Printer Calibration Mechanism for Consistent Color Management
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Solution Overview
Problem
Production printers experience changes in optical density over time due to wear, leading to inconsistencies in color management and print quality.
Innovation Solution
A printing system that includes a physical memory device to store calibration logic and processors to execute this logic, which receives a first printer transfer function and a first print substrate transfer function to generate a composite transfer function through function composition, ensuring consistent print quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If production printers operate for extended periods, then productivity is improved, but manufacturing precision deteriorates due to optical density changes from wear
Solution Approach 1:
The system performs preliminary calibration by generating composite transfer functions that anticipate and compensate for expected wear-related optical density changes. The calibration logic pre-calculates compensation values based on usage patterns and applies them before significant degradation occurs, maintaining print quality consistency throughout extended operation periods.
Solution Approach 2:
The system implements continuous feedback through monitoring optical density changes and automatically adjusting transfer functions. The calibration logic receives real-time data on printer and substrate properties, processes this information to detect deviations from target specifications, and dynamically regens transfer functions to compensate for wear, ensuring consistent print quality over time.
2Manufacturing precision
If transfer functions are frequently updated to compensate for wear, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The calibration logic operates autonomously to generate and apply composite transfer functions without requiring external intervention. The system self-monitors optical density changes, automatically recalibrates by composing new transfer functions from printer and substrate characteristics, and applies corrections independently, reducing the need for manual calibration operations and simplifying user interaction despite the sophisticated calibration processes occurring in the background.
Data Source
AI summary
A printing system is disclosed. The printing system includes at least one physical memory device to store calibration logic and one or more processors coupled with the at least one physical memory device to execute the calibration logic to receive a first printer transfer function, receive a first print substrate transfer function associated with a first print substrate and generate a composite transfer function based on a function composition operation of the first print substrate transfer function and the first printer transfer function.