Oversized Image Printing Background Data Cut-Off
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Solution Overview
Problem
Printers often face challenges when printing oversized images, as the data area exceeds the maximum printable area, leading to unsatisfactory size reduction or loss of important data when cutting off edges.
Innovation Solution
A method that determines whether data objects exceeding the maximum printable area are background or non-background data, allowing for selective cutting off of background data while maintaining the original image size, or offering the user the option to reduce the image size if necessary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the image size is reduced proportionally to fit within the maximum printable area, then the image fits on the recording medium, but the original size accuracy is lost
Solution Approach 1:
The patent segments the image data into multiple pages, where each page contains a portion of the original image. This allows the full-resolution image to be preserved across multiple pages rather than forcing it into a single reduced-size page, thereby maintaining image size accuracy while fitting within the printable area constraints.
Solution Approach 2:
The patent transitions from a single-page two-dimensional layout to a multi-page three-dimensional structure. By distributing the image across multiple pages along the dimension of page sequence, the system preserves the original image dimensions on each page while accommodating the total image content within the physical printable area limits.
2Area of stationary object
If the image is shifted to fit within the printable area with cutting off edges, then the image fits on the recording medium, but important data is lost
Solution Approach 1:
The patent divides the oversized image into multiple pages, with each page containing a specific portion of the image data. This segmentation ensures that all image data is preserved across the multiple pages rather than being cut off, as each page is designed to fit within the printable area while collectively representing the complete image.
Solution Approach 2:
The patent creates multiple page copies or segments of the original image, where each page is a valid representation that fits within the printable area. Rather than modifying or truncating the original image, the system generates multiple copies/segments that together preserve all original image information.
3Ease of operation
If manual determination is required for size reduction, then user control is provided, but operation complexity increases
Solution Approach 1:
The patent implements automatic detection and segmentation logic that operates without requiring user intervention. The system automatically determines when an image exceeds the printable area, calculates the appropriate segmentation, and generates multiple pages accordingly. This self-service approach eliminates the need for manual user decisions while maintaining ease of operation.
Solution Approach 2:
The patent incorporates automatic feedback mechanisms where the system monitors image dimensions against printable area constraints and automatically adjusts the output format. This feedback loop eliminates the need for manual determination by having the system self-correct based on the detected conditions.
Data Source
AI summary
A method implemented in a printer controller for printing oversized image data is described. During printing, a process is executed to determine whether the data to be printed have a page data size that exceeds the maximum printable area for the specified recording medium. The page data size of a given page is the total extent (width and height) of the data objects on the page. If the page data size exceeds the maximum printable area, the process determines whether the portions of the image that exceeds the maximum printable area are background data. If they are, a portion of the background data that exceeds the maximum printable area are cut off, and the document is printed without reducing the size of the non-background data. The method can also be implemented on a print driver.