Printout Apparatus Authentication Data Handling
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Solution Overview
Problem
Standard printing software often lacks the capability to input complete authentication information required for extensible authentication, leading to failed user authentication and incomplete print job execution in multi-functional peripherals (MFPs).
Innovation Solution
The MFP system receives and registers authentication information from an external terminal, acquiring transmission-source and client user identification information to verify authentication data, allowing for successful user authentication and print job execution even when standard printing software is used.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If standard printing software is used for authentication, then ease of operation is improved, but authentication reliability deteriorates due to incomplete authentication information
Solution Approach 1:
The system performs preliminary authentication information collection by acquiring transmission-source user identification information when receiving authentication information from the external terminal, and storing it in advance. This preliminary action ensures that complete authentication data is available even when standard printing software is used, resolving the contradiction between ease of operation and authentication reliability
Solution Approach 2:
The printout apparatus acts as an intermediary that collects, stores, and manages authentication information independently of the external terminal's software capabilities. By mediating the authentication process and using stored identification information to match print jobs with authenticated users, the system enables reliable authentication while maintaining compatibility with simple standard printing software
2Reliability
If extensible authentication with multiple information items is implemented, then authentication reliability is improved, but device complexity increases
Solution Approach 1:
The system extracts and separates the authentication information management function from the external terminal, concentrating it in the printout apparatus. By taking out the complex authentication data collection and matching processes from the terminal side and implementing them in the printout apparatus, the system achieves reliable extensible authentication while keeping the external terminal simple
Solution Approach 2:
The printout apparatus performs self-service by automatically collecting transmission-source user identification information, storing it in its own storage unit, and independently matching it with client user identification information from print jobs. This self-service capability enables robust authentication without requiring complex software on external terminals
3Adaptability or versatility
If authentication information is collected at different times from print job reception, then adaptability is improved, but loss of information increases due to timing mismatches
Solution Approach 1:
The system performs preliminary collection and storage of transmission-source user identification information when authentication information is received from the external terminal, even before the print job is submitted. This preliminary action creates a temporal buffer that preserves authentication data across different timing scenarios, enabling adaptability without information loss
Solution Approach 2:
The system uses feedback by comparing the stored transmission-source user identification information with the client user identification information from the print job. This feedback mechanism ensures that even when authentication information and print jobs are received at different times, the system can correctly match and validate the authentication data
Data Source
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AI summary
An external terminal transmits a print job to a printout apparatus and also transmits authentication information required for user authentication in printing that involves authentication to the printout apparatus at one time or a plurality of times and at a different time from the transmission of the print job. The printout apparatus identifies the authentication information received from the external terminal as information to be used for the user authentication when a transmission source user of the authentication information and a client user of the print job are determined to be the same on the basis of transmission-source user identification information for identifying the transmission source user and client user identification information for identifying the client user.