Patent ID: 6480690
Filing Date: 2002-11-12
Classification: G03G

Abstract:
An image forming apparatus, comprising:at least one carrier; a developing device housing a toner having toner particles containing a first magnetic powder and a binder resin, 0.5 to 5% by weight based on the total weight of the toner particles of a second magnetic powder, and 0.01 to 0.5% by weight based on the total weight of the toner particles of stearate particles having an average particle diameter of 1 &mgr;m to 3 &mgr;m, including a developing roller having a hollow cylindrical sleeve arranged rotatable and a magnet roll arranged within the sleeve, rotatable independently of the sleeve and having a plurality of magnetic poles, and serving to develop an electrostatic latent image formed on the image carrier so as to form a developing agent image; a transfer device for transferring the developing agent image; a cleaning device for cleaning the developing agent that was not transferred; and a fixing device arranged below the transfer device for fixing the transferred developing agent image.