Install a genuine OKI Black Toner Cartridge (43837132) and enjoy great quality printing and unparalleled reliability from your OKI C9655 colour printer. You'll see the message 'Black Toner Low' when the current cartridge is running low. Make sure you order a replacement and install it as quickly as possible to ensure continued printing. This standard yield toner cartridge is packed with enough black toner to print 22,500 pages.