US Patent 7229163 Printer

A printer, including a printer body, a plurality of ink cartridges that store ink disposed in the printer body, a plurality of ink supply tubes, one end of each of the plurality of ink supply tubes attached to a corresponding one of the plurality of ink cartridges, the plurality of ink supply tubes extending below the plurality of ink cartridges in the printer body, a plurality of print heads disposed in the printer body, another end of each of the plurality of ink supply tubes attached to a corresponding one of the plurality of print heads so that the plurality of ink supply tubes supply ink from the plurality of ink cartridges to the plurality of print heads, the plurality of print heads disposed below the plurality of ink cartridges.