Roll-fed printing apparatus dynamic roll preview
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Solution Overview
Problem
Roll-fed printers face inefficiencies due to limitations in resource management and flexibility, particularly in planning and executing the printing of individual images, leading to resource wastage and downtime when errors occur, as existing systems lack real-time control and optimal resource utilization.
Innovation Solution
Implementing a roll managing system that allows for immediate printing of planned images, regardless of printer readiness or medium loading, with dynamic roll preview capabilities for flexible image placement and management, enabling optimal resource use and real-time monitoring of printing status.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If nesting technique is used to arrange multiple individual ripped images in a single larger image to utilize recording medium efficiently, then loss of substance is reduced, but loss of time increases and reliability decreases because the entire larger image must be reprinted if any error occurs
Solution Approach 1:
The patent divides the printing process into independent image segments that can be printed separately rather than as a single nested image. Each ripped image is treated as an independent printable unit, allowing selective reprinting of only failed images without reprinting the entire larger image, thus reducing time loss while maintaining efficient medium utilization through the roll-fed continuous printing process
2Loss of substance
If nesting technique is used to arrange multiple individual ripped images in a single larger image, then loss of substance is reduced, but reliability worsens because problems during printing cannot be isolated and corrected without affecting the entire image set
Solution Approach 1:
The system segments the printing job into individual ripped images that can be independently managed and reprinted. This segmentation allows operators to identify and reprint only the specific images that encountered errors, improving reliability by isolating problems to individual units rather than requiring reprinting of the entire nested image set
Solution Approach 2:
The patent implements a feedback mechanism where the system monitors printing status and provides information about completed and failed images. This feedback allows operators to make informed decisions about which specific images need reprinting, improving the reliability of the printing process by enabling targeted corrections rather than blanket reprints
3Manufacturing precision
If the workstation waits for the roll-fed printing apparatus to be ready and for recording medium to be loaded before submitting ripped images, then manufacturing precision is maintained, but productivity decreases due to waiting time
Solution Approach 1:
The patent allows the workstation to perform preliminary actions of ripping and preparing images for printing without waiting for the printing apparatus to be ready. Images can be pre-processed and queued in advance, and the system coordinates their submission and printing timing, thereby eliminating waiting time and improving productivity while maintaining proper printing readiness through the coordination mechanism
Data Source
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AI summary
Aroll-fed printing apparatus, a raster image processor, a software medium,and a method of controlling a roll-fed printing apparatus. The roll-fed printing apparatus comprisesa print engineand a controller. The controller comprises a roll managing systemfor managing the printing of ripped images on at least one recording medium. Themethod comprisesthe steps ofthe controller receiving a plurality of ripped images from a raster image processor in memory of the roll managing system irrespectively of the presence of the least one recording medium in the roll-fed printing apparatus, for each ripped image the roll managing system establishing an arbitrary position in the plane of the at least one recording medium at which arbitrary position the ripped image is intended to be printed, the controller creating subsequent image swathes for printing the ripped imagesaccording to the established arbitrary positions of the ripped images, the print engine subsequently printing the created subsequent image swathes, while printing the created subsequent image swathes, the roll managing system monitoring a first actual status of printing of the created subsequent image swathes, a second actual status of a timing of the ripped images to be printed and a third actual status of the at least one receiving medium; andthe roll managing system displaying and keeping up- to-date a dynamic roll preview area representing the at least one recording medium, planned ripped images to be printed on the at least one recording medium, ripped images currently being printed on the at least one recording medium and image items representing the monitored first, second and third actual statuses.