Printer Controller Automatic Reconnection Priority Logic
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Solution Overview
Problem
Users face complexity in reconnecting a printing device to an external device after disconnection, as existing systems require manual selection from multiple connected devices, which is cumbersome and inefficient.
Innovation Solution
A printing device with a controller that automatically reconnects to an external device using access information with a high priority ranking, based on predetermined rules, stored in a storage unit, simplifying the reconnection process and ensuring connection to preferred devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the printing device stores access information of multiple external devices and automatically selects one for reconnection, then the ease of operation is improved, but the device complexity increases due to the need for priority ranking management
Solution Approach 1:
The system performs preliminary actions by storing access information of multiple external devices in advance with predetermined priority rankings. When disconnection occurs, the controller automatically selects the external device with the highest priority from the pre-stored access information, eliminating the need for manual selection and simplifying the reconnection operation.
2Productivity
If the printing device automatically reconnects to the previously connected external device, then the productivity is improved, but the reliability decreases due to potential reconnection to undesired devices
Solution Approach 1:
The system applies local quality by assigning different priority levels to different external devices based on their importance or usage frequency. The controller evaluates the priority rankings of multiple stored access information and selectively reconnects to the external device with the highest priority, ensuring that reconnection occurs only to appropriate and desired devices while maintaining fast automatic reconnection.
Data Source
AI summary
A printing device includes a communication unit that executes wireless communication with an external device, a storage unit that stores information therein, and a controller that causes the storage unit to store access information of the external device that indicates a connection state where data exchange is being executed through the wireless communication, detects that the connection state of the external device changes to a disconnection state where the data exchange through the wireless communication is not executable, and uses, when the disconnection state is detected in the disconnection detection process, access information having a high priority ranking based on priorities determined with a predetermined rule among a plurality of access information stored in the storage unit to establish the connection state to the external device corresponding to the access information.