Inkjet Drying Control for Layered Mirror Image Printing

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Solution Overview

Problem

Existing inkjet recording devices face issues with image quality deterioration when images are layered and recorded, as the ink of an upper layer immerses in the ink of a lower layer if not adequately dried.

Innovation Solution

A control device and method that vary the drying conditions based on the recording mode, distinguishing between mirror image and normal modes to ensure proper drying of each image layer.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If images are layered and recorded without varying drying conditions, then the recording process is simple and fast, but the image quality deteriorates due to ink immersion between layers

Engineering Contradiction:
Improveimage qualityVSAvoiddrying control complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The drying control unit dynamically adjusts drying conditions based on the recording mode. When mirror image recording is detected, the system applies different drying parameters compared to normal recording modes. This dynamic adaptation allows the system to optimize image quality for each specific recording scenario without requiring complex manual intervention.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes drying parameters (such as drying time, temperature, or airflow) depending on whether the recording mode is mirror image or normal mode. By modifying these physical parameters based on the detected recording configuration, the system prevents ink immersion while maintaining operational simplicity.

Inventive Principle:
Principle #35Parameter changes

2Manufacturing precision

If drying conditions are made more stringent to prevent ink immersion, then image quality improves, but the drying time and productivity decrease

Engineering Contradiction:
Improveimage qualityVSAvoidrecording speed
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The system applies different drying conditions to different recording scenarios. Instead of using uniformly stringent drying conditions for all recordings, the drying control unit selectively applies enhanced drying only when mirror image recording is detected, while using standard drying conditions for normal recordings. This localized approach maintains image quality where needed without sacrificing overall productivity.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS20260070350A1Control device, inkjet recording device, control method thereof, and non-transitory computer-readable storage medium
Publication Date: 2026.03.12 CANON KK
  • US20260070350A1 patent drawing
  • US20260070350A1 patent drawing
  • US20260070350A1 patent drawing

AI summary

A control device controls an inkjet recording device including a recording head discharging ink onto a recording medium that is light transmissive to layer and record an image. The control device comprises a generation unit generating record data for recording an image in which a first, a second, and a third recorded image are layered in this order on one surface of the recording medium, and a drying control unit controlling drying of ink of each layer depending on a recording mode. The drying control unit varies a condition of drying between when the recording mode is a mirror image mode for a case where the first and the third recorded image are mirror images and when the recording mode is a normal mode for a case where the first and the third recorded image are not mirror images.