Patent ID: 7245839
Filing Date: 2007-07-17
Classification: G03G

Abstract:
1. A printer having a consumable product loaded therein, said consumable product being consumed according to the volume of prints made in said printer, said printer comprising: a remaining amount measurement device for measuring a remaining amount of said consumable product; an actual consumption recording device for memorizing a record of actual consumption of said consumable product; a prediction device for predicting based on said record of actual consumption how much said consumable product will be consumed from now on, and for predicting a run-out time when said printer will run out of said consumable product based on a predicted consumption value and a remaining amount of said consumable product detected at a time of prediction; an alarming device for giving an alarm when said prediction device predicts that said printer will run out of said consumable product within a given period, and a device of detecting an actual consumption value on each day based on a difference in remaining amount of said consumable product between a day and a previous day.