Image forming apparatus and image forming method

Electrophotography – Diagnostics – Unit or part identification

Reexamination Certificate

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C399S027000, C399S058000

Reexamination Certificate

active

08000615

ABSTRACT:
In an image forming apparatus, a timer unit measures a time interval between a current time and a time point when previous supply of toner to a developing unit ended and an adjusting unit adjusts an amount of toner to be supplied to the developing unit based on the time interval measured at the timer unit.

REFERENCES:
patent: 5974280 (1999-10-01), Takesue et al.
patent: 5987298 (1999-11-01), Muramatsu et al.
patent: 7509063 (2009-03-01), Kimura et al.
patent: 2007-148277 (2007-06-01), None

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