An image forming apparatus configured to form an image on a recording medium, comprising: a heating device being configured to heat the recording medium conveyed and including a heater the heater extending in a direction orthogonal to a conveyance direction of the recording medium and including a heat generator, the heater being configured to generate a larger amount of heat at one end in the direction orthogonal to the conveyance direction than at a center of the heater in the direction orthogonal to the conveyance direction; a rotator (2, 11, 39); and a blade (77, 69, 38) including a rubbing portion (77a, 69a) the rubbing portion (77a, 69a) extending in the direction orthogonal to the conveyance direction, one end of the rubbing portion (77a, 69a) in the direction orthogonal to the conveyance direction facing the one end of the heater in the direction orthogonal to the conveyance direction, the other end of the rubbing portion (77a, 69a) in the direction orthogonal to the conveyance direction facing the other end of the heater in the direction orthogonal to the conveyance direction, and the rubbing portion (77a, 69a) being configured to rub the rotator (2, 11, 39), characterised in that the rotator (2, 11, 39) and the blade (77, 69, 38) are configured such that a friction force between the rotator (2, 11, 39) and the one end of the rubbing portion (77a, 69a) is smaller than a friction force between the rotator (2, 11, 39) and a center of the rubbing portion (77a, 69a) in the direction orthogonal to the conveyance direction. a heating device being configured to heat the recording medium conveyed and including a heater the heater extending in a direction orthogonal to a conveyance direction of the recording medium and including a heat generator, the heater being configured to generate a larger amount of heat at one end in the direction orthogonal to the conveyance direction than at a center of the heater in the direction orthogonal to the conveyance direction; the heater extending in a direction orthogonal to a conveyance direction of the recording medium and including a heat generator, the heater being configured to generate a larger amount of heat at one end in the direction orthogonal to the conveyance direction than at a center of the heater in the direction orthogonal to the conveyance direction; a rotator (2, 11, 39); and a blade (77, 69, 38) including a rubbing portion (77a, 69a) the rubbing portion (77a, 69a) extending in the direction orthogonal to the conveyance direction, one end of the rubbing portion (77a, 69a) in the direction orthogonal to the conveyance direction facing the one end of the heater in the direction orthogonal to the conveyance direction, the other end of the rubbing portion (77a, 69a) in the direction orthogonal to the conveyance direction facing the other end of the heater in the direction orthogonal to the conveyance direction, and the rubbing portion (77a, 69a) being configured to rub the rotator (2, 11, 39), the rubbing portion (77a, 69a) extending in the direction orthogonal to the conveyance direction, one end of the rubbing portion (77a, 69a) in the direction orthogonal to the conveyance direction facing the one end of the heater in the direction orthogonal to the conveyance direction, the other end of the rubbing portion (77a, 69a) in the direction orthogonal to the conveyance direction facing the other end of the heater in the direction orthogonal to the conveyance direction, and the rubbing portion (77a, 69a) being configured to rub the rotator (2, 11, 39), characterised in that the rotator (2, 11, 39) and the blade (77, 69, 38) are configured such that a friction force between the rotator (2, 11, 39) and the one end of the rubbing portion (77a, 69a) is smaller than a friction force between the rotator (2, 11, 39) and a center of the rubbing portion (77a, 69a) in the direction orthogonal to the conveyance direction.