Hand-held printing device and method for tuning ink jet color for printing on colored paper

摘要

A hand-held printer is disclosed. The hand-held printer includes an image sensor configured to determine a color having plurality of color components associated with a print medium, an image processing module configured to process image data into a plurality of color layers; and a print module configured to receive information related to the plurality of color components from the image sensor and information related to the plurality of color layers from the image processing module. The print module being configured to enhance at least one of the plurality of color layers based on at least one of the corresponding plurality of color components associated with the print medium.

主权项

1. A controller comprising:
an interface configured to:
receive background color data corresponding to a background color of a print medium sensed from an image sensor, andreceive digital image data that includes information on a plurality of colors included in the digital image data; wherein the controller is configured to:
compare the background color data with the digital image data;correlate the background color of the print medium with the plurality of colors included in the digital image data based on the comparison, andignore at least part of the digital image data based on the correlation in order to conserve a printing substance.