The HP LaserJet 12A print cartridge delivers the professional quality and legendary reliability you expect from HP LaserJet printing. ou can count on great results every time because HP cartridges and printers are designed together. Consistently sharp text and smooth grayscale transitions are achieved when the components of the system are precisely matched.HP's UltraPrecise dual-polymer toner and helical roller drive work together in a system designed to provide reliable, cost-effective performance over the life of the cartridge. Simple replacement and reliable operation comes from HP's long-lasting, all-in-one cartridge design, saving time and lowering overall printing costs. Critical components in the printer's imaging system are refreshed every time you install a new HP cartridge. Strict quality standards ensure the consistent, high-quality results you expect from the company that's consistently earned PC Magazine's #1 rating for service and reliability.2,000 standard pages *Declared yield value in accordance with ISO/IEC 19752