Image Forming System Automatic Printing Mode Selection

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Solution Overview

Problem

Existing image forming systems that connect non-erasable and erasable printers lack an efficient method to automatically determine and enforce the printing mode based on document properties, leading to unnecessary consumable usage and environmental impact.

Innovation Solution

An image forming system that includes a data creation section, a print instruction section, a printing mode determination section, and a selection section, where a server determines the printing mode and selects between non-erasable and erasable printers based on predefined printing policies, allowing automatic selection and promotion of erasable mode printing to conserve resources and reduce waste.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Extent of automation

If the user manually selects between non-erasable and erasable printers for each print job, then the system provides flexibility in printer selection, but the system lacks automatic determination based on document properties leading to unnecessary consumable usage

Engineering Contradiction:
Improveautomatic determination of printing modeVSAvoidconsumable usage
Core Design Contradiction:
Extent of automationVSLoss of substance

Solution Approach 1:

The system enables self-service by allowing the document itself to determine the printing mode through embedded metadata or properties. The printing mode determination section automatically reads document properties and selects the appropriate printer type without requiring user intervention, making the system serve itself based on document characteristics.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system changes the parameter of printing mode (erasable vs. non-erasable) based on document properties such as confidentiality level, color requirements, or document type. This dynamic parameter adjustment allows the system to optimize consumable usage by matching printer characteristics to document requirements.

Inventive Principle:
Principle #35Parameter changes

2Object-affected harmful factors

If the system promotes erasable mode printing to conserve resources, then environmental preservation is improved, but the system must implement complex policy determination mechanisms

Engineering Contradiction:
Improveenvironmental impactVSAvoidpolicy determination mechanism
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The system performs preliminary action by establishing printing policies and determination rules in advance. The printing mode determination section is pre-configured with policies that automatically evaluate document properties and select appropriate printers, eliminating the need for complex real-time decision-making during printing operations.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The printing mode determination section acts as an intermediary between the document properties and the printer selection. This mediator component simplifies the complexity by centralizing the decision-making logic in a dedicated module that translates document characteristics into appropriate printer selections based on predefined policies.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Loss of substance

If automatic printing mode determination is implemented, then consumable usage is optimized, but the system requires additional components for policy determination and printer selection

Engineering Contradiction:
Improveconsumable savingsVSAvoidsystem components
Core Design Contradiction:
Loss of substanceVSDevice complexity

Solution Approach 1:

The printing mode determination section serves multiple functions: it evaluates document properties, determines printing mode, selects appropriate printers, and enforces printing policies. This multi-functional component reduces overall system complexity by consolidating what could be separate functions into a single universal module.

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

Data Source

PatentUS10057452B2Image forming system and image forming method
Publication Date: 2018.08.21 KK TOSHIBA
  • US10057452B2 patent drawing
  • US10057452B2 patent drawing
  • US10057452B2 patent drawing

AI summary

A server for controlling an image forming system according to an embodiment includes an interface that receives, from a user device, document data and instructions to print the document data. A storage section stores the document data. A controller determines a printing mode of the document data based on property information included in the document data. The controller selects for printing the document data, only one of a non-erasable image forming apparatus and an erasable image forming apparatus based on the determined printing mode. The controller controls a display device to display a screen for selecting an erasable printing mode designation if the printing mode is determined to be a non-erasable printing mode.