Lexmark MS312
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:
0
Global
1
United States, Canada
2
European Economic Area (EEA), Switzerland
3
Asia Pacific, Australia, New Zealand
4
Latin America
5
Africa, Middle East, rest of Europe
9
Invalid
Notes: