Premium Compatibles CE390A-RPC HP 90A Black LaserJet Toner Cartridge 10K, Average Page Yield at 5% Coverage This cartridge is compatible with the following machines: HP LaserJet Enterprise 600 M601dn, 600 M601n, 600 M602dn, 600 M602n, 600 M602x, 600 M603dn, 600 M603n, 600 M603xh, M4555 MFP, M4555f, M4555fskm, M4555h, HP LaserJet M4555, M4555fskm, M4555h This Genuine PCI Brand Product is backed by our Factory Direct Premium Promise Warranty and is guaranteed to be free from defects in materials and workmanship for One Year. Premium Compatibles wants you to know that use of our PCI branded consumables will not void the manufacturer warranty of your printer, copier, fax or other hardwareitem. Premium Compatibles Inc. is a USA recycler of used and unwanted laser toner cartridges. Average yield is listed based on industry standard 5% page coverage.