Print Job Page Reduction via Residue Threshold Detection
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Solution Overview
Problem
The wastage of paper and other media due to printing the last page of print jobs, which often contains residue content such as headers, footers, or low-value content, leading to unnecessary resource consumption and costs on a large scale.
Innovation Solution
A method that detects whether the content on the last page of a print job satisfies a residue threshold, and if so, modifies the print job to have one fewer page by removing or reformatting the last page, thereby preserving all content while reducing media usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If the last page of a print job is printed to preserve all content, then content completeness is maintained, but paper wastage increases
Solution Approach 1:
The patent extracts and identifies residue content (headers, footers, low-value content) from the last page of print jobs. By detecting and separating this residue content from the main content, the system can determine when the last page can be omitted without losing meaningful information, thus reducing paper wastage while preserving content completeness.
Solution Approach 2:
The patent introduces a residue threshold parameter to quantify the amount of content on the last page. By comparing the measured residue content against this threshold parameter, the system makes automated decisions about whether to print the last page, optimizing the balance between paper usage and content preservation based on configurable parameters.
2Loss of substance
If print jobs are processed with additional detection and modification steps, then media usage is reduced, but processing complexity increases
Solution Approach 1:
The patent performs residue content detection and print job modification in advance, before the actual printing process. By analyzing the last page content and determining whether it meets the residue threshold during the print preparation phase, the system eliminates unnecessary pages before they are sent to the printer, reducing media consumption without adding complexity to the printing hardware itself.
Solution Approach 2:
The system automatically detects residue content and modifies print jobs without requiring user intervention. The printing device or software autonomously analyzes each print job, applies the residue threshold criterion, and makes decisions about page omission, enabling self-service operation that reduces media consumption while maintaining simple user interaction.
Data Source
AI summary
That content on a last page of a print job having multiple pages satisfies a residue threshold is detected. In response to detecting that the content on the last page satisfies the residue threshold, the print job is modified to have one fewer page. A printing device is caused to print the modified print job.