Patent ID: 6960038

Claim:
A printer comprising: a sheet-holding block which can hold a plurality of printing sheets in a stack; a picking-up block for picking up the printing sheets held in the sheet-holding block one at a time; a transporting block for transporting the printing sheets picked up by the picking-up block; a printing block for performing printing on the printing sheets transported by the transporting block; and a sheet-discharging block for discharging the printing sheets that have been subjected to printing at the printing block; wherein the blocks are disposed inside a housing; wherein a positioning block is disposed between the transporting block and the printing block, the positioning block positioning the printing sheets transported by the transporting block, in a direction perpendicular to the direction of paper travel, to a predetermined position regardless of the orientation of the printer, and then discharging said sheets to said print block, and wherein the positioning block comprises a stationary base plate secured with respect to the housing, a movable base plate positioned opposite a stationary base plate, said moveable base plane being capable of moving in the a direction perpendicular to the direction of paper travel, and a moving mechanism for moving the movable base plate with respect to the stationary base plate; wherein an insertion space is provided between the stationary base plate and the movable base plate for inserting each printing sheet that has been transported by the transporting block; and wherein, when one printing sheet has been inserted into the insertion space, the movable base plate is moved with respect to the stationary base plate by the moving mechanism in order to position the printing sheet at the predetermined location.