Print Cartridge Credential Web Service Access Control
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Solution Overview
Problem
There is a need for a replacement component in printing devices that can enable or disable access to web services using data stored on the component, allowing suppliers to add value to customers by offering innovative services when the component is replaced.
Innovation Solution
A print cartridge with a non-volatile memory that includes a unique cartridge credential, which is issued by the supplier and stored on the cartridge, is used to authenticate the printing device and grant access to specific network services, ensuring only authorized devices can invoke reserved functions while unauthorized devices are restricted.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a replacement component is installed in a printing device, then the printing device can continue to function, but the ability to control web service access through the component is lacking
Solution Approach 1:
The replacement component (print cartridge) is designed to serve multiple functions: it provides printing material (toner/ink) and simultaneously stores credential data that controls web service access. The component acts as both a consumable printing supply and an authentication device, enabling the system to control network service access through a universally installed printing component.
Solution Approach 2:
The print cartridge serves as an intermediary between the user and the web service access control system. By storing credential data on the cartridge itself, it mediates the authentication process between the printing device and the remote server, enabling access control without requiring separate authentication hardware or complex user intervention.
2Reliability
If web service access is enabled through data stored on the replacement component, then suppliers can add value to customers, but unauthorized access must be prevented
Solution Approach 1:
Credential data is pre-loaded onto the replacement component during manufacturing by the supplier. This preliminary action ensures that only authorized components purchased from the supplier contain valid credentials, automatically establishing security and authentication capabilities without requiring complex setup or registration processes when the component is installed.
Solution Approach 2:
The printing device automatically reads the credential data from the installed replacement component and uses it to authenticate with the remote server. This self-service mechanism eliminates the need for manual authentication configuration by users, reducing complexity while maintaining strong security through automated credential verification.
Data Source
AI summary
A method for altering web service access through a replaceable component comprising the steps of: inserting a replaceable component into a printing device; and reading the replaceable component to determine if the component includes a setting that is used to alter web service access.