Image forming apparatus and image forming method

Details Image forming apparatus and image forming method Image forming apparatus and image forming method

2008-02-20

2010-10-19

Gray, David M (Department: 2852)

Electrophotography

Control of electrophotography process

Having temperature or humidity detection

C399S299000, C399S302000

Reexamination Certificate

active

07817928

ABSTRACT:
An image forming apparatus includes an image carrier, an intermediate transferring body and a contact type secondary transferring member transferring an image from the intermediate transferring body to a recording medium. The apparatus forms an image with respective developers for multiple colors and uses a predefined adjustment pattern to make density adjustment and position adjustment of respective color images. After execution of the density adjustment and/or the position adjustment, a stain prevention pattern is formed with a yellow developer to cover an area where the adjustment pattern is attached to the secondary transferring member.

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