Printing Element Temperature Control for Uniform Wear
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Solution Overview
Problem
In print apparatuses, the differential usage of printing elements (dies) leads to uneven wear and increased printing defects due to the reduced usage of edge dies, resulting in inconsistent print quality.
Innovation Solution
A temperature control unit is used to increase the operating temperature of less-used printing elements relative to more frequently used ones, mimicking the wear and behavior of heavily used elements, thereby achieving uniform aging and improved consistency in print quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If edge dies are used less frequently to reduce printing defects, then printing reliability is improved, but manufacturing precision deteriorates due to uneven wear and inconsistent print quality
Solution Approach 1:
The patent applies parameter changes by modifying the temperature parameter of printing elements. Specifically, edge dies that are used less frequently are heated to higher temperatures than central dies, compensating for their reduced usage. This temperature parameter adjustment ensures that all printing elements maintain consistent performance characteristics despite differential usage patterns, thereby resolving the contradiction between improved reliability and manufacturing precision
Solution Approach 2:
The patent implements local quality by applying different temperature conditions to different spatial locations of the printing element array. Edge dies receive different thermal treatment compared to central dies, with each location optimized according to its specific usage characteristics. This localized quality adjustment ensures uniform aging and consistent print quality across all printing elements
2Productivity
If differential usage of printing elements is implemented, then productivity is improved by reducing defects, but uniform aging is worsened leading to inconsistent wear patterns
Solution Approach 1:
The patent uses parameter changes by adjusting the temperature parameter differently for various printing elements based on their usage frequency. Edge dies used less frequently are subjected to higher temperatures, while central dies used more frequently receive lower temperatures. This differential temperature parameter adjustment compensates for the unequal usage patterns, ensuring that all printing elements age uniformly and wear consistently over time
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enhances the uniform aging of printing elements, leading to more consistent print quality by ensuring that all elements wear at a similar rate, reducing defects caused by differential usage.
Implementation Method 1
a heating system to increase an operating temperature of a first printing element in the plurality of printing elements by a defined amount relative to an operating temperature of a second printing element in the plurality of printing elements
Data Source
AI summary
A print apparatus is disclosed. The print apparatus comprises a plurality of printing elements; and a temperature control unit, controllable by processing circuitry, to increase an operating temperature of a first printing element in the plurality of printing elements by a defined amount relative to an operating temperature of a second printing element in the plurality of printing elements. A method and a machine-readable medium are also disclosed.