Compatible for HP Color Laser Jet Pro M452dn , M452dw , M452nw ; Color LaserJet Pro MFP M377dw , M477fdn , M477fdw , M477fnw Printers. 2 Pack CF410X Black Toner Cartridge, Instruction Manual. Up to 6,500 pages per CF410X black toner cartridge (based on 5% coverage of Letter size Paper). Print quality: greencycle toner cartridge are made of quality materials: smooth OPC & roller and industrial grade packaging. Make your presentations and printouts stand out with greencycle toner cartridge that produces clear, vivid, bold, and eye-catching text and graphics. Ease of installation: our products have the same compatibility as the original, easy to install, recognized by printers quickly. This can improve work efficiency.