
Go to step 2. The problem is
solved.
7015
"Toner
303.