Details: What can you get from the package:Black 55X | CE255X 2-Pack Toner Cartridge. Compatible model of printer: LaserJet P3015 Printer LaserJet P3015d Printer LaserJet P3015n Printer LaserJet P3015dn Printer LaserJet P3015x Printer LaserJet Pro MFP M521dn Printer LaserJet Pro MFP M521dw LaserJet Enterprise 500 MFP M525dn LaserJet Enterprise 500 MFP M525f LaserJet Enterprise flow MFP M525c Performance of the cartridge: Our cartridges are tested to ensure consistent,quality prints that match the image text seen on one's printer both at the component level and with print tests. quality: the use of high toner,particle uniformity, good luster,can save the consumption of toner,environmental protection without peculiar smell. Strong compatibility: With the original toner 100% compatibility,to ensure that the toner point is always smooth,uniform,clear. After-Sale Service: If you have any problem,please feel free to email to us,We will provide you with a 100% satisfactory solution.