| 摘要 |
PROBLEM TO BE SOLVED: To inhibit the appearance of wrinkles and form a proper fold, without reference to a sheet form, in a device and a method for folding a sheet, and a printer.SOLUTION: A first folding part, which forms a signature A by folding a sheet in an intermediate position in the state of sandwiching it between a pair of folding rollers 39a and 39b, and a second folding part, which makes a first pressing plate press a fold of the signature A formed by the first folding part, are provided.SELECTED DRAWING: Figure 1 |
