Abstract: An image recording apparatus for recording an image orresponding to an image corresponding to an original image on a photosensitive recording medium. This apparatus uses at least one mask member having a surface on which a light shielding image corresponding to the original image. In order to reproduce a clear image, various factors which may cause to change the amount of exposure are compensated for. Such factors includes the thickness of the paper of the mask member, the paper quality of the mask member, the condition of a laser printer which prints the light shielding image on the mask member.