US 11,669,026 B2
Image forming apparatus including a downstream belt presser from an external side
Junya Aoyama, Sakai (JP)
Assigned to SHARP KABUSHIKI KAISHA, Osaka (JP)
Filed by SHARP KABUSHIKI KAISHA, Osaka (JP)
Filed on Oct. 5, 2021, as Appl. No. 17/494,197.
Claims priority of application No. JP2020-170736 (JP), filed on Oct. 8, 2020.
Prior Publication US 2022/0113655 A1, Apr. 14, 2022
Int. Cl. G03G 15/16 (2006.01)
CPC G03G 15/1605 (2013.01) 9 Claims
OG exemplary drawing
 
1. An image forming apparatus, comprising:
an endless intermediate transfer belt;
a driving roller being in contact with an internal surface of the intermediate transfer belt and to circulate the intermediate transfer belt;
a plurality of primary transfer members to respectively primarily transfer toner images formed by a plurality of image formers onto an external surface of the intermediate transfer belt;
a secondary transfer member disposed so as to abut on the external surface of the intermediate transfer belt on the driving roller and to secondarily transfer the toner images that are primarily transferred onto the external surface of the intermediate transfer belt onto a sheet; and
a belt presser pressed against the intermediate transfer belt on a downstream side from a position where the secondary transfer member abuts on the intermediate transfer belt in a circulation direction of the intermediate transfer belt and from an external side of the intermediate transfer belt,
wherein when the belt presser is pressed against the intermediate transfer belt, the belt presser is abutted to the driving roller via the intermediate transfer belt, and when not forming the images, the belt presser is released from the intermediate transfer belt.