Patent ID: 8731448

Claim:
An image forming apparatus comprising: an endless intermediate transfer member stretched over a plurality of rotatably driven rollers and configured to bear a toner image on a surface thereof; a first biasing member; a secondary transfer roller to be pressed against the surface of the intermediate transfer member by the first biasing member at a pressure F 2 ; an opposed roller, being one of the plurality of rollers around which the intermediate transfer member is wound, disposed opposite the secondary transfer roller with the intermediate transfer member sandwiched between the opposed roller and the secondary transfer roller, the secondary transfer roller and the opposed roller together forming a secondary transfer nip with the sandwiched intermediate transfer member, at which the toner image carried on the intermediate transfer member is transferred onto a recording medium; and a second biasing member to bias the opposed roller toward a center of the secondary transfer roller at a pressure F 1 , wherein the opposed roller moves upwards along a line connecting respective axes of the secondary transfer roller and the opposed roller when the recording medium enters the secondary transfer nip, and the pressure F 2 applied by the first biasing member to the secondary transfer roller at the secondary transfer nip is greater than a pressure F 1 applied to the opposed roller by the second biasing member at the secondary transfer nip.