For a high quality, long lasting toner cartridge for your OKI C110 series laser printer, install a genuine OKI Black High Yield Toner Cartridge (44250724). When you notice faded print or a Toner Low message on your printer's LCD screen, order a replacement cartridge as soon as possible. Replace the empty cartridge when you see Toner Empty on the display. This high capacity cartridge contains extra toner for a yield of up to 2500 pages.