Printer Label Calibration via Virtual Grid Adjustment
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Solution Overview
Problem
Printers often misalign text and images when printing labels, leading to inefficiencies and waste due to the lack of effective calibration methods, requiring manual adjustments and repeated printing processes.
Innovation Solution
A system and method for calibrating printers using calibration label papers with horizontal and vertical marks, where test images are printed to adjust the virtual label grid coordinates, ensuring accurate alignment of text and images on labels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual adjustment of text and images is performed using label printing software, then alignment accuracy may be improved, but time consumption and operational complexity increase significantly
Solution Approach 1:
The patent performs preliminary calibration by printing test images with marks and comparing them to calibration marks on the label paper before actual label printing. This preliminary alignment measurement establishes the offset values that are automatically applied to subsequent printing operations, eliminating the need for manual adjustment of each label design.
Solution Approach 2:
The system performs self-calibration by automatically measuring the misalignment between printed test marks and calibration marks, calculating the offset values, and applying these corrections automatically. This self-service approach eliminates the need for manual intervention in adjusting text and image positions, thereby reducing time consumption while maintaining alignment accuracy.
2Manufacturing precision
If repeated printing attempts are made to achieve proper alignment, then alignment accuracy may be improved, but label paper waste increases
Solution Approach 1:
The calibration process is performed in advance using test images and calibration marks before actual label printing. By determining the offset values during this preliminary stage, the system ensures that all subsequent label printing operations are pre-adjusted for correct alignment, eliminating the need for repeated printing attempts and preventing label paper waste.
Solution Approach 2:
The system uses feedback from comparing printed test marks with calibration marks on the label paper to determine offset values. This feedback mechanism allows the system to automatically calculate and apply the necessary corrections, ensuring accurate alignment on the first printing attempt without requiring repeated trials that would waste label paper.
3Manufacturing precision
If calibration is performed for each different label type, then alignment accuracy is maintained, but productivity decreases
Solution Approach 1:
The calibration process is performed once per printer-label paper combination and the resulting offset values are stored for universal application. These same offset values are automatically applied to all subsequent label printing operations regardless of the specific label design, text, or images being printed. This universal calibration approach maintains alignment accuracy across different label types while eliminating the need to recalibrate for each new label design, thereby preserving productivity.
4Device complexity
If no calibration process is used, then device complexity is reduced, but alignment precision deteriorates
Solution Approach 1:
The calibration process determines offset values that change the coordinate parameters used for printing. By measuring the actual misalignment between printed test marks and calibration marks, the system calculates correction values that adjust the printing coordinates. This parameter adjustment maintains alignment precision without requiring complex hardware modifications, keeping the overall system relatively simple while achieving accurate alignment.
Data Source
AI summary
Systems and methods are provided for calibrating a printer for printing labels. According to one aspect, calibration label papers are provided to a printer. Each calibration label paper comprises a horizontal calibration mark and a vertical calibration mark. A test image is printed on a calibration label paper, the test image comprising a horizontal printer mark and a vertical printer mark printed parallel to their respective calibration marks. The calibration marks are compared with their respective printer marks. Using a computing device, coordinates of a virtual label grid representing the calibration label paper are adjusted based on the comparison of the marks. A second test image comprising new printer marks is printed, and the calibration marks are compared with the new printer marks. Upon alignment of the printer marks and the calibration marks, the adjusted coordinates of the virtual label grid are saved as default coordinates for the printer.