Print Preview Screen Generation for Cloud Printing Systems
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Solution Overview
Problem
Cloud printing services often limit users to viewing only partial print settings through the cloud interface, preventing them from verifying all settings, such as stapled position, due to unilateral information transmission from the cloud server to the user's terminal.
Innovation Solution
A printing system that includes a print output device within a LAN, a first server outside the LAN, and an information terminal, where the print output device generates and transmits display data for a comprehensive print preview screen to the information terminal, allowing it to display all relevant print settings, including those not visible in the cloud interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If cloud server prepares and transmits print preview screen to user terminal, then user can check print settings remotely, but user cannot verify all print setting items (only partial settings are transmitted)
Solution Approach 1:
The patent introduces a mediation mechanism where the print output device generates comprehensive display data including all print settings (not just basic settings), and this detailed information is transmitted to the user terminal through the cloud server. This intermediary process ensures complete information delivery without requiring direct complex communication between all components.
Solution Approach 2:
The system segments information transmission into two stages: first, the cloud server handles basic authentication and job submission; second, the print output device generates and transmits detailed display data for all print settings. This segmentation allows each component to focus on specific tasks while ensuring complete information flow.
2Ease of operation
If cloud interface displays only basic print settings, then interface remains simple and easy to use, but user cannot verify complete print settings (information completeness deteriorates)
Solution Approach 1:
The patent adds a new dimension to information display by providing detailed display data that includes all print settings (staple position, hole punch, folding, etc.) beyond the basic settings shown in the traditional cloud interface. This dimensional expansion of information allows users to verify complete settings while maintaining the familiar interface structure.
3Loss of information
If print output device generates comprehensive display data, then all print settings become visible to user, but data transmission load increases
Solution Approach 1:
The print output device prepares and transmits comprehensive display data including all print settings in advance, before the user needs to verify the settings. This preliminary action ensures complete information availability while allowing efficient data transmission planning and optimization.
Data Source
AI summary
A printing system includes: a print output device arranged inside a predetermined LAN; a first server arranged outside the predetermined LAN; and an information terminal configured to transmit, to the first server, a print request indicating that a print output related to a designated file is to be performed in the print output device, wherein the first server transfers the print request to the print output device when receiving the print request from the information terminal, and the print output device generates display data of a print preview screen based on print setting included in the print request and transmits the display data to the information terminal.