Patent ID: 8475067

Claim:
A printer comprising: a printing head; a common motor; a particular supply roller for supplying a sheet; a feed-in roller for conveying the sheet supplied by the particular supply roller by receiving a driving force transmitted from the common motor; a carriage mounting the printing head, the carriage being movable between an end of a first side and an end of a second side of a reciprocating path extending along a direction; and a driving force transmitting path selecting mechanism provided at the second side, wherein the driving force transmitting path selecting mechanism comprises: a common driving force outputting member for outputting a driving force transmitted from the common motor; a plurality of driving force receiving members; a selecting member for connecting the common driving force outputting member to one of the plurality of driving force receiving members via the selecting member, wherein the selecting member moves to a predetermined position when the carriage moves in a predetermined region of the second side; and a position retainer for keeping the selecting member at the predetermined position when the carriage is positioned outside the predetermined region after the carriage has moved in the predetermined region in order to move the selecting member to the predetermined position, the position retainer comprising a receiving portion configured to receive the selecting member by contacting the selecting member, the receiving portion of the position retainer configured to keep the selecting member at the predetermined position by receiving the selecting member when the carriage is positioned outside the predetermined region after the carriage has moved in the predetermined region, wherein, when the selecting member connects the common driving force outputting member to a first driving force receiving member of the plurality of driving force receiving members, the first driving force receiving member drives the particular supply roller, and wherein, when the selecting member connects the common driving force outputting member to a second driving force receiving member of the plurality of driving force receiving members, the first driving force receiving member does not drive the particular supply roller.