Image forming apparatus and developing-agent amount...

Details Image forming apparatus and developing-agent amount... Image forming apparatus and developing-agent amount...

2006-12-05

2006-12-05

Lee, Susan (Department: 2852)

Electrophotography

Diagnostics

Consumable

C399S061000

Reexamination Certificate

active

07146115

ABSTRACT:
An image forming apparatus having a first operating mode and a second operating mode, where the second operating mode has an image forming velocity different from that in the first operating mode. The image forming apparatus includes a developing-agent containing portion, which contains a developing agent, an optical developing-agent amount detecting portion, which detects the amount of developing agent in the developing agent containing portion, a processing portion, which obtains the amount of developing agent based on data on the amount of developing agent detected by the developing-agent amount detecting portion, and a storing portion, which stores information for correcting data on the amount of developing agent detected by the developing-agent amount detecting portion in the second operating mode. The processing portion corrects the data on the amount of developing agent detected by the developing-agent amount detecting portion in the second operating mode based on the information stored in the storing portion, and obtains the amount of developing agent based on the corrected data.

REFERENCES:
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patent: 6785479 (2004-08-01), Naito et al.
patent: 6947681 (2005-09-01), Ogata
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patent: 10-133544 (1998-05-01), None
patent: 10-186822 (1998-07-01), None
patent: 2000-131936 (2000-05-01), None

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