Identification Code Printing With Multi-Color VOID Marking
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Solution Overview
Problem
Print devices frequently require frequent replacement of ink supply sources due to the printing of shaded images and judgment reason information after identifying unacceptable print quality, which shortens the lifespan of the ink supply source.
Innovation Solution
A print device that includes a print head, conveyer, reader, processor, and memory, which controls the conveyance and reading of printed identification codes, and prints a VOID image or additional information using different colors when print quality is unacceptable, thereby reducing the need for ink supply source replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a shaded image and judgment information are printed using the same color ink supply source, then the print quality indication is clear and visible, but the ink supply source is consumed faster requiring more frequent replacement
Solution Approach 1:
The patent applies local quality by using different color inks for different parts of the print output. Specifically, the identification code is printed using one color (e.g., black) while the VOID image and judgment information are printed using a different color (e.g., red). This allows the print quality indication to remain clear and visible while distributing ink consumption across multiple ink supply sources, thereby extending the lifespan of each individual ink supply source.
2Device complexity
If the VOID image is printed using the same color as the identification code, then the printing process is simpler, but the ink supply source replacement frequency increases
Solution Approach 1:
The patent implements local quality by assigning different color properties to different functional elements of the print output. The identification code uses one color while the VOID image uses a contrasting color, which requires the print system to handle multiple ink supply sources but significantly reduces ink consumption per source, thereby reducing replacement frequency and improving overall productivity.
3Productivity
If additional information is printed in the same color as the VOID image, then the printing operation is more efficient, but the overall ink consumption increases leading to more frequent replacements
Solution Approach 1:
The patent applies local quality by using different color inks for the VOID image and the additional information. The VOID image is printed using one color (e.g., red) while the additional information is printed using a different color (e.g., blue). This distribution of ink usage across multiple ink supply sources reduces the consumption rate of each individual source, thereby reducing replacement frequency while maintaining printing operation efficiency.
Solution Approach 2:
The patent segments the printing task into multiple color components, where the VOID image and additional information are printed using different color inks rather than a single ink. This segmentation of the printing process distributes the ink consumption load across multiple ink supply sources, reducing the overall replacement frequency while maintaining operational efficiency.
Data Source
AI summary
A print device includes a print head, a conveyer, a reader, a processor, and a memory. The memory is configured to store computer-readable instructions that, when executed by the processor, instruct the processor to perform processes. The processes include print processing of printing an identification code in the print region, reading processing of acquiring a read image obtained as a result of the reader reading the identification code printed in the print region, judgment processing of judging whether a print quality of the identification code satisfies a predetermined standard, and result print processing of, when it is judged that the print quality does not satisfy the predetermined standard, printing, in the print region, a VOID image indicating, using a color different to a color of the identification code, and at a position at which at least a part of the VOID image overlaps the identification code.