Business users in medium to large offices who want professional-quality, colour laser output. HP Color LaserJet 4500/4550 Printing Supplies combine the highest levels of reliability and ease-of-use with professional print quality, making them ideal for high-volume laser printing.Compatible Printers: Canon C LBP-400, HP Color LaserJet 4500, HP Color LaserJet 4500 N, HP Color LaserJet 4500 Series, HP Color LaserJet 4500 DN, HP Color LaserJet 4550 HDN, Canon LBP-2040, HP Color LaserJet 4550, Canon C LBP-460 Series, Canon LBP-2050, HP Color LaserJet 4550 DN, Canon C LBP-460, Canon C LBP-400 PS, Canon C LBP-460 PS, HP Color LaserJet 4550 N, Canon C LBP-460 PS PRO, HP Color LaserJet 4550 Series, Canon C LBP-400 Series