US 2005/0135852 A1 · Image forming apparatus

Abstract

To provide an image forming apparatus capable of improving the deterioration of an image by cleaning a photosensitive drum with stability and by use of the photosensitive drum and the cleaning roller. In an image forming apparatus of the type in which a toner image formed on a photosensitive drum 1 is transferred to form a color image and in which the toner remaining on the photosensitive drum 1 after the toner imager is transferred is cleaned by cleaning means, the cleaning means includes a cleaning blade 30 for removing the toner remaining on the photosensitive drum 1 and a magnet roller 31 that is arranged nearer to the upstream side in the rotational direction of the photosensitive drum 1 than the cleaning blade 30 and is made to abut against by the photosensitive drum 1, thereby being rotated, and the magnet roller 31 is rotated independently of the rotating of the photosensitive drum 1.

Claims8

Dependent claims

An image forming apparatus comprising:

an image bearing member;
a plurality of image forming means for forming images of toner of different colors on the image bearing member, at least one of the plurality of image forming means forming the image by use of magnetic toner;
transfer means for transferring the image formed on the image bearing member to a transfer medium sequentially in a superimposing manner;
and
a rotary member provided with magnetic poles of different magnetic properties so as to bear the magnetic toner, the rotary member sliding the toner born thereon with respect to the image bearing member to clean the image bearing member,
wherein the image bearing member is rotated by a drive source that is different from a drive source for rotating the rotary member.

3 more elements

Dependencies are inferred from the claim text.

Image forming apparatus

Life of this patent

Image forming apparatus

Life of this patent

Abstract

Claims8