Electrophotography – Diagnostics – Consumable
Reexamination Certificate
2007-07-10
2007-07-10
Gray, David M. (Department: 2852)
Electrophotography
Diagnostics
Consumable
C399S227000
Reexamination Certificate
active
11089014
ABSTRACT:
When a plurality of development units holding toner of the same color are mounted in an image formation device, an error or warning or the like is displayed on the image formation device or the error or warning is outputted to a host on the basis of the total amount of toner remaining in the plurality of development units. In addition, printing is executed continuously even when a certain toner has run out or is about to run out. An image formation device in which a plurality of development units holding toner of the same color can be mounted is characterized in that the remaining amount of all the toner of the development units holding toner of the same color is managed.
REFERENCES:
patent: 2004/0052538 (2004-03-01), Yugeta et al.
patent: 2002-351190 (2002-12-01), None
patent: 2003-316106 (2003-11-01), None
Inukai Hideaki
Kakuno Norishige
Gray David M.
Seiko Epson Corporation
Sughrue & Mion, PLLC
Villaluna Erika J.
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