Method and apparatus for image forming capable of accurately...

Details Method and apparatus for image forming capable of accurately... Method and apparatus for image forming capable of accurately...

2006-05-10

2010-10-26

Worku, Negussie (Department: 2625)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S501000, C358S001900, C358S530000, C399S049000, C399S100000

Reexamination Certificate

active

07821677

ABSTRACT:
An image forming apparatus includes a plurality of image carriers, an image forming mechanism, a seamless belt-like intermediate transfer body or a transfer material carrier, a detection mechanism, and an optical detecting apparatus. The optical detecting apparatus includes at least a printed board, and a plurality of photodetectors formed of a light-emitting element, a light-receiving element and light-shielding members, which are mounted on the printed board. The optical detecting apparatus is disposed such that it detects a belt surface adjacent to rollers of the intermediate transfer body or the transfer material carrier, and either displacement of a transfer image or image density is detected by a plurality of photodetectors detecting pattern images which are transferred from the plurality of image carriers to the image transfer body or the transfer material carrier.

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