Rear Usb Port Disabled [56]; Reinstall Missing Or Unresponsive Cartridge [31.Xy]; Reinstall Missing Or Unresponsive Imaging Unit [31.Xy]; Replace Cartridge, 0 Estimated Pages Remain [88.Xy] - Lexmark MS312 Service Manual

Rear USB port disabled [56]

Try one or more of the following:
•
From the printer control panel, press
Note: The printer discards any data received through the USB port.
•
From the printer control panel, set USB Buffer to Auto.

Reinstall missing or unresponsive cartridge [31.xy]

Try one or more of the following:
•
Check if the toner cartridge is missing. If missing, install the toner cartridge.
For information on installing the cartridge, see the "Replacing supplies" section of the User's Guide.
•
If the toner cartridge is installed, then remove the unresponsive toner cartridge, and then reinstall it.
Note: If the message appears after reinstalling the supply, then the cartridge is defective. Replace
the toner cartridge.

Reinstall missing or unresponsive imaging unit [31.xy]

Try one or more of the following:
•
Check if the imaging unit is missing. If missing, install the imaging unit.
For information on installing the imaging unit, see the "Replacing supplies" section of the User's Guide.
•
If the imaging unit is installed, then remove the unresponsive imaging unit, and then reinstall it.
Note: If the message appears after reinstalling the supply, then the imaging unit is defective.
Replace the imaging unit.

Replace cartridge, 0 estimated pages remain [88.xy]

Replace the toner cartridge to clear the message and continue printing. For more information, see the
instruction sheet that came with the supply or see the "Replacing supplies" section of the User's Guide.
Note: If you do not have a replacement cartridge, then see the "Ordering supplies" section of the User's
Guide or visit www.lexmark.com.

Replace cartridge, printer region mismatch [42.xy]

Install a toner cartridge that matches the region number of the printer. x indicates the value of the printer
region. y indicates the value of the cartridge region. x and y can have the following values:
Printer and toner cartridge regions
Region number
0
1
2
to clear the message and continue printing.
Region
Global
United States, Canada
European Economic Area (EEA), Switzerland
Diagnostics and troubleshooting
111
4514-330