Test Chart Printing with Automatic Backing Sheet Provision
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Solution Overview
Problem
Current methods for printing test charts face issues with providing adequate backing during measurement, such as the need for white-backing boards or additional sheets, which can lead to inconvenience, communication errors, and incorrect media usage, especially when measuring larger sheets or remotely.
Innovation Solution
The method involves establishing a test chart job type, determining the necessary number of empty sheets with matching media properties, and automatically depositing them in the output holder alongside the printed test chart, ensuring correct and convenient self-backing for measurement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If white-backing board is used for measurement, then measurement accuracy is improved, but device complexity and space requirements increase
Solution Approach 1:
The printing system automatically provides backing sheets as part of the print job output. The system determines the required number of backing sheets based on media properties and automatically deposits them in the output holder, eliminating the need for separate white-backing boards or manual intervention to provide backing during measurement.
Solution Approach 2:
The invention combines the test chart printing function with the backing sheet provision function into a single integrated process. The print engine produces both the test chart and the backing sheets as part of the same job, eliminating the need for separate measurement equipment like white-backing boards.
2Measurement precision
If additional empty sheets are manually added for self-backing, then measurement accuracy is improved, but ease of operation deteriorates
Solution Approach 1:
The printing system automatically determines the required number of backing sheets based on media properties and automatically deposits them in the output holder. This eliminates the need for manual intervention to add backing sheets, making the system self-sufficient and improving ease of operation.
Solution Approach 2:
The system performs preliminary determination of the required number of backing sheets during the print job setup phase. The print controller calculates the appropriate quantity based on media properties before printing begins, ensuring that the correct number of backing sheets are automatically provided without requiring user intervention during the measurement process.
3Measurement precision
If print job data is edited to add empty pages, then self-backing is achieved, but reliability deteriorates due to communication errors
Solution Approach 1:
The printing system independently determines and provides the required backing sheets as part of the print job output. This eliminates the need for external editing of print job data, ensuring that the backing sheets are correctly identified and provided without risking communication errors between different systems or users.
Solution Approach 2:
The print controller acts as an intermediary that automatically determines the required number of backing sheets based on media properties and incorporates them into the print job output. This internal mediation process eliminates the need for external data editing and ensures reliable, error-free operation.
4Adaptability or versatility
If larger sheets are measured, then measurement capability is improved, but ease of operation worsens due to cutting requirements
Solution Approach 1:
The printing system automatically provides the correct number of backing sheets based on the media properties of the test chart being printed. This self-service approach ensures that backing sheets are always available in the correct quantity and type, eliminating the need for manual intervention or cutting of larger sheets to fit measurement equipment.
Data Source
AI summary
A printing system and a method for printing a test chart by the printing system having a media input holder, a media output holder, a print engine and a print controller. The method includes receiving print data of a print job to be printed by the printing system, establishing a job type of the print job, upon establishing the job type to be a test chart type, establishing media properties of the print job, determining a first amount of empty sheets for the test chart which sheets have the established media properties and are suitable to serve as backing sheets for the test chart in a further analysis of the test chart when printed, the print engine producing the test chart by printing the print data of the print job on a sheet having the established media properties transported from the media input holder to the print engine, receiving the printed sheet in the media output holder, and automatically depositing the determined first amount of empty sheets before or after the printed sheet in the same media output holder, wherein the first amount of empty sheets is automatically transported from the media input holder to the media output holder.