Cartridge compatible with Canon IMAGECLASS LBP-6000 Compatible Black Toner Cartridge - Walmart.com
COMPATIBLE CANON IMAGECLASS LBP-6000 BLACK LASER TONER CARTRIDGE - Inksupply.com
Amazon.com: SuperInk 1PK Compatible Toner Cartridge for Canon 3484B001AA / 125 Black for use in ImageClass LBP6000, LBP6030w, MF3010 Printers : Office Products