Print Inspection Control for Selective Reprint and Waste Reduction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing systems increase the amount of waste paper and toner usage when continuous printing is resumed from a failed printed material, leading to inefficiencies and increased resource consumption.
Innovation Solution
The system stops continuous printing upon detecting a failed printed material, reprints only the failed material, and resumes printing for subsequent materials after successful inspection, using test and retest printings to identify and correct issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If continuous printing is resumed from a failed printed material, then printing productivity is maintained, but the amount of discarded paper and toner increases
Solution Approach 1:
The patent segments the continuous printing process into individual printable units (e.g., individual sheets or sections). When a defect is detected in one unit, only that specific unit is stopped and reprinted, while other units continue printing. This segmentation allows selective reprinting rather than stopping the entire continuous printing process, thereby maintaining overall productivity while minimizing waste of paper and toner.
2Reliability
If all printed materials following a failed material are reprinted, then printing quality is ensured, but resource consumption increases
Solution Approach 1:
The patent applies local quality control by detecting defects at specific locations in the printed material and applying corrective actions only to those local areas. The inspection system identifies the precise location of defects, and the system selectively reprints only the affected local regions rather than the entire printed batch. This approach ensures printing quality is maintained in defective areas while avoiding unnecessary reprinting and resource consumption in areas that are already acceptable.
3Productivity
If continuous printing is performed without interruption, then productivity is high, but defect propagation increases waste
Solution Approach 1:
The patent implements a feedback mechanism where the inspection system continuously monitors printed materials during the printing process. When a defect is detected, this information is fed back to the printing system, which then adjusts by stopping and reprinting only the specific defective unit. This real-time feedback loop enables the system to maintain high overall productivity through continuous operation while preventing defect propagation by immediately addressing issues as they are detected, thereby minimizing waste.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
An information processing system includes a processor configured to perform continuous printing of plural printed materials while inspecting printing quality, in a case where a printed material having an inspection result of fail is generated, stop the continuous printing of the printed materials and reprint the failed printed material, and in a case where an inspection result of the reprinted printed material is pass, print a subsequent printed material following the passed reprinted material.