Universal Printer Tray PCA Signal Configuration
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Solution Overview
Problem
The complexity and cost of manufacturing and assembling printers with multiple printer tray accessory configurations lead to increased inventory needs and potential assembly errors, as each configuration must be correctly identified by the printer.
Innovation Solution
A universal printer tray printed circuit assembly (PT PCA) that automatically changes its output signal based on the configuration of connected trays, indicating the number of trays to the printer, reducing assembly errors and inventory costs by using a series connection of identical PT PCAs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple different printer tray accessory configurations are provided, then the printer can better match media demands of users, but the complexity and cost of manufacturing and assembling increases
Solution Approach 1:
The patent implements a universal printed circuit assembly (PCA) design that can be used across multiple printer tray accessory configurations. The universal PCA includes a processor that automatically detects the tray configuration through sensor inputs and adjusts its output signals accordingly, allowing a single PCA design to serve multiple configuration purposes without requiring custom PCAs for each tray arrangement
Solution Approach 2:
The processor on the universal PCA changes its operational parameters based on detected tray configuration. By receiving sensor inputs about the physical arrangement of trays and automatically adjusting its output signal parameters, the system adapts to different configurations without requiring physical reconfiguration of the PCA itself, thereby reducing manufacturing complexity
2Adaptability or versatility
If multiple different printer tray accessory configurations are provided, then the printer can better match media demands of users, but inventory requirements increase
Solution Approach 1:
The universal PCA design allows the manufacturer to maintain a reduced inventory of identical PCA units that can be deployed across all tray accessory configurations. Instead of maintaining separate inventories of different PCA types for different configurations, the system uses one universal PCA type that adapts to all configurations through software-based detection and adjustment
3Adaptability or versatility
If multiple different printer tray accessory configurations are provided, then the printer can better match media demands of users, but assembly errors increase
Solution Approach 1:
The universal PCA incorporates automatic configuration detection through integrated sensors that identify the physical tray arrangement without requiring manual configuration or intervention during assembly. The processor automatically determines the correct configuration based on sensor inputs and adjusts its operation accordingly, eliminating the need for manual setup and reducing assembly errors
Solution Approach 2:
The system uses sensor feedback to automatically detect the tray configuration and provide this information to the processor, which then adjusts its output signals accordingly. This closed-loop feedback mechanism ensures the PCA operates correctly for the detected configuration without requiring manual intervention, thereby improving assembly reliability
Data Source
AI summary
A printer tray printed circuit assembly may include a board, a processing unit supported by the board, an output connector connected to the processing unit and supported by the board and an input connector supported by the board. The input connector is connectable to an interconnect to connect the first printer tray printed circuit assembly to a second printer tray printed circuit assembly. Signal altering circuitry carried by the board automatically alters an output signal of the output connector in response to the input connector being connected to the interconnect. The altered output signal indicates a configuration of a printer tray configuration.