Pre-Printed Media Orientation Detection

Solution Overview

Problem

In modern office environments, printing on pre-printed media such as letterhead often requires trial-and-error to achieve precise positioning, leading to inefficiencies and paper waste due to incorrect orientation detection by printers.

Innovation Solution

A system and method that detects the orientation of pre-printed media using an image sensor and adjusts the print job accordingly, ensuring correct printing by processing the print job based on the detected orientation within the image forming apparatus.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If manual trial-and-error methods are used to position printed text and graphics on pre-printed media, then printing precision can be achieved, but time consumption and paper waste increase significantly

Engineering Contradiction:

Improveprinting precisionVSAvoidtime consumption

Core Design Contradiction:

Manufacturing precisionVSLoss of time

Solution Approach 1:

The system performs preliminary detection of the pre-printed media's orientation and content before the actual printing process. The image sensor captures the media layout in advance, and the controller pre-calculates the correct printing orientation and positioning, eliminating the need for manual trial-and-error adjustments during printing.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system uses an image sensor to detect the actual orientation and content of pre-printed media, feeds this information back to the controller, which then automatically adjusts the printing parameters. This closed-loop feedback mechanism ensures printing precision without manual intervention.

Inventive Principle:

Principle #23Feedback

2Manufacturing precision

If manual trial-and-error methods are used to position printed text and graphics on pre-printed media, then printing precision can be achieved, but paper waste increases due to incorrect orientation

Engineering Contradiction:

Improveprinting precisionVSAvoidpaper waste

Core Design Contradiction:

Manufacturing precisionVSLoss of substance

Solution Approach 1:

The system performs preliminary detection of the pre-printed media's orientation and content before the actual printing process. The image sensor captures the media layout in advance, and the controller pre-calculates the correct printing orientation and positioning, eliminating the need for manual trial-and-error adjustments during printing.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system uses an image sensor to detect the actual orientation and content of pre-printed media, feeds this information back to the controller, which then automatically adjusts the printing parameters. This closed-loop feedback mechanism ensures printing precision without manual intervention.

Inventive Principle:

Principle #23Feedback

3Productivity

If automatic orientation detection is implemented using image sensors, then productivity and paper utilization improve, but device complexity increases

Engineering Contradiction:

Improveprinting efficiencyVSAvoidsystem complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The image forming apparatus integrates multiple functions including printing, scanning, and image processing into a single system. The existing image sensor and processor are utilized for both document scanning and pre-printed media detection, reducing the need for separate dedicated components and minimizing additional complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system performs self-detection and self-adjustment of printing parameters based on automatic orientation detection. The apparatus independently identifies media orientation and configures printing settings without external intervention, improving productivity while keeping the control logic integrated within the existing system architecture.

Inventive Principle:

Principle #25Self-service

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This solution enables seamless and efficient printing on pre-printed media by correctly aligning images on letterhead or specialty media, reducing paper waste and improving productivity in time-sensitive tasks.

Implementation Method 1

an image sensor for detecting an orientation of the at least one sheet of pre-printed media being fed into the image forming apparatus from the input tray

Methodology Applied

Scientific EffectLight reflection: Reflection

Data Source

PatentUS8639147B2Method and system for printing on pre-printed media and letterhead media

Publication Date: 2014.01.28 KONICA MINOLTA SYSTEMS LABORATORY INC

AI summary

A method for managing the printing of documents on pre-printed media, which includes the steps of: receiving a print job representing a document to be printed; detecting an orientation of a pre-printed media being fed into an image forming apparatus; processing the print job for printing based on the orientation of the pre-printed media; and printing the print job on at least one sheet of the pre-printed media.