GREENSKY 1 Pack 128A (1 Black) Compatible Toner for HP CE320A Toner Cartridges for HP Color LaserJet CP1521n/CP1522n/CP1523n/CP1525n/CP1525nw/CP1526nw/CP1527nw/CP1528nw/CM1415fn/CM1411fn Package Contents: 1 pack(1xCE320A Black) Standard Yield: 2,200 Pages Black Toner Cartridge based on 5% coverage of Letter/A4 Suitable for use in HP Color LaserJet CP1521n/CP1522n/CP1523n/CP1525n/CP1525nw/CP1526nw/CP1527nw/CP1528nw/CM1415fn/CM1411fn &lt;br&gt;Canon imageClass MF8050CN MF8080CW/i-Sensys LBP5050 ISO 9001 & 14001 (INTERNATIONAL STANDARD ORGANIZATION Quality Standard) 3-Year 100% Quality Guarantee ensures that you will get quality printouts with our compatible or remanufactured cartridges. Any problems under normal circumstance, demand for a return is acceptable