Patent ID: 7090728

Claim:
A head cleaning method for cleaning a plurality of heads for jetting droplets, each head having a nozzle in a nozzle face, the method comprising: collectively and simultaneously cleaning the nozzle face of each of the plurality of heads by using a head cleaning mechanism, the head cleaning mechanism having a wiping sheet and a roller, the collectively and simultaneously cleaning including moving the roller from a position away from the plurality of heads to a position under the nozzle face of each of the plurality of heads so as to feed the wiping sheet by the roller towards the nozzle face of each of the plurality of heads, and wiping the nozzle faces by pushing the roller onto the nozzle face of each of the plurality of heads such that the wiping sheet is positioned between the roller and the nozzle face of each of the plurality of heads, the plurality of heads for jetting droplets being inkjet heads.