Inkjet Tank Notification Controller for Air Entry Prevention
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Solution Overview
Problem
Conventional inkjet recording apparatuses lack effective notification and refilling mechanisms for ink chambers, leading to potential air entry and print quality issues due to insufficient ink levels, which are not adequately addressed by existing technologies.
Innovation Solution
An inkjet recording apparatus with a tank system that includes an injection inlet, a recording head, a cover, a monitor, a cover sensor, and a controller, which controls the recording head and monitor to display notifications based on ink levels, ensuring timely refilling and preventing air entry into the ink flow path.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional inkjet recording apparatuses use ink chambers without effective notification mechanisms, then the device complexity is reduced, but print quality deteriorates due to air entry from insufficient ink levels
Solution Approach 1:
The notification mechanism provides advance warning to users about low ink levels before air enters the ink flow path. The controller monitors ink levels and displays notifications on the operation panel or sends notifications to external devices, allowing users to refill ink chambers proactively and maintain print quality without waiting for actual air entry problems
Solution Approach 2:
The system implements continuous feedback by monitoring ink levels in real-time and providing status information to users through multiple channels (operation panel display, external device notifications). This feedback loop enables users to understand the current ink status and take appropriate actions to maintain reliable printing operations
2Reliability
If ink chambers are monitored continuously for low ink levels, then print quality is maintained, but energy consumption increases
Solution Approach 1:
Instead of continuous monitoring that would consume constant energy, the system uses periodic monitoring where the controller checks ink levels at regular intervals or at specific operational moments. This periodic approach maintains adequate monitoring for print quality while significantly reducing energy consumption compared to continuous real-time monitoring
Solution Approach 2:
The ink level monitoring system is integrated into the existing controller and operation panel infrastructure, utilizing already-present sensors and display mechanisms. This self-service approach allows the monitoring function to be added without requiring separate dedicated energy-consuming components, thereby maintaining print quality with minimal additional energy expenditure
Data Source
AI summary
An inkjet recording apparatus includes a tank forming an ink chamber and including an injection inlet, a recording head, a cover, a monitor, a cover sensor, an operation panel, and a controller. The controller controls operation of the recording head and the monitor. The controller performs decision processing deciding whether ink injection into the ink chamber after complement of an initial process is completed, and counts an amount of ink discharged from the recording head. The controller controls the monitor to display notification depending on the decision processing and the counted amount of discharged ink.