Image Forming Panel Layout for Faster Static Elimination
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Solution Overview
Problem
Conventional image forming apparatuses face an increased processing time in the static elimination process due to extended light emission times required to expose the entire photoreceptor surface, which is inefficient and affects overall processing efficiency.
Innovation Solution
The image forming apparatus incorporates a static eliminator with a larger area than the image exposure unit, disposed adjacent to the image exposure unit, to efficiently cover the photoreceptor surface used for image formation, reducing the need for prolonged light exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If light emission time is increased to expose the entire photoreceptor surface, then static elimination coverage is improved, but processing time is increased
Solution Approach 1:
The patent divides the light-emitting elements into two distinct functional groups: an image exposure unit for forming images and a static eliminator for eliminating static charges. This segmentation allows each unit to be optimized for its specific function, with the static eliminator having a larger area to cover the entire photoreceptor surface without increasing processing time, as it operates independently during the static elimination phase
Solution Approach 2:
The panel member is designed to perform multiple functions: the image exposure unit forms images while the static eliminator simultaneously or sequentially eliminates static charges across the photoreceptor surface. This multi-functionality allows the system to achieve both image formation and static elimination without requiring separate processing steps that would increase overall processing time
2Reliability
If light emission time is extended to cover the entire photoreceptor surface, then static elimination completeness is improved, but image formation efficiency is reduced
Solution Approach 1:
By segmenting the light-emitting elements into dedicated image exposure units and static eliminators, the system can perform static elimination completeness without compromising image formation efficiency. The static eliminator with its larger area ensures complete coverage while the image exposure units maintain high-resolution image formation capabilities
Solution Approach 2:
The static eliminator can perform static elimination before or during the image formation process, ensuring that the photoreceptor surface is properly prepared without delaying image formation. This preliminary action allows the system to maintain high productivity while ensuring complete static elimination
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 allows for efficient static elimination without increasing processing time, enabling faster image formation and optimizing the use of panel member surfaces by integrating static eliminators and image exposure units on the same panel.
Implementation Method 1
a panel member that faces the photoreceptor, and has a plurality of light-emitting elements
Implementation Method 2
a static eliminator that eliminates static, and the static eliminator has a larger area for exposing the photoreceptor than the image exposure unit
Data Source
AI summary
An image forming apparatus includes a photoreceptor drum, and a panel member that faces a photoreceptor drum, and has a plurality of light-emitting elements. The plurality of light-emitting elements includes an image exposure unit that exposes the photoreceptor drum to form an image, and a static eliminator that eliminates static. The static eliminator has a larger area for exposing the photoreceptor drum than the image exposure unit.