Printing Apparatus Ink Cartridge Authentication Mode Switching

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing printing apparatuses do not adapt their operational modes effectively based on the type of liquid accommodation body used, leading to inefficient ink usage and maintenance, as they lack a system to differentiate between dedicated and non-dedicated ink cartridges, resulting in suboptimal performance and user experience.

Innovation Solution

A printing system that includes a control section capable of communicating with a server via a network, which determines the operational mode based on authentication information from the ink accommodation body, switching between first and second modes depending on the type of ink cartridge, optimizing maintenance and ink usage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the printing apparatus operates with a single fixed mode regardless of ink cartridge type, then the device complexity is reduced, but the adaptability and optimization of maintenance and ink usage deteriorate

Engineering Contradiction:
Improveadaptability to different ink cartridge typesVSAvoidoperational mode switching mechanism
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The printing apparatus dynamically switches between first and second operational modes based on the type of ink cartridge detected. The control section changes the operational mode from a fixed state to a dynamic state that adapts to the mounted cartridge type, enabling optimized maintenance and ink usage without requiring complex manual configuration

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system automatically detects the ink cartridge type and self-determines the appropriate operational mode without user intervention. The control section performs automatic mode switching based on cartridge identification, eliminating the need for users to manually configure operational parameters and reducing the perceived complexity for end users

Inventive Principle:
Principle #25Self-service

2Productivity

If the printing apparatus uses authentication information to determine operational mode, then the optimization of maintenance and ink usage improves, but the device complexity and communication requirements increase

Engineering Contradiction:
Improvemaintenance efficiencyVSAvoidauthentication and communication system
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The control section serves multiple functions: it manages printing operations, detects ink cartridge types, communicates with the server via network, determines authentication status, and switches operational modes. By consolidating these diverse functions into a single control section, the patent reduces overall system complexity while maintaining high maintenance efficiency

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The network communication system acts as an intermediary between the printing apparatus and the server for authentication. Rather than requiring direct complex authentication mechanisms within the printer, the system uses network-based communication as a mediator to transfer authentication information, simplifying the internal structure while enabling optimized operational modes

Inventive Principle:
Principle #24Intermediary (Mediator)

3Loss of substance

If the printing apparatus switches between first and second modes based on ink cartridge authentication, then the ink usage optimization improves, but the loss of time for authentication and mode switching increases

Engineering Contradiction:
Improveink usage efficiencyVSAvoidauthentication and mode switching time
Core Design Contradiction:
Loss of substanceVSLoss of time

Solution Approach 1:

The authentication information is pre-stored in the ink cartridge itself, eliminating the need for time-consuming real-time authentication processes. The control section simply reads the pre-stored information to determine the operational mode, significantly reducing the time loss while maintaining ink usage optimization

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system skips complex real-time authentication verification by relying on pre-stored authentication information in the cartridge. The control section rapidly determines the operational mode by reading cartridge type information without prolonged verification processes, minimizing time loss while ensuring proper ink usage optimization is applied

Inventive Principle:
Principle #21Skipping (Rushing through)

Data Source

PatentEP3785919B1Printing apparatus and printing system
Publication Date: 2023.03.15 SEIKO EPSON CORP
  • EP3785919B1 patent drawingFigure 1
  • EP3785919B1 patent drawingFigure 2
  • EP3785919B1 patent drawingFigure 3

AI summary

Printing is performed with a printing material accommodated in a printing material accommodation body (18). Accommodation body information on the printing material accommodation body is acquired. When the accommodation body information on the printing material accommodation body (18) is first information, an operation of a first mode is performed. Meanwhile, when the accommodation body information on the printing material accommodation body (18) is second information, in a case in which a permission condition is satisfied according to communication with a server apparatus (200), an operation of a second mode is performed.