The invention provides a maintenance device (10) capable for inhibiting worsening of a wiper (1). The maintenance device (10) for a head (21) of a liquid drop ejecting device (50) for printing comprises: a wiper (1) for wiping an attachment; a wiper cleaning part (6) for cleaning the wiper (1); a resin belt (4) for moving the wiper (1); and a wiper protection wall (5) for protecting the wiper (1) at a position side of the wiper cleaning part (6) between the position of the head (21) and the position of the wiper cleaning part (6) when the wiper (1) wipes the attachment.