Authentication Print Job Management via Threshold-Based List Generation
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Solution Overview
Problem
Conventional image forming devices face challenges in ensuring information security and operability during the authentication print process, particularly in shared network environments, where users cannot easily monitor the status of their authentication print jobs until the printed materials are discharged, leading to potential productivity losses and cumbersome user interfaces.
Innovation Solution
An image forming device equipped with a communication interface, job data holding unit, user authentication unit, job execution unit, job list generating unit, and display unit, which allows users to authenticate and manage authentication print jobs, displaying a list of jobs only when the number of authenticated jobs meets a predetermined threshold, enabling users to select and execute specific jobs directly without needing to log in again.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If user authentication is required to start printout process, then information security is improved, but operability deteriorates due to additional login operations needed
Solution Approach 1:
The system performs user authentication in advance before the printout process starts. Job data is held in a temporarily held state after authentication, and the user can later select and execute specific jobs without needing to log in again. This preliminary authentication resolves the contradiction by establishing security upfront while enabling convenient later operations.
2Reliability
If job data is held in temporarily held state after authentication, then information security is improved, but productivity deteriorates due to waiting time
Solution Approach 1:
Authentication is performed in advance and job data is prepared in a temporarily held state, but the actual printout execution is deferred until the user selects and confirms the jobs. This allows security to be established upfront while minimizing waiting time during the actual printing process.
Solution Approach 2:
The system dynamically manages job data states, transitioning from 'temporarily held' to 'queued' based on user selection. This dynamic state management allows the system to maintain security while efficiently processing jobs only when needed, improving overall productivity.
3Ease of operation
If list of authentication print jobs is displayed after user authentication, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The system automatically generates and displays the list of authentication print jobs after user authentication without requiring additional user input or configuration. This self-service approach improves ease of operation while managing complexity through automated job list generation and management.
Data Source
AI summary
An image forming device for executing an authentication print job including: a communication interface unit for receiving print data; a job data holding unit for holding job data based on the print data for the authentication print job; a user authentication unit for outputting the result of the user authentication to a control unit; a job execution unit for executing a job based on the job data; a job list generating unit for generating a list of the authentication print jobs; a display unit for displaying the list; and the control unit for, in receiving the result of the user authentication, acquiring a number of the authentication print jobs of the user authenticated by the user authentication, wherein, when the number is greater than or equal to a predetermined number, the control unit causes the job list generating unit to generate the list of the authentication print jobs of the authenticated user, the display unit to display the list, and the job execution unit to execute the authentication print job of the authenticated user.