Color Container Mounting Check Using Tag Plate and Actuator
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Solution Overview
Problem
Incompatible color material containers can be unintentionally attached to image forming apparatuses, leading to inconvenience and potential malfunction or degraded image quality.
Innovation Solution
The image forming apparatus includes a container with an IC tag storing color material information, a mounting portion with a tray and holder for the tag plate, and an actuator that presses a switch based on the tag plate's shape to ensure compatibility, preventing the attachment of non-compatible containers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the container is made detachable for easy replacement, then the ease of operation is improved, but the risk of attaching incompatible containers increases
Solution Approach 1:
The patent introduces an intermediary verification system consisting of a tag plate with IC tag on the container and a reader on the mounting portion. This intermediary automatically checks compatibility before allowing attachment, resolving the contradiction by maintaining easy detachable operation while preventing incompatible containers from being mounted through automatic verification.
Solution Approach 2:
The compatibility verification is performed in advance before the container is fully attached. The tag plate is read during the mounting process, and the system determines compatibility before completing the attachment, preventing incompatible containers from being installed while maintaining easy replacement operations.
2Reliability
If a compatibility verification system is added, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The verification function is extracted as a separate, independent component (tag plate with IC tag) that can be easily added to the container without redesigning the entire system. The reader is integrated into the mounting portion, separating the verification function from the main image forming mechanism, thus minimizing added complexity.
Solution Approach 2:
The mounting portion serves multiple functions: it mechanically holds the container, verifies compatibility through the reader, and controls the switching mechanism. This multi-functionality reduces the need for separate dedicated verification hardware, minimizing the increase in device complexity while maintaining reliability.
3Reliability
If the switch mechanism is added to control printing, then the reliability is improved, but the ease of operation worsens
Solution Approach 1:
The system performs automatic compatibility verification and switching control without requiring user intervention. The reader automatically reads the tag plate, determines compatibility, and the switching mechanism automatically prevents printing with incompatible containers, eliminating the need for manual verification steps and maintaining ease of operation.
Solution Approach 2:
The system provides automatic feedback through the switching mechanism based on compatibility verification results. When an incompatible container is detected, the switching mechanism automatically prevents printing operations, providing immediate feedback to the user without requiring additional操作步骤, thus maintaining ease of operation while ensuring reliability.
Data Source
AI summary
An image forming apparatus includes a container, a mounting portion, and an image forming portion, the container including a tag plate, the mounting portion including a tray, a holder, a switch, and an actuator. The tag plate includes a first section formed in a shape that corresponds to one of a plurality of different shapes determined in advance as options for a shape of the actuator. When the tray is inserted, if the first section of the tag plate having been entered into the holder has a shape that corresponds to the shape of the actuator, the actuator is pressed in an insertion direction by the first section.