Image Forming Base Detection for Recording Head Collision Prevention
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing image forming technologies are inefficient when changing recording media types, as they require unnecessary adjustments to the base detection range, prolonging preparation time due to fixed detection ranges that include irrelevant height adjustments.
Innovation Solution
An image forming apparatus and method that dynamically adjusts the detection range based on the type of recording medium and base, using sensors to prevent collisions by optimizing the platen position and narrowing the detection range to only areas where collisions are likely, thereby reducing preparation time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the detection range is fixed to cover all possible base heights, then collision prevention is ensured, but the preparation time increases due to unnecessary adjustments in irrelevant ranges
Solution Approach 1:
The detection range is made dynamic rather than fixed. The control unit adjusts the detection range based on the identified base type, expanding it when collision risk is high and contracting it when collision risk is low, thereby optimizing both safety and efficiency
Solution Approach 2:
Different detection ranges are applied to different base types. Instead of using a uniform detection range for all bases, the system tailors the detection range to the specific characteristics of each base type, focusing detection resources only where necessary
2Productivity
If the detection range is narrowed to reduce preparation time, then efficiency improves, but collision detection reliability may be compromised
Solution Approach 1:
The system uses feedback from base type identification to continuously adjust the detection range. The control unit receives information about the base type and automatically configures the appropriate detection range, ensuring that the range is never too narrow to detect collisions while minimizing unnecessary detection in safe zones
Solution Approach 2:
The detection range is pre-configured based on the identified base type before image formation begins. This preliminary adjustment ensures that the optimal detection range is already in place when recording media is loaded, avoiding both unnecessary detection time and potential collision risks
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
The solution significantly shortens the preparation time for image formation by optimizing the detection range and preventing collisions, ensuring efficient and timely image processing across different types of recording media.
Implementation Method 1
detect the height of the base with a sensor
Implementation Method 2
a light receiving device that receives light from the light emitting diode
Data Source
Figure 1
Figure 2(a)~2(b)
Figure 3A~3B
AI summary
An image forming apparatus (20) includes an image forming unit (2001), a base unit (2002), a setting unit (2003), and a detecting unit (2004). The image forming unit (2001) includes a recording head to form an image on a recording medium conveyed in a conveyance direction. The base unit (2002) supports the recording medium and is movable in the conveyance direction. A type of the base unit is changeable according to a type of the recording medium. The setting unit (2003) sets a detection range in the conveyance direction. The detecting unit (2004) detects, before the image is formed, a collision between the recording head and the recording medium on the base unit (2002), in the detection range set by the setting unit (2003).