To provide an image recording device that can prevent the degradation of an image receiving sheet and a toner sheet to the utmost and positively fit the sheets to a sensitive material holding member.

A recording medium formed by superposing a toner sheet 6 and an image receiving sheet 5 having an image receiving layer on one side on each other is fitted to the outer peripheral surface of a recording rotary drum 2, and the recording medium is heated on the basis of output character image data so as to heat-transfer toner of the toner sheet to the image receiving layer. In such an image recording device, sheet bending means 8, 9a, 9b for bending the sheet in an opposite direction to the direction of curling of the sheet, and a heating means 11 for heating the sheet part bent by the sheet bending means are provided on the way of conveyance to the recording rotary drum 2 for the supplied sheet.