Patent ID: 8290420

Claim:
An image carrier unit configured to carry a toner image, comprising: an image carrier member configured to carry the toner image; a cleaning portion configured to clean the image carrier member; a seal member; and a developer, wherein the cleaning portion includes a cleaning blade, the cleaning blade includes a blade portion in contact with the image carrier member, and a holder configured to partially surround and hold the blade portion, the holder includes a swaged claw portion configured to bite into the blade portion, the image carrier member includes an image carrier surface including a first region in which the toner image is formed and a second region adjacent to the first region, in which the toner image is not formed, the cleaning blade includes a first cleaning blade configured to remove toner adhering to the first region and a second cleaning blade configured to remove toner adhering to the second region, the second cleaning blade includes the blade portion and the holder, the blade portion of the second cleaning blade makes contact with the second region the seal member is configured to remove toner between a first cleaning region from which toner is removed by the first cleaning blade and a second cleaning region from which toner is removed by the second cleaning blade, the seal member forming a seal wall extending beyond a tip edge of the first cleaning blade in contact with the image carrier surface toward the second cleaning blade, the developer includes a developing roller configured to supply toner to the image carrier surface, a disc configured to define a gap between a circumferential surface of the developing roller and the image carrier surface, the disc making contact with the image carrier surface, and the second cleaning region includes a contact region between the disc and the image carrier surface.