Electrophotography – Diagnostics – Consumable
Patent
1998-09-21
2000-09-26
Beatty, Robert
Electrophotography
Diagnostics
Consumable
399257, G03G 1508
Patent
active
061252433
ABSTRACT:
In an image forming apparatus, a developing unit for forming an image by use of a two-ingredient type developer, i.e., toner and carrier mixture, includes a container for replenishing fresh toner and for replacing carrier deteriorated due to aging or a developer including such carrier. The developer in the developing unit will be collected based on the number of times that a part of the developer has been replenished.
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Hatori Satoshi
Kai Tsukuru
Ohta Kiyotaka
Shoji Hisashi
Tsuda Kiyonori
Beatty Robert
Ricoh & Company, Ltd.
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