Abstract: A printer comprising a port for feeding continuous paper therethrough, a port for feeding cut paper therethrough and a port for feeding paper manually therethrough at the front of a casing of the printer.

Abstract: An apparatus for feeding recording paper forwardly and backwardly in a printing apparatus comprising a pair of paper feed devices, one on each side of a printing unit. The upstream paper feed device is lower in forward feed speed than the downstream paper feed device. The apparatus includes a larger- and a smaller-diameter gear portions provided integrally on a drive gear wheel which transmits a drive force to the upstream paper feed device. A reverse-feed gear wheel, mounted on the drive shaft, meshes with the larger-diameter gear portion via a one-way clutch. A forward-feed gear wheel, loosely fitted over the drive shaft, meshes with the smaller-diameter gear portion. A clutch spring, wound around the outer periphery of the shaft of the forward feed gear wheel and a seat coupled to the drive shaft, is engaged with a rotary body with a one-way clutch.

Abstract: A paper feeding device for a printer, which is constituted by a paper feeding tray and a tray receiver. The paper feeding tray has a rotatable hopper plate supported at the bottom thereof, a hopper shaft disposed at the lower surface of the front end of the hopper plate, two moving levers respectively connected to two ends of the hopper shaft, and movably supported by two sides of the paper feeding tray, guide grooves formed in the two sides in the tray fitting direction, two movable members supported by the two guide grooves, and have outwardly extending securing portions, and a spring disposed between the movable levers and the movable members, and for pushing up the hopper plate through the hopper shaft with respect to the movable lever.