Toner cartridge is designed for use with HP Color LaserJet Printers CP3505dn, CP3505n, CP3505x, 3600, 3600n, 3600dn, 3800, 3800n, 3800dn 3800dtn; Canon imageClass MF8450C, imageRunner LBP5360, MF9170C and MF9280DN. Proprietary automated equipment and ASTM testing methods ensure superior performance from each and every cartridge produced. State-of-the-art, automated filling equipment ensures precise fill weights for each cartridge. Independent testing has verified that this cartridge functions fully until end-of-life while yielding the same or more pages than OEM cartridges. Remanufactured cartridge yields approximately 6,000 pages.