3Remove the color print cartridge (the thicker one) from its package and, being careful to touch only the black plastic, gently remove both the green pull tab and blue tape covering the nozzles.
4Push the color print cartridge firmly down into the cradle on the left, and close the cartridge latch.
5Repeat steps 3 and 4 to install the black print cartridge into the cradle on the right.
6Close the print cartridge access cover.
NOTE Both print cartridges must be correctly installed for HP OfficeJet Pro 1150C to work.
