Patent ID: 8348401

Claim:
An ink jet printing apparatus that detachably mounts a printing head part provided with a printing head for ejecting ink to perform printing, said apparatus comprising: a connection portion which is detachably mounted on the printing head part and is configured to connect an ink supply path for supplying ink from an ink tank to the printing head part; a first operation member for effecting an operation of connecting and separating said connection portion to and from the printing head part; a second operation member for effecting an operation of attaching and removing the printing head part to and from said ink jet printing apparatus; a linkage mechanism configured to move said first operation member in a direction away from a mounting position of the printing head part, in association with a movement that causes the printing head part to be removable from said ink jet printing apparatus, the movement being caused by an operation of said second operation member in a state in which said connection portion has been separated from the printing head part by an operation of said first operation member; and a member for covering said first operation member at a position to which said first operation member is moved by said linkage mechanism.