Patent ID: 9098022
Filing Date: 2015-08-04
Classification: G03G

Abstract:
1. An image forming method, comprising: forming a toner image on an image receiving media substrate by depositing a toner material on the image receiving media substrate in an image forming device; superimposing a secondary image on the toner image formed on the image receiving media substrate, the secondary image (1) being independent of the toner image underlying the secondary image and (2) having a first surface roughness; and exposing portions of the secondary image to short pulses of laser energy from a single source of laser energy in the image forming device, the laser energy modifying the first surface roughness of the exposed portions of the secondary image to a second surface roughness while the toner image and the image receiving media substrate remain substantially unaffected by the laser energy, a difference in surface roughness between the first surface roughness and the second surface roughness causing a distinct contrast in gloss in the secondary image, and the laser energy being applied in a manner that precludes losses in the toner material and evaporation of the toner material in the toner image.