Multi-Toner Replenishment Layout With Pumped Flexible Tubes
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Solution Overview
Problem
Existing image forming apparatuses face challenges in efficiently replenishing multiple toner colors while maintaining user-friendly usability and simplifying internal components.
Innovation Solution
The image forming apparatus is designed with two toner containers aligned in perpendicular directions, allowing for detachable attachment, and a toner replenishing unit that uses a pump to convey toner through flexible tubes to developing units, simplifying the conveyance mechanism and reducing pressure loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple toner containers are arranged in different directions, then toner replenishment efficiency is improved, but device complexity increases
Solution Approach 1:
The patent applies dimensional arrangement by positioning toner containers in different spatial orientations (first toner container in first direction, second toner container in second direction intersecting the first direction). This multi-dimensional layout enables simultaneous access to multiple toner containers from the same user access direction, improving replenishment efficiency without requiring complex mechanical conveyance systems.
2Ease of operation
If toner containers are arranged for simultaneous access, then usability is improved, but internal space requirements increase
Solution Approach 1:
The patent utilizes spatial dimensioning by arranging toner containers in different directions (first direction and second direction intersecting at approximately 90 degrees) while maintaining user accessibility from the same direction. This dimensional arrangement allows simultaneous access to multiple containers without requiring excessive linear space, as containers are distributed across different spatial dimensions rather than sequentially along a single axis.
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 configuration ensures efficient toner replenishment across multiple colors with reduced component complexity, enhancing usability by allowing access to both toner cartridges and media from the same direction, and simplifying the apparatus structure.
Implementation Method 1
a toner replenishing unit that uses a pump to convey toner through flexible tubes to developing units
Data Source
AI summary
An image forming apparatus includes a first developing unit that is disposed above a first toner container and a second toner container, a second developing unit that is aligned with the first developing unit in a second direction intersecting a first direction and the direction of gravity and is disposed above the first toner container and the second toner container, a first path through which first toner passes, and a second path through which second toner passes, and is characterized in that the first developer container is replenished with the first toner from the first toner container through the first path, and the second developer container is replenished with the second toner from the second toner container through the second path.