Patent ID: 7810899

Claim:
An inkjet printer, comprising: a printing head having a nozzle surface on which a plurality of nozzles are located that spray a plurality of kinds of ink; and a cap that covers said nozzle surface of said printing head; wherein said cap comprises: a ring-shaped seal lip that is constructed so that a tip end thereof comes in contact with said nozzle surface to perform capping; and a partitioning lip that partitions the area inside said seal lip into areas for nozzle groups that correspond to the kinds of ink; wherein the tip end of said seal lip or a tip end of said partitioning lip is shaped so that it is compressed more easily than that of the other; wherein said partitioning lip is formed in a ring shape inside said seal lip, and a gap is formed between said partitioning lip and said seal lip; wherein the gap is formed about the entire periphery of the partition lip; wherein the plurality of nozzles comprises: first nozzles which are surrounded only by the seal lip; and second nozzles which are surrounded by both the seal lip and the partition lip; wherein a first chamber is formed in the cap by an inner periphery of the seal lip and an outer periphery of the partition lip, and a second chamber is formed in the cap by an inner periphery of the partition lip; and wherein the first chamber is independent from the second chamber, such that the first chamber does not communicate with the second chamber.