| 摘要 |
PROBLEM TO BE SOLVED: To solve problems in a post-processing device having a mail box wherein each number of loaded sheets is small to easily cause overflow. SOLUTION: A user registers his/her own mail box and a mail box of another user as a substitutional mail box, discharges paper to the substitutional mail box when the own mail box overflows, informs each user of the fact, thereby discharging more printed matters than the prior art while keeping secrecy. |
