Developing method

A developing method for developing an electrostatic latent image at a developing region, said method comprising steps of:

• preparing a developer containing toner particles and carrier particles;
• regulating a quantity of the prepared developer on a developer transporter within a range of 0.7.about.5.0 mg/cm.sup.2 ;
• transporting the regulated developer to the developing region;
• and
• applying an alternating current voltage between the developing region and the electrostatic latent image to generate an oscillating electric field to supply the transported developer to the electrostatic latent image wherein the oscillating electric field is expressed by the following formula:
• 5kV/mm .gtoreq.(Vp-p/Ds).gtoreq.3.5kV/mm
• wherein the Vp-p is peak-to-peak value of the applied alternating current voltage, and Ds is a distance between the developing region and the electrostatic latent image.

A developing method for developing an electrostatic latent image at a developing region, said method comprising steps of:

• preparing a developer containing toner particles and carrier particles which has a bulk-compensated specific gravity of 0.28.about.0.37 and an angle of repose of 38.degree..about.52.degree.;
• regulating a quantity of the prepared developer on a developer transporter within a range of 0.7.about.5.0 mg/cm.sup.2 ;
• transporting the regulated developer to the developing region;
• and
• applying an electric field between the developing region and the electrostatic latent image to supply the transported developer to the electrostatic latent image.