To provide a means enabling to remedy a recombination from products of various different product constitutions, which is treated as the scrap by the reasons except lifetime, to a reproduction object model in the order of redeemable recovery machines.

In order to provide as a reproducer to the market by throwing a recovery machine, the used product, in a reproduction manufacturing process, and subjecting it under a treatment, the remedy of the recovery machine as the scrap in a recovery process for classifying and sorting the concerned recovery machine is provided. The recovery machine on the scrap by the reasons except lifetime by classifying and sorting is separated, based on the separated information providing a priority, the recovery machine meeting the remedy conditions is separated, the separated information and the selection criterion communicate with a remedy section of the recovery machine for reproducer. The recovery machine thrown in the reproduction process as the use for a reproducer is subjected under a classification judgement with the classification standard made based on a copy number value by a mechanical type counter provided in an interior unit of the product, and information for classification such as product structure model and production number described in a rate label from which the date of manufacture as a new product is known, and the like, as information items in a life prediction of the product.