Office Basics HP Laser Toner Cartridge Black CE278A Generic cartridges are a great alternative to expensive branded printer ink. And as replacement cartridges go, Office Basics make some of the best. If you try one of these out in your HP printer, you will not be disappointed. Filled with high grade toner particles which guarantee rich colour and even coverage, this cartridge delivers fantastic documents every time. This cartridge is compatible with the HP LaserJet P1566 and P1606.