Print System Material Tracking and Shortage Detection
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Solution Overview
Problem
Existing print systems require operators to manually specify material properties for each job, leading to increased operator workload and error rates, especially in environments with many different types of paper, and lack a comprehensive overview of material availability for upcoming jobs.
Innovation Solution
A print system with a control unit that assesses material requirements for multiple jobs in the queue, indicates shortages, and displays this information to the operator, allowing for proactive material management and reduced operator intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the operator manually specifies material properties for each job, then the system can track material usage accurately, but the operator workload and error rate increase significantly
Solution Approach 1:
The system performs self-monitoring of material properties by automatically detecting and tracking material characteristics without requiring manual operator input for each job. The control system maintains material information and matches it with job requirements autonomously, eliminating the need for operators to repeatedly specify material properties.
Solution Approach 2:
The system provides continuous feedback to the operator about material availability and job requirements through the display unit. This feedback mechanism allows the operator to see at a glance whether sufficient material is available for upcoming jobs, reducing the need for manual verification and specification.
2Loss of information
If the system provides detailed material information for each job sequentially, then material availability can be tracked, but the operator loses overall control and overview of the print queue
Solution Approach 1:
The display unit presents material availability information in a matrix format that adds a temporal dimension to the information display. Instead of showing only current job requirements, the system displays material availability across multiple future jobs simultaneously, giving the operator a comprehensive overview of the entire print queue's material needs in one view.
3Manufacturing precision
If the operator must re-select all material properties each time material is loaded, then the system ensures accurate material specification, but the time required for material loading increases
Solution Approach 1:
The system stores material property information in advance in its memory. When material is loaded into holders, the operator only needs to provide basic identification, and the system automatically retrieves and applies the pre-stored detailed material properties from its database, eliminating the need to re-select all properties repeatedly.
4Device complexity
If the system monitors material for only the current job, then the monitoring process is simple, but the operator cannot proactively prepare for upcoming jobs
Solution Approach 1:
The control system proactively monitors material availability for multiple upcoming jobs in the print queue, not just the current job. This allows the operator to see in advance when material will be needed and prepare accordingly, preventing interruptions and improving overall job completion efficiency.
Data Source
AI summary
A print system including a print engine for printing a receiving material, a plurality of holders, each for holding one type of receiving material and delivering said material for printing to the print engine, a receiver for receiving jobs, a job being an order containing printing information on one or more types of receiving material specified in said order, and a control system for planning jobs, wherein the jobs are placed in a print queue in a sequence of finishing, and the control system is adapted to establish: a) the types of receiving material specified for a set of different jobs in the print queue, b) a shortage of a type of receiving material if there is insufficient receiving material present in the plurality of holders in order to finish a job of the said set, c) an indication of the time when said type of receiving material is no longer present in the plurality of holders, and wherein the print system further comprises a unit for displaying an image adapted to show an operator of the print system the items established under b) and c) by the control system.