Patent ID: 6314251
Filing Date: 2001-11-06
Classification: G03G

Abstract:
An image forming apparatus comprising:first image forming means provided with a rotating first image bearing member for bearing a first color toner image;second image forming means provided with a rotating second image bearing member for bearing a second color toner image different in color from the first color toner;transferring means being able to overlap the toner images of said first image bearing member and said second image bearing member onto a member to be transferred, or transferring one of the toner images to the transfer member to be transferred;each of said first and second image forming means includes a rotating charging member, which is in contact with surfaces of said first and second image bearing members from which no after-transfer residual toner is removed, and a developing unit for developing an electrostatic image on said image bearing member; androtation controlling means for controlling rotation of said charging member and said first and second image bearing members;said apparatus having a monochromatic mode for image formation in monochromatic color, andsaid rotation controlling means rotating said second image bearing member and said charging member of said second image foiming means in the monochromatic mode.