An ink distribution assembly for distributing different inks from respective ink sources to a plurality of print chips which together define an inkjet printhead. The assembly includes: a longitudinal distribution molding having an ink duct for each of the different inks extending longitudinally therealong; an ink inlet port corresponding to each ink duct, each ink inlet port being in fluid communication with a respective ink source for delivering ink from each ink source to a respective one of the ink ducts; and a laminated ink distribution stack in fluid communication with the distribution molding for distributing ink from the ducts to the print chips.