Printing Control Apparatus Sheet Feed Unit Compatibility

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Solution Overview

Problem

Conventional information processing apparatuses cannot determine if a printing apparatus supports printing on sheets fed into a sheet feed unit regardless of the sheet type, limiting user settings and functionality.

Innovation Solution

The information processing apparatus communicates with the printing apparatus to obtain capability information, including sheet type support, and generates a settings screen that allows users to select 'automatic' settings for printing on any sheet type, enabling the use of sheet feed units even if the printing apparatus does not explicitly support 'auto' settings.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the information processing apparatus generates a printing settings screen based on capability information of the printing apparatus, then the user can select the type of sheet for printing, but the user cannot access the function for printing on sheets fed in advance regardless of sheet type

Engineering Contradiction:
Improveprinting functionalityVSAvoidsettings accessibility
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent extracts the sheet type selection functionality from the mandatory settings flow. By separating the sheet type selection step from the required settings, the system allows users to proceed with printing even when sheet type information is not provided, thereby accessing the sheet feed unit function while maintaining the option for detailed configuration when needed.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The information processing apparatus is designed to support multiple printing modes: one with explicit sheet type designation and another without. This multi-functionality allows the same system to accommodate both users who need precise sheet type control and those who want to use the sheet feed unit with pre-fed sheets, making the system universally applicable to different printing scenarios.

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

2Loss of information

If the printing apparatus communicates only the type of sheet it can handle, then the capability information is simplified, but the information processing apparatus cannot know whether the printing apparatus has a function for printing on sheets fed in advance

Engineering Contradiction:
Improvecapability information completenessVSAvoidfunctionality awareness
Core Design Contradiction:
Loss of informationVSAdaptability or versatility

Solution Approach 1:

The system performs preliminary detection of the sheet feed unit's presence and capability before the printing operation. By checking for the sheet feed unit in advance and preparing the alternative printing path, the system ensures that this functionality is not lost due to simplified capability information exchange, allowing users to access this feature when available.

Inventive Principle:
Principle #10Preliminary action

3Manufacturing precision

If the information processing apparatus requires explicit sheet type designation, then printing precision is improved, but user flexibility is reduced

Engineering Contradiction:
Improveprinting precisionVSAvoiduser flexibility
Core Design Contradiction:
Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The system dynamically adjusts the printing process based on the presence or absence of sheet type information. When sheet type is explicitly designated, the system uses that information for precise printing. When sheet type is not provided, the system automatically adapts by using the sheet feed unit with pre-fed sheets, maintaining printing precision through dynamic path selection rather than rigid requirements.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP3686730B1Information processing apparatus, control method thereof, and storage medium
Publication Date: 2024.05.01 CANON KK
  • EP3686730B1 patent drawingFigure 1
  • EP3686730B1 patent drawingFigure 2
  • EP3686730B1 patent drawingFigure 3

AI summary

An information processing apparatus obtains capability information of a printing apparatus, wherein the capability information is including a predetermined text and a sheet type that the printing apparatus can use in printing; displays, in a display unit, a first option that the printing apparatus carries out printing for a sheet of a selected sheet type, based on the predetermined text included in the capability information, and displays a second option that the printing apparatus carries out printing for a sheet of the sheet type included in the capability information based on the sheet type included in the capability information; generates a print job including the option set through the screen; and sends the generated print job to the printing apparatus.