SPEED Remanufactured Toner Cartridge Replacement for HP CE278A ( Black ) HP CE278A powder contains 100g page yield up to 2100 pages per cartridge @ 5% coverage. Compatible Printers:HP LaserJet P 1566,HP LaserJet P 1601,HP LaserJet P 1602,HP LaserJet P 1603,HP LaserJet P 1604,HP LaserJet P 1605,HP LaserJet P 1606 DN,HP LaserJet P 1606 N,HP Laserjet P 1560,HP Laserjet P 1600,HP Laserjet P 1606,HP LaserJet Pro M 1536 dnf MFP,HP LaserJet Pro P 1566,HP LaserJet Pro P 1601,HP LaserJet Pro P 1602,HP LaserJet Pro P 1603,HP LaserJet Pro P 1604,HP LaserJet Pro P 1605,HP LaserJet Pro P 1606DN Easy to install and use, environment friendly, contains no harmful substances such as lead, mercury, etc. Every cartridge has gone through a strict test on printing before leaving the factory to ensure 100% Pass Rate. Warranty: STMC, CE, TUV, ROHS, ISO9001, ISO14001 International Quality Certified.