Capping a printhead against a transfer roller

Abstract

A print engine for a printer includes a page width printhead. The printhead includes an ink-ejecting device and a seal surrounding the ink-ejecting device. A transfer roller is arranged adjacent the printhead. Ink ejected by the printhead is received on the transfer roller to be transferred to a sheet of paper. A displacement unit displaces the printhead so that its seal is urged into abutment of the surface of the transfer roller when the printhead is inoperative to inhibit evaporation of ink from the ink-ejecting device. The displacement unit is further operable to draw the printhead into spaced relationship relative to the transfer roller when printing is to be effected.

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