18898368. IMAGE FORMING APPARATUS (CANON KABUSHIKI KAISHA)
IMAGE FORMING APPARATUS
Organization Name
Inventor(s)
HISASHI Taniguchi of Shizuoka JP
TAKUTO Kobayashi of Shizuoka JP
IMAGE FORMING APPARATUS
This abstract first appeared for US patent application 18898368 titled 'IMAGE FORMING APPARATUS
Original Abstract Submitted
A region of an image bearing member facing a developer bearing member at a developing portion is set as a first region, a region of the image bearing member facing the developer bearing member at the developing portion after a region of the developer bearing member facing the first region makes one revolution is set as a second region, and a region of the image bearing member between the first region and the second region is set as a third region. A first pattern for performing exposure and a second pattern for not performing exposure or for performing exposure with an exposure amount smaller than an exposure amount used for the first pattern is formed in the third region. A length of the second pattern is larger than a length of the first pattern in a rotational direction, and the first pattern and the second pattern are repetitively formed.
