Patent ID: 7073886
Filing Date: 2006-07-11
Classification: B41J

Abstract:
1. A wiping unit for a liquid droplet ejection head, comprising a wipe-off unit having mounted thereon a pressing roller to press a wiping sheet from below to a downward nozzle surface of said liquid droplet ejection head, and a sheet feeding unit for feeding the wiping sheet through said pressing roller such that said wipe-off unit is moved in a predetermined wiping direction parallel to said nozzle surface integrally with said sheet feeding unit to carry out a wiping operation while feeding the wiping sheet in a state in which the wiping sheet is pressed to said nozzle surface, wherein a cleaning liquid ejection member is mounted on said wipe-off unit so as to be positioned below a horizontal surface coincident with said nozzle surface and on a feeding side of the wiping sheet relative to said pressing roller in a state in which the wiping sheet is pressed to said nozzle surface, wherein the wiping sheet is fed from below to said pressing roller through a space between said pressing roller and said cleaning ejection member, and wherein a cleaning liquid is ejected from said cleaning liquid ejection member toward the wiping sheet passing through the space.