Reusable Test Medium Cleaning for Ink Discharge Detection
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Solution Overview
Problem
Existing liquid discharge systems face challenges in accurately determining the discharge state of inkjet nozzles and efficiently reusing test media for pattern detection, leading to potential waste and increased costs.
Innovation Solution
A liquid discharge apparatus and method that uses a reusable medium plate for forming and removing test patterns, incorporating a cleaning mechanism, drying mechanism, and head maintenance mechanism to ensure accurate discharge quality assessment and reduce waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a test recording medium is used for each nozzle test, then the discharge state can be accurately determined, but the cost and waste increase due to single-use media
Solution Approach 1:
The patent implements a cleaning mechanism that removes the test pattern from the medium plate after measurement, allowing the plate to be reused for subsequent nozzle tests. This recovering process eliminates the need to discard the medium plate after single use, thereby reducing waste while maintaining measurement accuracy through repeated use of the same plate.
2Loss of substance
If a reusable medium plate is used for multiple tests, then cost is reduced and waste is minimized, but the plate requires cleaning and maintenance processes
Solution Approach 1:
The patent incorporates a cleaning mechanism that automatically cleans the medium plate after each test without requiring manual intervention. The cleaning mechanism integrates with the testing system, performing self-maintenance functions to prepare the plate for the next test, thereby enabling reusable operation while managing the complexity through automated processes.
3Duration of action of stationary object
If the medium plate is cleaned frequently to enable reuse, then reusability is improved, but the time required for maintenance increases
Solution Approach 1:
The patent implements a cleaning mechanism that operates continuously or in rapid succession after each test, minimizing the interruption time. The cleaning process is integrated into the testing workflow, allowing the medium plate to be prepared for the next test with minimal downtime, thereby maintaining continuous productive action while extending the plate's service life through frequent reuse.
Data Source
AI summary
A liquid discharge apparatus includes a liquid discharge head, a second medium, and a cleaner. The liquid discharge head discharges a liquid on the first medium. The second medium is different from the first medium. The liquid discharge head is dischargeable the liquid onto the second medium to form a test pattern. The cleaner cleans the second medium to remove the test pattern from the second medium.