Patent ID: 8440742

Claim:
A system for printing images, comprising: a) an ink-jet ink, including: i) an aqueous liquid vehicle having at least one volatile co-solvent, each volatile co-solvent present having a boiling point at or below about 285° C., wherein the total amount of volatile co-solvent present in the ink-jet ink is from 5 wt % to 50 wt %, said aqueous liquid vehicle further comprising a non-volatile co-solvent in an amount of from 0.1 wt % to 2 wt %, ii) acid-functionalized polymer colloid particulates dispersed in the liquid vehicle, said acid-functionalized polymer colloid particulates including surface acid groups, said surface acid groups provided by acid monomers copolymerized with other monomers to form the polymer colloid particulates, said acid monomers being present at from 1 wt % to 15 wt % of total monomers used to form the polymer colloid particulates, and iii) polymer-encapsulated pigment colorants dispersed in the liquid vehicle; b) a thermal ink-jet printhead configured for printing ink-jet ink; c) a non-porous substrate configured for receiving the ink-jet ink upon printing with the ink-jet printhead; and d) a heating element configured for heating the image once it is printed on the non-porous substrate.