Printing Apparatus Inquiry Screen for Postcard Media

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Solution Overview

Problem

Printing systems struggle to prevent unintended double-sided printing on media unsuitable for automatic double-sided printing, such as postcards, due to limitations in printer driver settings and communication protocols that do not properly restrict print settings.

Innovation Solution

A printing apparatus that acquires and analyzes print settings, displays an inquiry screen when double-sided printing is set for specific media types, and automatically switches to single-sided printing to prevent misorientation and waste, using a system configuration that includes a terminal apparatus and a printing apparatus with communication protocols like IPP and WSD.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If automatic double-sided printing is used for postcards, then printing efficiency is improved, but image quality and print orientation deteriorate because postcards require different image processing on each side

Engineering Contradiction:
Improveprinting efficiencyVSAvoidimage quality
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The system applies different image processing settings to different sides of the postcard. The address side uses standard printing parameters while the communication side (photograph side) uses enhanced image processing parameters optimized for photographic quality, recognizing that each side has different quality requirements

Inventive Principle:
Principle #3Local quality

2Manufacturing precision

If printer driver restrictions are applied to prevent double-sided printing on postcards, then print orientation accuracy is improved, but ease of operation deteriorates due to limited user control

Engineering Contradiction:
Improveprint orientation accuracyVSAvoiduser control flexibility
Core Design Contradiction:
Manufacturing precisionVSEase of operation

Solution Approach 1:

The system detects the paper type (postcard) and automatically provides feedback by displaying a confirmation dialog that explains the potential issues with double-sided printing on postcards. This allows the system to maintain default restrictive settings while still offering users the opportunity to override if they understand the implications

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs preliminary detection of paper type and automatically configures appropriate print settings before the user initiates printing. For postcards, it pre-sets single-sided printing as the default and prepares explanatory information to be shown to the user, preventing the problem before it occurs

Inventive Principle:
Principle #10Preliminary action

3Ease of operation

If double-sided printing is allowed without verification, then ease of operation is improved, but harmful effects increase due to unintended printing on unsuitable media

Engineering Contradiction:
Improveprinting operation simplicityVSAvoidunintended printing errors
Core Design Contradiction:
Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The system performs preliminary verification of paper type compatibility with double-sided printing before allowing the operation to proceed. By detecting postcard paper types in advance and blocking double-sided printing with an explanatory dialog, it prevents the harmful effect of incorrect printing orientation before it can occur

Inventive Principle:
Principle #9Preliminary anti-action

Data Source

PatentUS11023187B2Printing apparatus, control method for printing apparatus, and printing system
Publication Date: 2021.06.01 CANON KK
  • US11023187B2 patent drawing
  • US11023187B2 patent drawing
  • US11023187B2 patent drawing

AI summary

A printing apparatus that performs printing based on a print job received from a terminal apparatus includes an acquisition unit configured to acquire print settings corresponding to the print job, a display unit configured to display a predetermined inquiry screen in a case where double-sided printing is set and a predetermined binding direction is set as print settings for printing on a predetermined type of medium based on the print settings acquired by the acquisition unit, and a printing unit configured to perform single-sided printing that is based on the print job in a case where an instruction for printing is issued by a user via the predetermined inquiry screen displayed by the display unit.