Single Moveable Feeder Unit for Multi-Tray Media Retrieval
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Solution Overview
Problem
Existing multi-function devices with multiple feeder units for different trays increase assembly complexity, maintenance costs, and paper jamming issues due to the presence of multiple feeder units.
Innovation Solution
A single moveable feeder unit that can traverse across multiple trays, positioning itself proximate to the target tray for media sheet retrieval based on user input, reducing the number of parts and simplifying assembly and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple feeder units are used for different trays, then each tray can independently retrieve media sheets, but the device complexity and number of parts increase
Solution Approach 1:
A single feeder unit is designed to perform the function of multiple feeder units by moving to different positions corresponding to different trays. The feeder unit can retrieve media sheets from any tray by positioning itself at the appropriate location, making it a universal component that replaces multiple dedicated feeder units.
Solution Approach 2:
The feeder unit is made movable rather than fixed, allowing it to dynamically reposition itself to access different trays. This dynamic capability enables one feeder unit to serve multiple trays that were previously required to have separate fixed feeder units.
2Productivity
If multiple feeder units are used for different trays, then each tray has dedicated retrieval capability, but assembly time and maintenance costs increase
Solution Approach 1:
Multiple separate feeder units are merged into a single feeder unit that can access multiple trays. This consolidation reduces the total number of components that need to be assembled, thereby reducing assembly time and manufacturing complexity while maintaining the capability to retrieve media from all trays.
3Productivity
If multiple feeder units are used for different trays, then each tray has dedicated retrieval capability, but paper jamming issues increase
Solution Approach 1:
By removing the redundant feeder units and keeping only one movable feeder unit, the potential sources of paper jamming are reduced. Fewer feeder units mean fewer points where paper can get stuck, thereby reducing paper jamming issues while the movable design ensures complete paper paths are maintained.
4Productivity
If multiple feeder units are used for different trays, then each tray has dedicated retrieval capability, but maintenance costs increase
Solution Approach 1:
Multiple feeder units are consolidated into one movable feeder unit, reducing the number of components that require maintenance. This merger decreases maintenance costs and simplifies repair operations while the movable design ensures that the single feeder unit can access all trays for media retrieval.
Data Source
AI summary
The present disclosure discloses a moveable feeder assembly/unit for multi-function devices and corresponding retrieval and printing methods. Here, a multi-function device is disclosed. The multi-function device includes multiple trays. Each tray is configured to receive or store one or more media sheets, and further is positioned at a respective vertical height. The multi-function device further includes a single moveable feeder unit for all trays at the multi-function device. The single moveable feeder unit is configured to move across a plurality of positions to reposition itself proximate to a target tray of multiple trays, selected for printing operation.