Token Expiration Notification for Image Forming Apparatus
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Solution Overview
Problem
Existing information processing apparatuses, such as image forming devices, face challenges in appropriately operating when a token used for OAuth authentication expires, as administrators may not be present to update the token's expiration date, leading to unintended operation or job failures.
Innovation Solution
The apparatus displays a message indicating that the token is about to expire, prompting users to update the expiration date, and allows for both manual and automatic updates, ensuring continuous operation by preventing token expiration delays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If the token expiration date is not updated manually, then the apparatus can operate automatically, but the token may expire causing job failures
Solution Approach 1:
The system performs preliminary action by detecting token expiration dates in advance and displaying notifications to users before the token actually expires. This allows users to update the token during the determination period (within 7 days of expiration) rather than waiting for expiration to occur, thereby maintaining both automatic operation and job execution reliability.
2Reliability
If the system notifies users of token expiration, then token updates can be performed timely, but additional user interaction is required
Solution Approach 1:
The system implements feedback by notifying users of upcoming token expiration through display messages. The notification includes the expiration date and prompts users to update the token within the determination period. This feedback mechanism maintains token validity while providing clear guidance to users, balancing reliability with operational simplicity.
3Ease of operation
If the determination period is set long, then users have more time to update tokens, but the notification period extends unnecessarily
Solution Approach 1:
The system applies parameter changes by setting a specific determination period (7 days) for token expiration notifications. This parameter is configured to provide sufficient user response time while avoiding unnecessarily early notifications. The controller calculates the determination period based on the token expiration date and only notifies users when the remaining validity period falls within this optimized window.
Data Source
AI summary
The present disclosure includes one or more controllers and a display device. The one or more controllers acquire a token from a server. In the case where a period for which the token can be used is within a determination period, a first message indicating that the token expires soon is displayed on the display device.