PURPOSE: To grasp the replacement time for each transport roller easily and correctly by reading out the supplied paper quantity data in each paper feeding device from each set region on a memory device by the prescribed key operation on an operating panel and displaying the data in a lump.

CONSTITUTION: In the selected state for the upper paper feeding cassette part, lower paper feeding cassette part, or a manual insertion paper feeding part, the CPU of a paper feed quantity counting device counts each quantity of supplied paper from the signal of a paper stop switch interlocked with a resisting roller, and memorized into each memory region 811-813 for the manual insertion paper feeding part, upper paper feeding cassette part, and a lower paper feeding cassette part which is set in a memory device 81, and the total quantity of the supplied paper is memorized into a memory region 814. The quantity data of the supplied paper in each paper feeding device which is memorized in the memory device 81 is read out by the prescribed turning-ON of key on an operating panel, and displayed in a lump onto a display device. Therefore, the replacement time for each transport roller in a paper feeding means equipped with a plurality of paper feeding parts can be grasped easily and correctly.