| http://www.w3.org/ns/prov#value | - FIELD OF THE INVENTION AND RELATED ART STATEMENT [0001] The present invention relates to an image forming apparatus such as a printer and a copying machine constructed such that a replacement part such as a toner cartridge is detachably mountable to an apparatus main body, a management method for a replacement part used for the image forming apparatus, and a management program for a replacement pa
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