Image Former Foil Pressing Test Modes
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Solution Overview
Problem
Conventional image forming systems incur high foil consumption and waste during test printing, as they do not efficiently minimize foil usage, especially when users need to check specific aspects like foil adhesion or position alignment, which can vary between users.
Innovation Solution
An image forming system with a controller that selectively sets a first test print mode with normal foil consumption and a second test print mode with reduced foil consumption, allowing for targeted foil application only to specific regions, thereby minimizing waste and optimizing foil usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional test printing is performed with full foil application, then complete foil pressing functionality can be tested, but foil consumption increases and waste is generated
Solution Approach 1:
The patent divides the paper sheet into multiple regions (first region and second region) with different foil pressing treatments. The first region receives normal foil pressing while the second region receives reduced or no foil pressing, allowing comprehensive testing of different foil pressing conditions on a single sheet and reducing overall foil consumption.
Solution Approach 2:
The patent applies different foil pressing qualities to different regions of the paper sheet. The first region undergoes complete foil pressing with normal adhesion, while the second region undergoes reduced foil pressing with minimal or no adhesion, enabling localized testing of foil pressing functionality without wasting foil on areas that don't require full treatment.
2Measurement precision
If users perform comprehensive test printing to check various aspects (foil adhesion, position alignment), then testing accuracy improves, but foil consumption increases
Solution Approach 1:
The patent segments the testing process into different regional tests on a single paper sheet. The first region tests normal foil pressing adhesion while the second region tests reduced or no foil pressing conditions, allowing users to comprehensively evaluate different foil pressing scenarios without requiring multiple separate test prints, thereby reducing overall foil consumption while maintaining testing accuracy.
Solution Approach 2:
The patent applies partial foil pressing action to the second region, where foil is applied but with reduced adhesion or no adhesion. This partial action allows testing of foil positioning and alignment without the full cost of complete foil adhesion, enabling comprehensive testing with reduced material consumption.
3Stability of the object's composition
If normal foil pressing is applied throughout the paper sheet, then consistent foil adhesion is achieved, but foil cost increases
Solution Approach 1:
The patent applies different foil pressing qualities to different regions: the first region receives normal foil pressing for consistent adhesion where required, while the second region receives reduced or no foil pressing to minimize foil cost where full adhesion is not necessary. This localized approach maintains adhesion consistency where needed while reducing overall foil consumption and cost.
Solution Approach 2:
The patent segments the paper sheet into regions with different foil pressing requirements, allowing consistent foil adhesion to be achieved only in the first region where it is necessary, while the second region uses reduced or no foil pressing, thereby maintaining necessary adhesion consistency while reducing overall foil cost.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system achieves low-cost test printing with minimized foil consumption by allowing selective foil application, reducing waste and optimizing the use of expensive foil materials.
Implementation Method 1
a foil pressing toner functioning as the adhesive for the foil is applied to the portion of the printed paper sheet on which foil pressing is to be performed, and the foil is brought into contact with the entire paper sheet. Heat is then applied, so that the foil is pressed onto the paper sheet. As a result, the foil adheres to the portion to which the toner has been applied on the paper sheet
Implementation Method 2
Heat is then applied, so that the foil is pressed onto the paper sheet
Data Source
AI summary
An image forming system includes: an image former that performs an image forming process on a paper sheet, the image forming process including foil pressing, and a controller that controls the image former to perform the image forming process by selectively setting one of a first test print mode and a second test print mode when a test print mode is set, an amount of foil consumption at the image former being normal in the first test print mode, an amount of foil consumption at the image former being reduced in the second test print mode.