Image Forming Apparatus IP Conflict Resolution
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Solution Overview
Problem
Image forming apparatuses face communication issues due to IP address conflicts between wireless LAN and wired LAN connections, leading to improper communication with external apparatuses.
Innovation Solution
The apparatus includes a wireless communicator, network interface, and processor that determine IP address conflicts and execute processes to resolve them, ensuring proper communication by changing IP addresses as needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the image forming apparatus automatically issues an IP address for wireless LAN communication with a mobile terminal, then wireless LAN communication is enabled, but IP address conflicts may occur with wired LAN communication
Solution Approach 1:
The determination unit checks for IP address conflicts between wireless LAN and wired LAN before communication begins. By performing this check in advance (prior to actual data transmission), the system can identify potential conflicts and trigger the changing unit to modify IP addresses, preventing communication failures before they occur.
Solution Approach 2:
When a conflict is detected, the changing unit modifies the IP address parameters of either the wireless LAN or wired LAN connection. This parameter change resolves the conflict by ensuring that the network addresses of different communication interfaces are distinct, allowing both wireless and wired communications to function simultaneously without interference.
2Ease of operation
If a communication setting prioritizes wireless LAN communication over wired LAN communication, then wireless communication is established, but data transmission to the client PC fails
Solution Approach 1:
The determination unit continuously monitors the communication state and detects when both wireless and wired LAN connections are active. Based on this feedback, the system dynamically adjusts communication routing or IP address assignments to ensure data is transmitted to the correct destination (mobile terminal or client PC) according to user intent rather than fixed priority settings.
Data Source
AI summary
An image forming apparatus determines whether a network address of a first IP address used in a wireless communication with a first external apparatus conflicts with a network address of a second IP address used in communication with the second external apparatus. A predetermined process is executed at least in a case where it is determined that the network address of the first IP address conflicts with the network address of the second IP address.