Alignment Circuit for Colorant Container Insertion Detection
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Solution Overview
Problem
Imaging devices face issues with improper insertion of colorant containers during refill processes, leading to potential spillage of print substances due to lack of effective alignment mechanisms.
Innovation Solution
The implementation of alignment circuits within imaging devices that include detection circuits and controllers to determine the proper insertion of colorant containers by measuring voltage and current across resistive elements, ensuring safe and accurate refill processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If alignment circuits are implemented to detect proper insertion of colorant containers, then the reliability of the refill process is improved, but the device complexity increases
Solution Approach 1:
The patent replaces mechanical alignment mechanisms with an electrical detection system. Instead of using purely mechanical interlocks or physical alignment features, the system uses alignment circuits that apply voltage across resistive elements to detect the presence and proper insertion of colorant containers. This substitution of mechanical systems with electrical sensing mechanisms improves reliability while managing complexity through electronic rather than mechanical solutions.
Solution Approach 2:
The patent introduces alignment circuits as an intermediary detection layer between the user's manual insertion action and the refill process execution. These circuits act as mediators that verify proper insertion before allowing the refill to proceed, preventing premature or incorrect operation. The alignment circuits include resistive elements and detection circuits that sense the electrical characteristics of the inserted container to determine proper alignment.
2Measurement precision
If detection circuits are added to determine colorant container insertion status, then the precision of insertion detection is improved, but the manufacturing cost increases
Solution Approach 1:
The patent utilizes changes in electrical parameters (voltage, current, resistance) to detect insertion status. The alignment circuits apply voltage across resistive elements and measure the resulting electrical characteristics to determine proper insertion. This approach leverages readily available electrical measurement capabilities rather than requiring complex mechanical sensors or expensive specialized detection hardware, thereby achieving precise detection at reasonable manufacturing cost.
Solution Approach 2:
The detection system leverages the colorant container itself as part of the sensing mechanism. The container's physical presence and electrical characteristics (through its contacts and resistive elements) provide the detection signal. This self-service approach eliminates the need for separate complex detection sensors, reducing manufacturing cost while maintaining precision through the container's inherent electrical properties.
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
Prevents inadvertent spillage by ensuring proper alignment and insertion of colorant containers, maintaining the integrity of the refill process and preventing contamination or evaporation of print substances.
Implementation Method 1
measuring voltage and current across resistive elements
Data Source
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AI summary
In some examples an imaging device can include a fill port to receive a colorant container including an alignment circuit, a controller including a processing resource and memory resource including a non-transitory computer-readable instructions executable by the processing resource to detect a presence of a colorant container in a fill port of an imaging device, responsive to detection of the colorant container in the fill port, detect if the colorant container is properly inserted in the fill port, and cause a fill process to initiate responsive to detection that the colorant container is properly inserted.