For quality colour prints and outstanding reliability from your OKI C5800 or C5900 colour laser printer, choose a genuine OKI Cyan Laser Toner Cartridge (43324423). Your OKI laser printer will display a TONER EMPTY message when the current cartridge is exhausted. Make sure you have a replacement cartridge handy so you can resume printing as quickly as possible. This standard yield toner cartridge is packed with enough cyan toner to print 5,000 pages.