Sequential Image Adjustment Control for Printer Quality
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Solution Overview
Problem
Current image forming apparatuses require manual and repetitive adjustment operations for multiple settings, leading to inefficiencies and potential inaccuracies in image quality due to the lack of a systematic approach for executing adjustments in a recommended order.
Innovation Solution
An image forming apparatus with an integrated control device and user interface that allows for the sequential execution of adjustment operations based on a predefined order, including automatic detection and correction of image quality defects, toner transfer voltage adjustments, and density uniformity, thereby streamlining the adjustment process and improving accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual adjustment operations are performed for multiple settings, then users can customize image forming parameters, but the workload increases and adjustment accuracy decreases due to repetitive manual operations
Solution Approach 1:
The system performs self-adjustment by automatically executing adjustment operations based on predetermined sequences and detected image quality states, eliminating the need for manual user intervention in the adjustment process while reducing workload and time consumption
Solution Approach 2:
The system automatically changes adjustment parameters (such as toner concentration, development bias voltage, transfer voltage) based on detected image quality metrics, transforming manual parameter setting into automated parameter adjustment based on actual image forming conditions
2Manufacturing precision
If adjustment operations are executed without a systematic order, then flexibility is maintained, but image quality accuracy deteriorates due to lack of coordinated adjustment sequencing
Solution Approach 1:
The adjustment process is divided into discrete adjustment items with predetermined execution sequences, where each adjustment item targets specific image quality parameters and is executed in a controlled order to ensure coordinated optimization without excessive system complexity
Solution Approach 2:
Adjustment sequences are predetermined and prepared in advance based on image quality requirements, allowing the system to execute adjustments in the optimal order without requiring complex real-time decision-making, thus improving accuracy while maintaining manageable control complexity
3Productivity
If multiple adjustment items are executed simultaneously, then adjustment speed increases, but reliability decreases due to interference between concurrent adjustment operations
Solution Approach 1:
Adjustment operations are executed periodically in predetermined sequences rather than simultaneously, with each adjustment item completed before the next begins, ensuring reliable execution while maintaining efficient throughput through structured periodic adjustment cycles
Data Source
AI summary
An image forming apparatus includes:an image forming unit that forms an image on a recording material;an accepting unit that accepts plural adjustment items; andan adjusting unit that sequentially executes adjustment operations concerning the plural adjustment items, based on an adjustment result of the previously executed adjustment item.