Patent ID: 8827419
Filing Date: 2014-09-09
Classification: B41J

Abstract:
1. A printing apparatus comprising: a printhead including a nozzle surface with at least one nozzle array formed by a plurality of nozzles for discharging ink; a cap member for capping the nozzle surface of the printhead, wherein the cap member includes a suction port for sucking ink from the cap member and an inflow port through which air flows in; a suction unit connected to the suction port; and a control unit configured to control, in performing an ink preliminary discharge operation for the printhead while driving the suction unit with the nozzle surface capped by the cap member, a start of a first preliminary discharge operation for nozzles, among the plurality of nozzles, with a long distance to a straight line connecting the suction port with the inflow port before a second preliminary discharge operation for nozzles with a short distance to the straight line.