| 摘要 |
PROBLEM TO BE SOLVED: To provide a processing method, a processing device and a storage device, which maintain the security of pictures and character information on a recyclable recording sheet till recycling processing after use. SOLUTION: With respect to the processing method for a recording sheet S which can be recycled by removing printing toner stuck to the surface, the surface of the recording sheet S to which toner is stuck is subjected to unreadability treatment by an unreadability treatment part, for example, a heat roll 13 of an unreadability treatment device 10 so that secret information cannot be seen from the outside. A storage device 42 in which the recording sheet S is stored is attached to and detached from a sheet ejection part 30 of the unreadability treatment device 10 having the image unreadability treatment part as well as a sheet supply part 41 of a sheet recycling device 40, which removes toner on the recording sheet S, and has such constitution that a lot of sheets can be stored in the laminated state.
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