Management system, management device, management method and...

Details Management system, management device, management method and... Management system, management device, management method and...

2010-03-17

2011-11-01

Porta, David (Department: 2884)

Electrophotography

Diagnostics

Consumable

C399S044000, C399S262000

Reexamination Certificate

active

08050576

ABSTRACT:
A management system includes: an image forming apparatus including a toner storage unit storing toner used in a developing unit, and a toner-transporting unit transporting the toner from the toner storage unit to the developing unit; and a management device connected to the apparatus through a communication unit, and managing a toner-remaining amount in the toner storage unit. The management device includes: an acquiring unit acquiring, from the apparatus, information on toner transportation time and characteristic quantities concerning variation in toner consumption in the developing unit and representing environment in the apparatus; a predicting unit calculating a predicted value of the toner-remaining amount with the acquired information on toner transportation time; a memory storing correspondence between the predicted value and a measured value of the toner-remaining amount; and a correcting unit correcting the correspondence according to the characteristic quantities, and correcting the predicted value with the corrected correspondence.

REFERENCES:
patent: 2003/0202806 (2003-10-01), Katoh et al.
patent: 2004/0158661 (2004-08-01), Mokuya
patent: A-08-166712 (1996-06-01), None
patent: A-11-174909 (1999-07-01), None
patent: A-2005-173088 (2005-06-01), None
patent: A-2006-259145 (2006-09-01), None

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