| 摘要 |
This invention provides an image forming apparatus including a belt member which is shaped like a belt and has a belt surface and to which a toner image corresponding to image data is transferred, a roller member for moving the belt surface at a constant velocity in a predetermined direction while giving a predetermined tension to the belt member, a roller drive device which rotate the roller member at a predetermined rotational velocity, and a drive force stabilizing device which is located between the roller member and a structural body supporting the roller member and which absorb a rotation irregularity component or a velocity change occurring in the belt member.
|
