★Product InformationProduct Name : HP 85A CE285A CB435A compatible toner cartridgeproduct Include : 2 x CE285A BlackPage Yield : 1,600 pages black toner cartridge @ 5% coverage ( A4 paper ) ★Characteristicnewest version Chip help recognize toner cartridges and Show accurate Level.OPC Drum: High quality OPC drum with thicker coating provides long-lasting printing experience.Toner: Refined toner is incredibly close to the genuine cartridge to achieve a High precision printing.ISO-9001 and ISO-140001 Certificate Approved factory . made High-Quality toner Cartridge, Print with excellent color and crisp text ,Up to 1 years shelf lifeevery product passes the factory print test,We offer great print quality and reliable performance for fast, professional printing quality ★Please confirm your Printer Model before placing an order. ★Printer CompatibilityHP LaserJet P1100 P1102 P1102WHP Laserjet pro M1132 M1210 M1212nf M1214nfh M1217nfw M1219nfHP LaserJet P1005 P1006 P1004 ★Easy Installment: Step 1: Gently shake the toner cartridge from side to side to distribute the toner evenly before us Step 2: Remove the sealing tape marked as "Pull out " from the end of the toner cartridge Step 3: Remove the orange cover ( imaging drum is very delicate. Fingerprints can cause print-quality problems) You're welcome to contact seller firstly if any problems happen. We will respond to your question within 24 hours.