For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.
Out of stock
OKI 45396213 Yellow Toner Cartridge
OKI 45396214 Magenta Toner Cartridge
OKI 45396215 Cyan Toner Cartridge
OKI 45396216 Black Toner Cartridge
OKI 4539621 4 Colour Toner Cartridge Multipack
OKI 01333304 Black Toner Cartridge