Printer Print Setting Registration with User Permission Control

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Solution Overview

Problem

Existing printer systems do not effectively restrict the registration of print preset information, leading to potential misuse or incorrect settings being applied.

Innovation Solution

A printer system that includes a memory to store user identification information and associated registration-related information, with a controller to manage permissions for print setting information registration, allowing only permitted users to register settings and restricting access for others.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If registration of print preset information is allowed without restriction in the MFP, then user convenience and ease of operation are improved, but system security and reliability deteriorate due to potential misuse by unauthorized users

Engineering Contradiction:
Improveease of registrationVSAvoidsystem security
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent applies local quality by differentiating access rights for different users. The MFP stores registration permission information associated with each user ID, allowing the system to provide different levels of access control to different users. This enables authorized users to register print presets while preventing unauthorized users from doing so, thus resolving the contradiction between ease of operation and system security.

Inventive Principle:
Principle #3Local quality

2Reliability

If print preset registration is restricted based on user authorization, then system reliability and security are improved, but device complexity increases due to additional permission management mechanisms

Engineering Contradiction:
Improvesystem securityVSAvoidpermission management complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements self-service by enabling the MFP to automatically manage registration permissions locally. The system stores user IDs and associated registration permission information in its own memory, and the controller automatically checks these permissions when processing registration requests. This self-contained permission management approach improves reliability while minimizing the need for external authorization infrastructure, thus balancing security requirements with system complexity.

Inventive Principle:
Principle #25Self-service

3Reliability

If unauthorized users are prevented from registering print settings, then printing reliability is improved by preventing failures due to restricted conditions, but ease of operation deteriorates due to additional authentication requirements

Engineering Contradiction:
Improveprinting reliabilityVSAvoidoperation simplicity
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent applies preliminary action by pre-configuring registration permission information for different user IDs in the MFP's memory before actual printing operations. When a user attempts to register a print preset, the controller first checks whether that user ID has registration permission stored in the system. This preliminary permission verification prevents unauthorized registrations that could cause printing failures, while authorized users experience seamless operation without additional authentication steps during normal use.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS11567713B2Printer and non-transitory computer-readable recording medium storing computer-read able instructions for printer for registering print setting information received from external device
Publication Date: 2023.01.31 BROTHER KOGYO KK
  • US11567713B2 patent drawing
  • US11567713B2 patent drawing
  • US11567713B2 patent drawing

AI summary

The printer may receive first user identification information from an external device and receive a registration request including first print setting information from the external device. In a first case where the first user identification information and the registration request are received from the external device and registration related information associated with the first user identification information among the one or more user identification information in a memory is permission information, the printer may register the first print setting information included in the registration request in the memory in association with the first user identification information. In a second case where the first user identification information and the registration request are received from the external device and the registration related information associated with the first user identification information is restriction information, the first print setting information is not registered in the memory.