| 摘要 |
PROBLEM TO BE SOLVED: To preferencially select a proper paper feed cassette where the smallest number of jummings occur, even in the case that combination of the paper feed cassette and a cassette attaching part is varied due to movement of the paper feed cassette, while taking the combination variation into consideration. SOLUTION: This type of image forming device has followings. A cassette recognition means 52 recognizes each paper feed cassette to be attached to a cassette attachment part. A jamming management means 57 memorizes and manages number of jamming in every cassette. A selection means 50 preferencially selects the paper feed cassette where the smallest number of jammings occur based on management information of the jamming management means, in the case that sheets of size to be fed are housed in a plurality of paper feed cassette. |
