Patent ID: 7172353

Claim:
An image forming apparatus comprising: a chassis; a print head unit pivotably supported by the chassis; a platen roller rotatably supported by the chassis to perform printing with the print head unit; a metal feed roller rotatably supported by the chassis to convey paper; a metal press roller rotatably mounted to the chassis so as to be pressed against the feed roller to convey paper; feed roller bearings mounted to the chassis for rotatably supporting the feed roller; and a contact portion formed integrally with at least one of the print head unit and the feed roller bearings, the contact portion bulging toward the other of the print head unit and the feed roller bearings, the print head unit and the feed roller bearings being arranged such that the contact portion is pressed into contact with the other of the print head unit and the feed roller bearings when the print head unit is pressed against the platen roller during printing.