Choose a genuine OKI Black Toner Cartridge (43865708) to ensure high performance, reliable printing from your C5650 or C5750 laser printer. Your printer will display a Toner Low message when the current toner cartridge is nearly exhausted. Order a replacement and replace the old cartridge when you see the Toner Empty message displayed, so you can resume printing straight away. This standard yield toner cartridge is packed with enough black toner to print 8,000 pages.