Patent ID: 8596769

Claim:
An inkjet printer comprising: a print engine having a cradle for receiving a removable printhead cartridge; an ink inlet manifold for supplying ink to the printhead cartridge; an ink outlet manifold for receiving ink from the printhead cartridge; and the printhead cartridge comprising: a cartridge body configured for user insertion and removal from the ink jet printer; a pagewidth printhead housed in the cartridge body, the pagewidth printhead defining an array of nozzles for ejecting ink onto a media substrate; a first fluid coupling having a plurality of inlet spouts in fluid communication with the pagewidth printhead, the inlet spouts being positioned for sealed engagement with corresponding apertures in a respective complementary socket of the ink inlet manifold; and a second fluid coupling having a plurality of outlet spouts in fluid communication with the pagewidth printhead, the outlet spouts being positioned for sealed engagement with corresponding apertures in a respective complementary socket of the ink outlet manifold; wherein, during use, the first and second fluid couplings establish fluid communication with the ink inlet manifold and ink outlet manifold respectively, upon insertion of the cartridge body in the cradle, and wherein each of the inlet and outlet spouts has an end formation configured to engage a shut off valve in the respective complementary socket of the printer, the end formation being configured to open the shut off valve upon installation of the printhead cartridge in the cradle.