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US 7,720,421 B2Granted
Apparatus and method for printing a scratch-off document
AssigneeXerox Corporation
InventorTrevor James Snyder
Life of this patent
Estimating the term…
Abstract
An apparatus that includes a first print engine positioned to print front side information on a base material. The first print engine further includes a multi-color print head having a pile height leveling ink delivery system. A fuser is positioned to affix the front side information on the base material, and a second print engine positioned to print a removable scratch-off layer covering at least part of the front side information after the fuser affixes the front side information.
Claims20
An apparatus, comprising
- a first print engine positioned to print front side information comprising ink of a first color on a base material,
- wherein the first print engine comprises a solid ink printer;
- and
- wherein the first print engine further comprises a multi-color print head comprising a pile height leveling ink delivery system to print a solid leveling ink of at least a second color to level one or more pile heights associated with the ink of a first color;
- a fuser positioned to affix the front side information on the base material;
- and
- a second print engine positioned to print a removable scratch-off layer covering at least part of the front side information after the fuser affixes the front side information.
4 more elements
A method, comprising:
- printing a plurality of solid colored inks having a plurality of colors in a plurality of locations on a base material, and
- printing a solid leveling ink, over or under the plurality of solid colored inks in a portion of the plurality of locations so that a combined pile height of the solid leveling ink and the solid colored inks is substantially level.
An apparatus, comprising
- a first print engine positioned to print front side information comprising ink of a first color on a base material,
- wherein the first print engine further comprises a multi-color print head comprising a pile height leveling ink delivery system to print a solid leveling ink of at least a second color to level one or more pile heights associated with the ink of a first color;
- a fuser positioned to affix the front side information on the base material;
- and
- a second print engine positioned to print a removable scratch-off layer covering at least part of the front side information after the fuser affixes the front side information,
- wherein the second print engine comprises a solid ink printer.
3 more elements
Dependencies are inferred from the claim text.