Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masaru Watanabe0
Date of Patent
May 19, 2009
0Patent Application Number
117157340
Date Filed
March 8, 2007
0Patent Primary Examiner
Patent abstract
A method for adjusting a developing device including a magnetic roll for holding a two-component developer composed of a carrier and toner filled in a developing tank in a brush state, and a developing roll for developing an electrostatic latent image formed in an image carrier by holding toner conveyed from the magnetic roll, includes a bias voltage adjustment step for adjusting a conveyance amount of toner from the magnetic roll to the developing roll by adjusting bias voltages applied to the magnetic roll and the developing roll respectively, and a mixing ratio adjustment step for adjusting a conveyance amount of the toner by adjusting a mixing ratio of the two-component developer.
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