To rationally constitute a paper magazine which can well maintain a position where paper is sent by regulating members regardless of the widths of paper.

This paper magazine is so constituted that the use of the first regulating member R1 for guiding the paper of a broad width and the second regulating member R2 for guiding the paper of the width narrower than the width thereof is made possible. The outer end side of the guide route of the paper is provided with a first obstructing means H1 of a fitting type to permit the mounting of the first regulating member R1 and to obstruct the mounting of the first regulating member R1 in the position on the inner side than the outer end position.