61Maintaining the PrinterReplacing Ink TanksWhen an ink tank runs out of ink, only the ink tank requires replacement.• To ensure the best performance of the ink tanks, be sure to install themwithin one year of the purchase date and use them within six monthsafter they are installed in the BJ cartridge.• After replacing an ink tank, always press the CARTRIDGE button tomove the cartridge holder to its home position.1 Make sure that the printer is turned on and open the cartridge cover.2 Press the CARTRIDGE button to move the cartridge holder to the center.NoteCARTRIDGE ERRORPOWER RESUMECartridge HolderCartridge Cover