Printer/Cartridge Mismatch Service Check; Flash Full Service Check - Lexmark MS312 Service Manual

Printer/cartridge mismatch service check

Action
Step 1
Check if the toner cartridge is supported. Replace with a supported toner
cartridge if necessary.
Does the problem remain?
Step 2
a
Make sure the toner cartridge smart chip contact cable JARW1 is
properly connected to the controller board.
b
Make sure the toner cartridge smart chip contact is free of debris.
c
Check the toner cartridge smart chip contact for damaged pins.
Is it free of damage?
Step 3
Check if the firmware level matches the serial number.
Do they match?

Flash full service check

Action
Step 1
Format the flash memory. Navigate to Settings > Print
Settings > Utilities, then select Format Flash.
Does the error remain?
Step 2
Remove the installed memory, and then POR the machine.
Does the error remain?
Step 3
Replace the controller board. See
page 180.
Does the error remain?
"Controller board removal" on
Diagnostic information
81
Yes No
Go to step 2. The problem is solved.
Go to step 3. Replace the toner
cartridge smart chip
contact. See
cartridge smart chip
contact removal" on
page
Replace the controller Reflash the firmware.
board. See "Controller
board removal" on
page 180.
Yes No
Go to step 2. The problem is solved.
Go to step 3. Replace the memory
card.
Contact the next level The problem is solved.
of support.
4514
"Toner
181.