Residue removal from nozzle guard for ink jet printhead

摘要

A nozzle guard 80 for an ink jet printer printhead with an array 14 of nozzles 10. The nozzle guard 80 has an array of apertures 84 individually corresponding to the nozzle array 14. The ink droplets are ejected through the apertures 84 and onto the media to be printed. A wiper blade 143 sweeps dust and residual ink 144 stuck to the exterior surface 142 of the nozzle guard 82 characterized in that the exterior surface 142 has a recess 146 individually associated with each of the apertures 86 for preventing residual matter 144 carried by the wiper blade 143 from lodging within the aperture 84.