Image forming apparatus and cutting device

An image forming apparatus comprising:

• an image forming unit arranged to continuously form images on a continuous sheet;
• a first conveying unit provided downstream the image forming unit in a conveyance direction and arranged to continuously convey the continuous sheet with the images formed thereon;
• a second conveying unit provided downstream the first conveying unit in the conveyance direction and arranged to convey the continuous sheet;
• a first cutting unit provided downstream the second conveying unit in the conveyance direction and arranged to cut the continuous sheet;
• a second cutting unit provided downstream the first cutting unit in the conveyance direction and arranged to cut the continuous sheet;
• and
• a control unit arranged to perform control such that one of the first and second cutting units cuts an upstream end in the conveyance direction of an image on the continuous sheet, the other cuts a downstream end in the conveyance direction of the same image, the second conveying unit is stopped during the cutting by the first cutting unit to form a loop of the continuous sheet at a position between the first and second conveying units, and then if the cutting is ended, the second conveying unit conveys the continuous sheet at a higher conveyance speed than a conveyance speed by the first conveying unit to reduce the loop.