Patent ID: 6926382
Filing Date: 2005-08-09
Classification: B41J

Abstract:
1. An ink-jet printer comprising: a flat passage unit including a plurality of pressure chambers arranged along a first flat face of the passage unit, a plurality of nozzles each open in a second flat face of the passage unit opposite to the first flat face, the nozzles being connected to the respective pressure chambers, and a common ink chamber extending substantially along an arrangement of the plurality of nozzles, the common ink chamber being connected to each of the plurality of pressure chambers to supply ink to the pressure chambers; an actuator unit for applying ejection pressure to ink in each of the plurality of pressure chambers; and a cap including an annular lip to be in contact with the second flat face of the passage unit when printing is not performed, at least part of the lip opposite to the common ink chamber being zigzag-shaped in a plane parallel to the second flat face.