Printer Communication Failure Identification via Peer Status Reporting
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Solution Overview
Problem
Existing image forming devices do not address the issue of communication failures that prevent them from sending status information to a server, leading to inefficiencies in maintenance and repair processes.
Innovation Solution
A communication system involving multiple printers and a server that allows one printer to identify and notify another printer experiencing communication issues, enabling the server to output identification information for external repair services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a printer sends status information to a server, then the server can monitor printer status, but the system cannot identify printers that lose communication capability
Solution Approach 1:
The system implements a feedback mechanism where printers that were previously sending status information are monitored for communication failures. When a printer stops sending status information, the system detects this through the absence of expected status updates and initiates an identification process to capture the printer's identity before it fully disconnects, ensuring reliable tracking of communication status.
Solution Approach 2:
The system performs preliminary identification of printers before they completely lose communication capability. By capturing printer identification information at the moment communication fails (rather than waiting for complete disconnection), the system preserves critical information that would otherwise be lost, enabling subsequent repair and troubleshooting activities.
2Productivity
If the system waits for printers to send status information, then communication protocols remain simple, but repair efficiency decreases due to unnecessary maintenance visits
Solution Approach 1:
The system performs preliminary identification and notification when communication failures are detected, capturing printer identification information and notifying repair personnel before they dispatch to the site. This preliminary action prevents unnecessary travel and time loss by identifying issues that can be resolved remotely or by preparing appropriate repair resources in advance.
Solution Approach 2:
The system enables self-service functionality by automatically detecting communication failures, identifying the affected printers, and notifying the appropriate parties without requiring manual intervention or on-site inspection. This automated self-diagnosis and notification process significantly improves repair efficiency by eliminating unnecessary maintenance visits.
Data Source
AI summary
A first printer may repeatedly send first status information indicating a status of the first printer to the server. A second printer may repeatedly send second status information indicating a status of the second printer to the server. The first printer may cause a display to display a designation screen for designating a printer that is unable to send status information to the server, and send second printer identification information identifying the second printer to the server in a case where the second printer is designated in the designation screen after a state of the second printer has changed from a state of being able to send the second status information to the server to a state of being unable to send the second status information to the server. The server may output the second printer identification information externally.


