Printer Test Pattern Control for Print Quality Verification
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Solution Overview
Problem
Printed matter producing apparatuses face issues with defective products due to faint prints caused by dust or attached matter on the printing head, leading to waste and decreased print quality.
Innovation Solution
A printer with a feeder, printing head, take-up body, and visual confirmation window that forms a test pattern before production, allowing users to visually confirm print quality and prevent defective products by controlling the feeding and take-up motors and heating elements to ensure the test pattern is visible for inspection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If print formation is performed by the printing head, then desired print is formed on the recording medium, but faint print or decreased print quality occurs due to attached matter such as dust on the printing head or nearby area
Solution Approach 1:
The system performs a test pattern formation operation before actual print production to detect potential quality issues. The coordination control portions control the feeding motor, take-up motor, and heating elements to form a test pattern, then position it for visual confirmation through the window, allowing preventive detection of dust or printing head issues before they affect production prints
2Productivity
If printed matter is produced by take-up of the recording medium with print, then roll-shaped printed matter is produced, but defective products result and waste occurs when faint print is found after production
Solution Approach 1:
The system performs quality verification through test pattern formation and visual confirmation before committing to full production. The coordination control portions enable the test pattern to be formed and positioned for inspection, allowing users to detect potential defects early and avoid producing large quantities of defective printed matter, thereby reducing waste
Solution Approach 2:
The visual confirmation window provides immediate feedback on print quality by allowing users to observe the test pattern directly. This feedback mechanism enables users to assess print quality in real-time and make informed decisions about whether to proceed with production, preventing waste from defective products
3Reliability
If the test pattern is formed and positioned for visual confirmation, then users can detect print quality issues before production, but additional control operations are required
Solution Approach 1:
The coordination control portions merge the control of multiple components (feeding motor, take-up motor, heating elements) into a unified control system. This integration allows the test pattern formation and positioning to be accomplished through coordinated operation of these components, managing the complexity through systematic control rather than separate independent operations
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 solution effectively reduces waste by allowing users to identify and address print quality issues before actual production, improving convenience and reducing defective products.
Implementation Method 1
a printing head configured to form desired print by heating elements on the recording medium fed by the feeder
Data Source
AI summary
This is disclosed a printer comprising a visual confirmation window, a first coordination control portion, and a second coordination control portion. The visual confirmation window is for visually confirming a recording medium with print taken up by a take-up body from an exterior of a housing. The first coordination control portion controls a feeding motor, a take-up motor, and heating elements in coordination so as to form a predetermined test pattern on the recording medium prior to the start of production of a printed matter. The second coordination control portion controls the feeding motor and the take-up motor in coordination so that, after formation of the test pattern, the test pattern formed on the recording medium arrives and stops near the visual confirmation window.