Patent ID: 7909435

Claim:
A printing apparatus which performs printing by ejecting liquid, the printing apparatus comprising: a liquid injection head which ejects liquid onto a printing medium; a plurality of following rollers; a plurality of conveyor belts wound around the following rollers, disposed at predetermined intervals in a direction crossing a printing medium conveyance direction for carrying the printing medium; a plurality of electrifying rollers for electrifying the conveyor belts, such that the printing medium is electrically adhered to the surfaces of the conveyor belts the electrifying rollers being disposed opposite to the following rollers with the conveyor belts being disposed therebetween; and a contact portion comprising a projection provided in the plurality of following rollers at a vicinity of the sides of the conveyor belts in the width direction such that the contact portion projects in the vicinity of the sides of the conveyor belts and contacts the back surface of the printing medium and does not contact the surfaces of the conveyor belts, causing an electric field to be created by the potential difference produced between the electrified conveyor belts and the contact portion of the following rollers such that the printing medium is adhered toward the conveyor belts.