Patent ID: 8469485
Filing Date: 2013-06-25
Classification: B41J

Abstract:
1. A system for evaluating image quality in an image generating system comprising: at least one image generator configured to generate an image; an image capture device configured to generate a digital signal corresponding to a generated image; an image evaluator configured to process the digital signal to detect and correct anomalies detected in the generated image; a plurality of calibration tools, each calibration tool being comprised of at least one test pattern, at least one set of detection criteria, and at least one set of anomaly correction parameters; and a controller configured to select the calibration tools for operation of the at least one image generator and the image evaluator with reference to a predetermined sequence that attenuates changes arising from application of anomaly correction parameters of one calibration tool upon a later selected calibration tool, wherein the plurality of calibration tools generate and evaluate images generated with an ink ejecting device, wherein the plurality of calibration tools further comprising at least one printhead calibration tool, and wherein the at least one printhead calibration tool further comprising a missing inkjet calibration tool; a printhead-to-printhead alignment calibration tool; a printhead-to-printhead intensity calibration tool; a tonal reproduction curve (TRC) calibration tool; and a Y dot position calibration tool.