Image Forming System Real-Time Network Configuration Detection
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Solution Overview
Problem
In image forming systems, existing technologies face challenges in real-time recognition of network configuration changes and device disconnections, leading to difficulties in maintaining accurate device order and communication errors without manual intervention.
Innovation Solution
The image forming system incorporates a detection unit to monitor network bus communication states, a notification unit to alert adjacent devices of communication errors, and a control unit to erase identification information when errors occur, enabling real-time recognition and adjustment of network configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the image forming apparatus holds the connection order of accessory devices in built-in memory and compares it with detection results, then the connection state can be confirmed, but it is difficult to recognize network configuration changes in real-time and manual intervention is required
Solution Approach 1:
The accessory device proactively transmits communication error notifications to adjacent devices before the image forming apparatus can detect and respond to the connection change. This preliminary action eliminates the delay inherent in the traditional approach where the image forming apparatus must periodically detect and compare connection states.
Solution Approach 2:
A feedback mechanism is established where accessory devices monitor network bus communication states and immediately notify adjacent devices of any communication errors. This creates a real-time feedback loop that allows the network configuration to be recognized and adjusted instantly, rather than waiting for periodic detection by the image forming apparatus.
2Reliability
If the image forming apparatus notifies the user of connection abnormalities and prompts for manual action, then the user can solve the situation, but system productivity is reduced due to manual intervention
Solution Approach 1:
The system performs self-service by automatically detecting communication errors and notifying adjacent devices without requiring user intervention. The accessory device autonomously monitors the network bus and transmits error notifications, enabling the system to maintain accurate connection state recognition and continue operation without manual involvement.
3Reliability
If ARCNET is used to detect device disconnection, then disconnection can be detected, but without network reconfiguration processing, it is not possible to determine which device is disconnected
Solution Approach 1:
The notification function is segmented and assigned to individual accessory devices rather than requiring centralized network reconfiguration processing. Each accessory device independently monitors communication states and transmits error notifications to adjacent devices, eliminating the need for complex network-wide reconfiguration processing while enabling precise identification of disconnected devices.
Data Source
AI summary
An image forming system which can recognize the network configuration in real time is provided. The image forming system comprises an image forming apparatus for performing image formation and one or more accessory devices capable of establishing communication with the image forming apparatus via network bus. The image forming apparatus stores identification information which identifies each of the one or more accessory devices. The accessory device detects a communication state of the network bus to notify the image forming apparatus or accessory device which is adjacent of occurrence of communication error not via the network bus. When the occurrence of the communication error of the network bus is notified from the accessory device which is adjacent, the image forming apparatus realizes the network configuration in real time and erases the identification information stored.