INFORMATION PROCESSING DEVICE AND METHOD THEREFOR

摘要

PROBLEM TO BE SOLVED: To realize charging in accordance with the number of printed sheets concerning supplied toner in a cartridge. SOLUTION: When data 8 on the number of printed sheets are transmitted to a service center 101 from the equipment of a user 102, the service center 101 performs a charging based on a unit cost and the number of printed sheets in accordance with the contents of the contract for every user and informs the user 102 of the amount claimed. When the service center 101 obtains information 1 that the toner amount is small from the equipment of the user 102, it predicts a toner end time and gives information on the replenishment of the cartridge and the recovery of an empty cartridge to the user 102.