Automatic Sheet Type Detection for Image Forming Print Adjustment
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Solution Overview
Problem
Existing image forming technologies require manual user intervention to set print adjustment parameters based on sheet type, making it difficult to achieve optimal print quality.
Innovation Solution
An image forming apparatus that automatically identifies sheet characteristics using sensors and adjusts print parameters accordingly, creating new sheet type information based on detected characteristics and existing data to reduce user workload.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual setting of print adjustment parameters is required, then users can precisely control print settings, but user workload increases and setup time is extended
Solution Approach 1:
The image forming apparatus automatically detects sheet characteristics and determines appropriate print adjustment parameters without user intervention. The system performs self-service by autonomously identifying sheet type through detection units and selecting optimal parameters from stored data, eliminating the need for manual parameter setting while maintaining precision.
Solution Approach 2:
Print adjustment parameters for various sheet types are pre-prepared and stored in the apparatus before actual printing occurs. When a sheet is fed, the system quickly matches detected characteristics against pre-stored parameter sets, enabling rapid parameter selection without time-consuming manual configuration while preserving precise control.
2Adaptability or versatility
If multiple sheet types are supported with customized parameters, then print quality for various sheets is improved, but system complexity increases
Solution Approach 1:
The system segments sheet characteristics into distinct detectable properties (such as thickness, weight, material type) and associates each segment with specific parameter adjustments. This segmentation allows the apparatus to handle diverse sheet types by breaking down complex sheet variations into manageable characteristic components, each with corresponding pre-prepared parameter sets.
Solution Approach 2:
The image forming apparatus employs a universal parameter management system that handles multiple sheet types through a single integrated detection and selection mechanism. The detection units and parameter storage system serve multiple functions by accommodating various sheet characteristics and automatically selecting appropriate parameters, reducing the need for separate manual configuration processes for each sheet type.
3Ease of operation
If automatic sheet characteristic detection is implemented, then user workload is reduced, but detection precision requirements increase
Solution Approach 1:
The system incorporates detection units that continuously monitor sheet characteristics during feeding and conveyance, providing real-time feedback to the control unit. This feedback mechanism enables the apparatus to automatically adjust parameter selection based on detected sheet properties, reducing user workload while maintaining detection precision through iterative measurement and verification.
Solution Approach 2:
The apparatus performs preliminary detection of sheet characteristics during the feeding and conveyance phases before actual printing begins. By detecting and identifying sheet type in advance, the system has sufficient time to analyze characteristics and select appropriate parameters automatically, reducing the need for high-speed real-time detection while maintaining overall precision.
Data Source
AI summary
An image forming apparatus selects, from already-existing media, a medium with a characteristic similar to a characteristic of a sheet included in a sheet type detection result. The image forming apparatus creates a new user defined medium by combining details of the characteristic of the sheet included in the sheet type detection result and a print adjustment value set to the selected medium.