Print Server Data Deletion via User Logout and Job Confirmation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In pull-print systems, print data is often deleted from servers without confirming successful printing, leading to inconvenience for users and inefficient data management, as data is either lost if printing fails or occupies server space if not scheduled for printing.
Innovation Solution
An image forming device that detects user login and logout, performs printing, determines print success, and only deletes data from the server after successful printing and user logout, allowing for user confirmation and optimized data storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If print data is deleted from the storage server after a certain period of time, then the server storage capacity is reduced, but the printing becomes impossible if data is deleted before successful printing
Solution Approach 1:
The system implements feedback by monitoring the printing status and only deleting data after successful printing is confirmed. The image forming device notifies the storage server of the printing result, and the server deletes data only upon receiving confirmation of successful printing, ensuring reliability while managing storage capacity.
Solution Approach 2:
The system prepares for potential printing failures by maintaining data on the server until successful printing is confirmed. This preliminary retention of data ensures that even if printing fails for any reason, the data remains available for re-printing, thus maintaining reliability while the server eventually cleans up successfully printed data.
2Ease of operation
If print data is temporarily left in the storage server, then printing convenience is improved, but the server storage capacity decreases due to retained data
Solution Approach 1:
The storage server receives feedback about printing results from the image forming device and automatically deletes data after successful printing. This eliminates the need for manual user intervention to delete data, improving ease of operation while preventing unnecessary data accumulation that would reduce storage capacity.
Solution Approach 2:
The system enables self-service by automatically managing data retention and deletion based on printing status. The storage server autonomously determines when to delete data based on notifications from the image forming device, improving user convenience by removing manual deletion steps while optimizing storage capacity utilization.
3Adaptability or versatility
If a mechanism of allowing a user to delete a document via an operation part is provided, then user control is improved, but the operability is hardly good due to forced user action
Solution Approach 1:
The system implements self-service by automatically deleting data after successful printing without requiring user intervention. The image forming device autonomously notifies the storage server of printing completion, and the server automatically deletes the data, eliminating the need for manual user actions while maintaining user control through the automated process.
Solution Approach 2:
The system uses feedback mechanisms where the image forming device automatically informs the storage server of printing results. This automated feedback loop replaces manual user deletion actions, improving operability by eliminating forced user actions while maintaining adaptability through condition-based automatic deletion.
Data Source
AI summary
The present invention is to provide an image forming device, an image forming system, and an image forming method that provide greater convenience for users and minimize the capacity of print data to be stored in a server. The image forming device notifies a document information management server of “a deletion permitting instruction” of a document only when two conditions, i.e., “a record that a print job has been successfully completed” and “log out of a user”, are acquired. After inputting a print job into the image forming device, a print server notifies the document information management server of “information that a print job has been input to a printer”. The document information management server has a unit that performs a document deleting process only when two pieces of information, i.e., “the deletion permitting instruction” and “the information that a print job has been input to the printer”, are acquired.