Printing Apparatus Temperature Regulation for Print Quality
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Solution Overview
Problem
Existing printing technologies face challenges in maintaining the temperature of intermediate transfer members, leading to variations in print quality due to ambient temperature, ink droplet amount, and heat absorption differences, which are not effectively controlled.
Innovation Solution
A printing apparatus with temperature regulation units and measurement units along the conveyance direction of the print medium, controlled by a unit that adjusts temperature regulation based on real-time measurements to maintain optimal temperature across the width of the medium.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If temperature regulation units are added to control the intermediate transfer member temperature, then print quality is improved, but device complexity increases
Solution Approach 1:
The temperature regulation system is divided into multiple temperature regulation units arranged in the widthwise direction of the intermediate transfer member. Each unit independently regulates temperature in its specific region, allowing localized control without requiring a completely separate regulation system for each area, thus managing complexity through modular segmentation.
Solution Approach 2:
Different regions of the intermediate transfer member receive different temperature regulation based on their specific thermal characteristics and printing requirements. The temperature regulation units are configured to address local temperature variations caused by ambient temperature differences, ink droplet distribution, and heat absorption variations across the width of the transfer member.
2Stability of the object's composition
If multiple temperature regulation units are used to control temperature across the width of the print medium, then temperature uniformity is improved, but manufacturing cost increases
Solution Approach 1:
The temperature regulation system is segmented into multiple independent units that can be manufactured and assembled separately. This modular approach allows for standardized production of individual regulation units, reducing overall manufacturing complexity and cost compared to creating a single complex unified system.
Solution Approach 2:
The temperature regulation units utilize adjustable thermal parameters such as heating power and regulation intensity to achieve uniform temperature distribution. By controlling thermal parameters rather than requiring complex mechanical adjustments, the system reduces manufacturing costs while maintaining temperature uniformity.
3Temperature
If real-time temperature measurement and control is implemented, then temperature stability is improved, but energy consumption increases
Solution Approach 1:
Temperature measurement units provide real-time feedback on the thermal state of the intermediate transfer member, allowing the temperature regulation units to adjust their operation dynamically. This feedback mechanism enables the system to maintain temperature stability while minimizing energy consumption by activating regulation only when and where temperature deviations occur.
Solution Approach 2:
The temperature regulation operates in periodic cycles based on measured temperature deviations rather than continuous operation. The system monitors temperature and activates regulation units only when temperature stability requires intervention, reducing overall energy consumption while maintaining adequate temperature control.
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
This solution stabilizes the temperature of the transfer member, enhancing print quality by minimizing temperature fluctuations and ensuring consistent ink transfer, thereby improving the reliability and precision of the printing process.
Implementation Method 1
a plurality of temperature regulation units juxtaposed in a conveyance direction of the target print medium and each configured to regulate a temperature of the target print medium
Implementation Method 2
a plurality of measurement units each configured to measure the temperature of the target print medium regulated by each temperature regulation unit
Data Source
AI summary
A printing apparatus, which applies ink to a target print medium to form an image by a print unit, includes a plurality of temperature regulation units juxtaposed in a conveyance direction of the target print medium and each configured to regulate a temperature of the target print medium, a plurality of measurement units each configured to measure the temperature of the target print medium, and a control unit configured to make a temperature regulation capability of each temperature regulation unit variable, wherein each temperature regulation unit regulates temperature in a widthwise direction of the target print medium, each measurement unit measures the temperature in the widthwise direction of the target print medium, and the control unit controls the plurality of temperature regulation units based on the measured temperatures.