Amazon.com: for Canon CRG041 Toner Cartridge,with Chip,Compatible for ImageCLASS LBP312x LBP312dn for I-SENSYS LBP312x Printer 3 Black Toner : Office Products
Amazon.com: ZLOR CRG041 Toner Replace for Canon LBP312x LBP312dn LBP312x Printers, No Damage to The Machine, Long Printing Life, 5% Coverage on A4 : Office Products
2PK CRG041 Black Toner Cartridge For Canon 041 imageCLASS LBP312X LBP312dn | eBay