Image Defect Inspection Control With User-Triggered Diagnosis
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Solution Overview
Problem
Existing systems for detecting print defects in image forming apparatuses lack the ability to selectively execute image diagnosis based on user instructions, leading to unnecessary processing when the same defects are consecutively generated.
Innovation Solution
An inspection apparatus that includes a display control unit to instruct image diagnosis based on user input and a setting unit to selectively execute image diagnosis based on the type of image defect detected, allowing users to choose when to perform image diagnosis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If image diagnosis processing is always started when the same image defects are consecutively generated a predetermined number of times or more, then the defect factor can be identified, but unnecessary processing occurs and efficiency is reduced
Solution Approach 1:
The system dynamically adjusts the execution of image diagnosis processing based on defect patterns. When the same image defects are consecutively generated a predetermined number of times or more, the system determines whether to execute image diagnosis processing based on the specific defect pattern, rather than always executing it. This dynamic adjustment resolves the contradiction by making the processing adaptive to actual defect situations.
2Measurement precision
If image diagnosis processing is always executed for consecutive defects, then comprehensive defect analysis is performed, but user control over processing execution is eliminated
Solution Approach 1:
The system provides feedback to users about detected defect patterns and allows users to determine whether to execute image diagnosis processing. The display control unit displays information about consecutive image defects, and the system waits for user input before proceeding with image diagnosis processing. This feedback mechanism resolves the contradiction by giving users control while still providing comprehensive analysis when needed.
3Productivity
If image diagnosis processing is selectively executed based on defect type, then processing efficiency is improved, but the system complexity increases
Solution Approach 1:
The system changes the parameter of processing execution based on defect pattern parameters. Specifically, it monitors the number of consecutive defects of the same type and only triggers image diagnosis processing when this threshold is met and user confirmation is received. This parameter-based control resolves the contradiction by adding selective logic without requiring complex system architecture changes.
Data Source
AI summary
On the basis of determination by image inspection that an image defect is generated and a predetermined condition being satisfied, an instruction unit for issuing an image diagnosis instruction is displayed on a screen of an inspection result, and image diagnosis is executed in response to an operation on the instruction unit.