Patent ID: 8714695

Claim:
A transportation roller cleaning mechanism that is a cleaning mechanism for removing ink from a transportation roller that rotates in contact with the printing surface of a recording medium at a position downstream on the recording medium transportation path from a printing position where ink is discharged onto the passing recording medium, comprising: a cleaning member that can move between a cleaning position in contact with the transportation roller and a retracted position not in contact with the transportation roller, moves to the cleaning position in contact with the transportation roller in conjunction with an operation starting to open an access cover for opening and closing a storage unit that holds the recording medium that is supplied to the printing position, and moves to the retracted position not in contact with the transportation roller in conjunction with an operation closing the access cover; an urging member that urges the cleaning member to the cleaning position side; and a cutter having a movable knife and a fixed knife that is urged to the movable knife side downstream on the transportation path from the transportation roller, the movable knife moving to the fixed knife side in conjunction with an operation closing the access cover, and positioning the cleaning member by the intervening fixed knife to the refracted position against the urging force of the urging member, and moving away from the fixed knife in conjunction with the operation starting to open the access cover, and moving the fixed knife to a position not interfering with moving the cleaning member to the cleaning position.