Print Job Routing via Setup-Based Segmentation
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Solution Overview
Problem
Print production environments face significant processing delays due to variations in job setup characteristics, particularly in continuous feed equipment, leading to inefficient job flows and throughput issues.
Innovation Solution
A method for processing print jobs involves categorizing job sets based on setup characteristics, routing them to specific subsets of resources (autonomous cells) using threshold values determined by simulation methods, to optimize job flow and reduce setup delays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If print jobs are processed in a single pooled queue without segmentation, then resource utilization is simplified, but setup delays increase significantly due to variable setup characteristics across different job types
Solution Approach 1:
The patent segments the single pooled job queue into multiple separate queues based on setup characteristics (e.g., form type, insert type, binding type). Each queue is assigned to specific resources capable of handling those particular setup types, thereby reducing setup delays while maintaining manageable resource organization through systematic categorization.
2Loss of time
If print jobs are segmented into multiple queues based on setup characteristics, then setup delays are reduced, but system complexity increases due to multiple queues and routing logic
Solution Approach 1:
The system performs preliminary classification of print jobs into different queues based on their setup characteristics before processing begins. This advance segmentation allows jobs to be routed to appropriate resources without requiring complex real-time decision-making, thereby reducing setup delays while keeping the routing logic relatively simple and predictable.
3Productivity
If continuous feed equipment operates without interruption, then throughput is maximized, but setup time becomes critical when job characteristics vary
Solution Approach 1:
The patent maintains continuous operation of feed equipment by ensuring that jobs within each queue have compatible setup characteristics. This allows equipment to process jobs continuously without interruption for setup changes, as each resource handles only jobs requiring the same setup configuration, thereby maximizing throughput while minimizing setup time impacts.
4Device complexity
If small jobs are queued behind large jobs in a pooled queue, then queue management is simplified, but small jobs experience significant delays
Solution Approach 1:
The patent segments the pooled queue into multiple queues based on setup characteristics rather than job size. This segmentation allows small jobs to be processed promptly in dedicated queues without being blocked by large jobs in other queues, reducing job delays while maintaining simple queue management through systematic categorization by setup requirements.
Data Source
AI summary
A system and method for routing and processing print jobs within a print job set considers the setup characteristics of each print job. Each print job set may be classified as a first job processing speed set, a second job processing speed set, or another job processing speed set based on the corresponding setup characteristics. First job processing speed sets are routed to a first group of print job processing resources, while second job processing speed sets are routed to a second group of print job processing speed resources. Each resource group may include an autonomous cell.