| 摘要 |
PROBLEM TO BE SOLVED: To make a recovery speedily and easily in a case that writing abnormality occurs.SOLUTION: A first writing part 30 writes identification information specifying a writing object (rewritable paper 60) attached to a conveyance body (container 10) conveyed in a conveyance direction X to the writing object. A first reading part 40 is provided downstream from the first writing part 30 in the conveyance direction X, and reads the identification information from the writing object. A determination part determines whether the identification information read by the first reading part 40 matches the identification information which should be written to the writing object where the identification information is written. When the determination part determines a discrepancy, a notification part notifies a second writing part 70 of recovery information including at least one of the identification information which should be written to a first writing object as the writing object where the identification information read by the first reading part 40 and determined to be discrepant is written and writing contents corresponding to the identification information. |
