Patent ID: 8496998

Claim:
A method for producing a gloss watermark comprising: a) depositing a selected pattern of a heat-softenable marking material onto a marking material-bearing portion of a receiver; b) surfacing a heatable fixing member in a selected region so that a surface roughness of the fixing member in the selected region is different than a surface roughness of the fixing member outside the selected region; c) heating the surfaced fixing member; d) after the deposition step, applying pressure to the marking-material-bearing portion of the receiver using the heated fixing member, so that the marking material flows and acquires a gloss in a differentiated region on the receiver corresponding to the selected region of the fixing member that is different than the gloss of the marking material outside the differentiated region; and e) creating a watermark on a surface of the marking material that is visible in specular reflection and not visible under diffuse lighting conditions due to the gloss difference.