Patent ID: 7926924

Claim:
An inkjet printer comprising: a carriage configured to reciprocate in a horizontal direction; a printhead disposed on the carriage and configured to eject ink from a plurality of nozzle arrays thereof onto a sheet while reciprocating together with the carriage; a plurality of main tanks, each holding ink and having a height dimension that is relatively small compared with its other dimensions; a plurality of sub-tanks disposed on the carriage and configured to reciprocate together with the carriage and to supply ink to the printhead a plurality of joint units configured to selectively fluidly communicate the main tanks with the sub-tanks respectively; and a mounting member into which the main tanks are detachably mounted, the main tanks being stacked on each other in a vertical direction when the main tanks are mounted in the mounting member; wherein the main tanks are stacked on each other such that their height dimensions are arranged to substantially coincide with the vertical direction.