Printer Consumable Cartridge Memory for Firmware-Free Amount Updates
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Solution Overview
Problem
Existing printing apparatuses require user intervention and firmware updates when changing or updating consumable amounts, increasing user workload.
Innovation Solution
A printing apparatus with a replaceable component that includes a chamber for consumables and a memory to store initial-state information, allowing a controller to manage consumable processing without user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If selectable initial amounts of consumables are stored as fixed values in the printer firmware, then the printer can manage consumable amounts, but firmware updates are required when new selectable amounts need to be added or modified, increasing user workload
Solution Approach 1:
The patent extracts the consumable amount information from the printer's fixed firmware storage and relocates it to the replaceable component (cartridge). This allows the printer to read consumable amount information directly from the cartridge's memory, eliminating the need for firmware updates when consumable options change, thereby reducing user workload while maintaining adaptability
Solution Approach 2:
The patent implements preliminary action by pre-storing consumable initial-state information in the memory of the replaceable component before installation. This allows the printer to automatically retrieve and use the information without requiring user intervention or firmware modification, solving the contradiction between adaptability and ease of operation
2Ease of operation
If consumable initial-state information is stored in the printer's fixed memory, then management is straightforward, but any changes require firmware updates which increase user workload and reduce system flexibility
Solution Approach 1:
The patent applies dynamics by making the consumable information storage location changeable - moving from fixed printer memory to the replaceable component's memory. This dynamic structure allows the system to maintain simplicity in management while gaining flexibility, as the replaceable component can be easily swapped to provide different consumable information without complex firmware updates
Solution Approach 2:
The replaceable component performs self-service by storing its own consumable initial-state information in its memory and providing it to the printer automatically upon installation. This eliminates the need for the printer to manage or update this information, simplifying the printer's operation while allowing flexible updates through component replacement
Data Source
AI summary
A printing apparatus includes a replaceable component, an attachment case configured to hold the replaceable component removably installed thereto, and a controller. The replaceable component includes a chamber configured to store a consumable material used for printing, and a memory configured to store consumable initial-state information regarding an initial state of the consumable material. The controller is configured to retrieve the consumable initial-state information from the memory of the replaceable component installed in the attachment case, and to perform consumable processing related to the consumable material based on the retrieved consumable initial-state information.