DATA PROCESSOR, RECYCLE SYSTEM, CARTRIDGE AND DATA PROCESSING METHOD

摘要

PROBLEM TO BE SOLVED: To secure the maximum service life of respective components by accurately managing the use history of the components with absolute minimum costs and manpower and to efficiently utilize environment resources. SOLUTION: By incorporating a storage means 12 in a cartridge 1 and writing and reading information regarding the use history of the respective components by using a computer 101, whether or not a returned used cartridge can be recycled is checked.