Compatible for HP printer: Color Laser Jet CP3525 / CP3525N / CP3525DN / CP3525X / CM3530 / CM3530TS / CM3530 MFP / CM3530fs MFP 4 x CE250A black toner cartridg + 2 x CE251A cyan toner cartridge + 2 x CE253A yellow toner cartridge + 2 x CE253A magenta toner cartridge + instruction manual Up to 5,000 page per black toner cartridge; 7,000 pages per color toner cartridge (based on 5% coverage of Letter size Paper). greencycle toner cartridge uses fine toner powder and intelligent chip that automatically adjusts color to ensure vibrant prints, delivering lifelike colors and outputting clear, eye-catching text and graphics that make your presentations and printouts stand out. Ease of installation: our products have the same compatibility as the original, easy to install, recognized by printers quickly. This can improve work efficiency.