Electrophotography – Diagnostics – Consumable
Reexamination Certificate
2006-02-08
2008-12-09
Gleitz, Ryan (Department: 2852)
Electrophotography
Diagnostics
Consumable
Reexamination Certificate
active
07463837
ABSTRACT:
An image forming apparatus includes a first and a second developing unit storing dark toner and light toner, respectively, a dark toner and a light toner replenishing device for replenishing the dark toner and light toner to the first and second developing units, respectively, and a toner replenishment control unit storing a dark toner replenishment history and a light toner replenishment history for controlling the operations of the dark toner and light toner replenishing devices. The toner replenishment control unit corrects, when replenishing the light toner, the light toner replenishing operation by referencing the dark toner replenishment history to thereby control the operation of the light toner replenishing device or corrects, when replenishing the dark toner, the dark toner replenishing operation by referencing the light toner replenishment history to thereby control the operation of the dark toner replenishing device.
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Gleitz Ryan
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Ricoh & Company, Ltd.
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