Patent ID: 8910550

Claim:
A printer, comprising: a printing unit configured to print an image on recording paper; a cutter unit having a movable cutter configured to cut the recording paper, wherein a portion of the recording paper on which the image is printed is cut as a printed portion and the portion of the recording paper adjacent to the printed portion is cut as a cut piece; a containing portion that receives the printed portion cut by the cutter unit; a cut piece collecting portion that collects the cut piece cut by the cutter unit; and a cut piece collecting portion cover that can be opened and/or closed and is opened and/or closed in conjunction with a cutting operation of the cutter unit, wherein when the cut piece collecting portion cover is in an open state, the recording paper cut by the cutter unit is collected by the cut piece collecting portion, when the cut piece collecting portion cover is in a closed state, the recording paper cut by the cutter unit can move to the containing portion of the recording paper since an entry to the cut piece collecting portion is restricted by the cut piece collecting portion cover, the cut piece collecting portion cover performs one opening and closing operation for a predetermined number of cutting operations by the cutter unit, a lever member coupled to the cut piece collecting portion cover, a movable cutter drive gear to drive the movable cutter, and a lever member drive gear to drive the lever member, wherein the movable cutter drive gear and the lever member drive gear are configured to rotate synchronously in a rotation speed ratio corresponding to the predetermined number of cutting operations.