TonerPlusUSA Compatible Toner Cartridge Replacement for HP CB540A ( 4-Pack ) HIGH QUALITY: Because TonerPlusUSA's extensive research and development, this compatible replacement HP toner cartridge is guaranteed to be easy to install with your laser printer and give your documents outstanding print quality, clarity, and exceptional yields at a LOWER COST. COMPATIBLE PRINTERS: HP Color LaserJet CP1215 CP1515n CP1518ni CM1312nfi MFP CM1319 RELIABLE TONER: Includes 1 Black. 1 Cyan, 1 Yellow, 1 Magenta toner cartridge. Certified ISO 9001 for quality assurance. Environment assured Certified ISO 14001. HIGH YIELD: Black Toner Cartridge 2,200 pages based on 5% coverage. Cyan, Yellow, Magenta Toner Cartridge 1,400 pages based on 5% coverage. 100% MONEY BACK GUARANTEE: If, for whatever reason, you don't absolutely love your print quality, just return it, and we'll replace it or give you 100% of your money back, no questions asked. We're that confident that you'll love your print quality, and will continue to use our products in the future.