Paper cassette and printer therewith

摘要

A paper guide is movably disposed on a paper cassette according to the present invention. One edge of a link member is rotatably pivoted on a paper rear edge guide. A gear is formed on a pivoting side of the arm member. The gear is engaged with a gear formed on a signal output drum disposed in the paper cassette. As the paper guide is moved, one train of protrusions corresponding to the size of papers stored in the paper cassette is selected. A printer to which the paper cassette is attached according to the present invention has switches that are pressed by the selected train of protrusions. The switches detect the sizes of papers stored in the paper cassette.