Patent ID: 8201932

Claim:
A liquid supplying apparatus for supplying liquid to a liquid ejection head through liquid reservoir chambers located in a liquid ejection apparatus, comprising: a unit case which is separate from and located outside of an outer case of the liquid ejection apparatus wherein the outer case houses the liquid reservoir chambers, the liquid ejection head for ejecting liquid to a target, a carriage on which the liquid ejection head is mounted, a support for supporting the target, and a feeding mechanism for feeding the target, the carriage being located in the outer case to reciprocate with respect to the outer case; a plurality of liquid retainers located in the unit case; and a plurality of liquid supply tubes connected to a plurality of the liquid reservoir chambers located in the liquid ejection apparatus; wherein the plurality of liquid supply tubes are connected to the plurality of liquid retainers in the interior of the unit case; and wherein the outer case and the unit case are arranged on a common support, such that the liquid ejection apparatus and the liquid supplying apparatus are maintained at constant relative positions to properly maintain the fluid level of the liquid in the liquid retainers.