Canon Knowledge Base - Replace the Toner Cartridge with a new one (LBP6000)
Canon i-SENSYS LBP6000B Review | Trusted Reviews
Amazon.com: CANON CARTRIDGE 125 BLACK TONER - FOR CANON IMAGECLASS LBP6000 - CGR125 - EST YI (3484B001AA) - : Office Products
Canon LBP 6000,HP M1130,Canon LBP 6020, Canon LBP 6030, HP M1132, HP M1138, HP M1139, HP M1212nf, HP M1217nfw, HP M1219nf, HP P1102, HP P1102w, HP P1109w (REX 85A/325 (CRG325/CE285A) Laser Printer