Patent ID: 7645034

Claim:
An inkjet printer comprising: a printhead integrated circuit (IC) with an array of nozzles for ejecting ink on to print media; an ink supply reservoir for storing ink; an ink supply line defining a flow path from the ink supply reservoir to the printhead IC; and, a pulse damper positioned along the flow path the pulse damper for decreasing an amplitude of pressure pulses in the ink, wherein the pulse damper is part of a peristaltic pump mechanism, the peristaltic pump mechanism having a length of an elastically deformable ink conduit and further having a pinch device for pinching shut the elastically deformable ink conduit and moving to a downstream extent of the elastically deformable ink conduit, whereby the elastically deformable ink conduit effects the pulse damper, and the pinch device at the downstream extent of the elastic ink conduit effects a valve for selectively closing the ink flow to the ink distribution element.