Image Forming Apparatus Paper Feed Tray Setting Control
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Solution Overview
Problem
Existing image forming apparatuses require manual configuration of air flow settings for each paper feed unit, even when the same type of paper sheets are stacked in multiple trays, leading to increased workload and potential differences in settings due to mechanical conditions like clogged filters.
Innovation Solution
An image forming apparatus with a control unit that stores setting values for paper feed units based on paper types, allowing users to input change instructions and automatically update settings across multiple trays, reducing the need for manual configuration and addressing mechanical condition variations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual configuration of air flow settings is performed for each paper feed unit, then setting values can be adjusted for mechanical condition variations, but workload increases and operational efficiency decreases
Solution Approach 1:
The patent merges the setting values of multiple paper feed units into a single unified setting structure. The control unit stores setting values in a centralized manner and automatically applies them to all paper feed units, eliminating the need for manual individual configuration while maintaining consistency across all units.
Solution Approach 2:
The system performs self-configuration through automatic setting value application. When a user inputs setting values once, the control unit automatically updates all paper feed units without requiring manual intervention for each unit, thereby reducing workload while maintaining reliable settings.
2Ease of operation
If preset setting values are used for paper types, then configuration work is reduced, but user-specific adjustments cannot be reflected
Solution Approach 1:
The patent implements dynamic setting value management where preset values for paper types serve as defaults, but users can modify and save custom settings. The system dynamically switches between preset and user-defined settings based on the paper type being used, allowing both ease of configuration and adaptability to specific needs.
Solution Approach 2:
The system allows changing of setting parameters (air flow quantity, wind pressure) based on paper type while enabling users to customize these parameters. The control unit stores both preset and user-modified values, allowing the system to adapt settings dynamically according to the specific paper being processed.
3Reliability
If individual setting values are configured for each paper feed tray, then mechanical condition differences can be addressed, but time consumption increases
Solution Approach 1:
The patent combines the setting configuration process for all paper feed trays into a single operation. The control unit stores setting values centrally and automatically applies them to all trays, reducing configuration time from individual manual settings to a single unified setup while maintaining reliability through consistent settings across all trays.
Solution Approach 2:
The system performs preliminary configuration by establishing setting values in advance that can be automatically applied to all paper feed trays. This preliminary setup eliminates the need for time-consuming individual adjustments during operation, while the system can still adapt to mechanical condition differences through the dynamic setting modification capabilities.
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 solution reduces the workload of changing settings for each paper feed unit and enhances operational efficiency by allowing automatic updating of settings for identical paper types across multiple trays, while also accommodating mechanical condition differences.
Implementation Method 1
a paper feed unit for separating paper sheets stacked in a paper feed tray from each other to carry the paper sheets one by one using air suction force
Implementation Method 2
paper feed units each sucking or discharging air in accordance with setting values corresponding to types of paper sheet
Data Source
AI summary
Disclosed is an image forming apparatus including: a plurality of paper feed trays in which paper sheets are to be stacked; paper feed units each provided to each of the plurality of paper feed trays, the paper feed units sucking or discharging air in accordance with setting values corresponding to types of paper sheet to carry the paper sheets stacked in the respective paper feed trays toward a paper path; a storage unit to store the setting values for the paper feed units according to the types of paper sheet; an input unit to input a change instruction value for changing at least one of the setting values; and a control unit to change the at least one of the setting values stored in the storage unit into the change instruction value and to store the changed at least one of the setting values into the storage unit.