Device Management Program for Communication Error Diagnosis
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Solution Overview
Problem
Existing network-connected device management systems fail to accurately distinguish between communication errors caused by the computer-access point connection and those caused by the printing device's connection state, leading to unclear error notifications for users.
Innovation Solution
A device management program that stores access point and device information, periodically checks communication states, acquires and compares access point information when an error is detected, and notifies users based on the communication state, allowing for precise identification of error causes and necessary actions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If communication error notification is performed without discriminating error causes, then error notification is provided to users, but users cannot distinguish between access point connection failures and device connection failures
Solution Approach 1:
The communication error notification is segmented into distinct types based on the error cause. The system divides the single notification into at least two categories: one for access point connection failures and another for device connection failures. This segmentation allows users to understand the specific error cause while maintaining a manageable notification system.
Solution Approach 2:
The communication state checking system acts as an intermediary between the communication components (access point and device) and the user. It mediates the error information by checking communication states, determining error causes, and presenting differentiated notifications to users. This intermediary function enables clear error discrimination without requiring users to directly analyze complex communication states.
2Reliability
If communication state checking is performed periodically, then communication errors are detected, but the specific cause of communication errors cannot be identified
Solution Approach 1:
The error identification process is made dynamic by adjusting the checking behavior based on the determined error cause. When a communication error is detected, the system dynamically checks the access point connection state first, and based on that result, either identifies it as an access point failure or proceeds to check device connection state. This dynamic adaptation enables precise error cause identification while maintaining reliable error detection through periodic checking.
Data Source
AI summary
A device management program causes a terminal device to function as a storing unit configured to store first access point information concerning a first access point and first device information, which is device information concerning a connected device, in correlation with each other in advance, a communication-state confirming unit configured to confirm a communication state at predetermined timing, an access-point-information acquiring unit configured to, when the communication state is a communication error state, acquire second access point information concerning a second access point that is in the communication error state, a determining unit configured to determine whether the second access point information and the first access point information coincide, a communication-state-information acquiring unit configured to acquire information concerning a communication state with the device when the second access point information and the first access point information coincide, and a communication-state notifying unit configured to perform a notification, which is a notification of the information concerning the communication state with the device.