Printer Terminal Preview Data Layout Generation
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Solution Overview
Problem
Conventional printing systems face issues where the printed image may differ from the preview image, and the printer is overloaded due to generating preview data, leading to inefficiencies and potential inaccuracies in the printing process.
Innovation Solution
A printing system configuration where the terminal device requests and receives layout data from the printer, allowing it to generate preview image data that accurately represents the printed image, thereby reducing the printer's load and ensuring a precise preview of the printed output.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the printer generates preview image data, then the preview image can be displayed, but the printer becomes overloaded
Solution Approach 1:
The patent extracts the preview image generation function from the printer and relocates it to the terminal device. The terminal device receives layout data from the printer and independently generates the preview image, thereby relieving the printer of this additional processing burden and preventing overload.
Solution Approach 2:
Instead of having the printer generate preview images as in conventional systems, the patent inverts the workflow by having the terminal device generate preview images using layout data provided by the printer. This reversal of roles resolves the contradiction by maintaining preview functionality while protecting printer capacity.
2Ease of operation
If the printer generates preview data, then preview can be provided, but the printed image may differ from the preview image
Solution Approach 1:
The terminal device creates a copy of the layout data received from the printer and uses this copied data to generate the preview image. Since the preview is generated from the same layout data that will be used for actual printing, the preview accurately reflects the final printed output, ensuring consistency between preview and actual print.
3Manufacturing precision
If the terminal device generates preview image data using layout data, then the preview accurately represents the printed image, but additional data transmission is required
Solution Approach 1:
The printer generates and transmits layout data to the terminal device in advance, before the actual printing operation. This preliminary transmission of layout data enables the terminal device to generate an accurate preview without requiring additional data exchanges during the printing process, as all necessary layout information is already available.
Data Source
AI summary
A printing system has a printer and a terminal device. The printer has a first data receiving unit to receive print data and layout data request that requests the terminal device to transmit layout data representing an arrangement of objects, a layout data generating unit to generate the layout data based on the print data, and a second data transmitting unit to transmit the layout data to the terminal device. The terminal device has a first data transmitting unit to transmit the print data and the layout data request to the printer, a second data receiving unit to receive the layout data from the printer, a preview image generating unit to generate preview image data representing a printing result with the use of the layout data, and a display unit to display a preview image represented by the preview image data on a display unit.