Image Forming Device Additional Printing Alignment Control
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Solution Overview
Problem
Existing image forming devices face challenges in accurately aligning additional images on transfer media due to varying positional relationships between multiple alignment images, leading to difficulties in printing additional images in the correct position.
Innovation Solution
An image forming device with a reader unit that distinguishes and reads multiple alignment images, allowing a control unit to store adjustment information for precise positioning of additional images, ensuring accurate alignment and placement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple alignment images are printed on the transfer medium for additional printing, then the coverage of alignment targets increases, but the positional relationship between multiple alignment images and the additional image varies, making it difficult to print the additional image in the appropriate position
Solution Approach 1:
The system performs preliminary actions by detecting all alignment images before printing the additional image, stores their positional information, and pre-calculates the appropriate printing position based on the detected alignment images. This preliminary detection and calculation phase resolves the positional relationship issues before the actual additional printing occurs.
Solution Approach 2:
The system implements feedback by detecting the actual positions of multiple alignment images on the transfer medium, comparing them with expected positions, and using this feedback information to determine the correct position for printing the additional image. The detection results directly influence the printing position calculation.
2Manufacturing precision
If alignment images are detected and read to determine the position of the additional image, then the positioning accuracy improves, but the time required for detection and processing increases
Solution Approach 1:
The system performs preliminary detection of alignment images and stores their positional information before the actual additional printing process. By preparing and storing alignment image data in advance, the system reduces the time required during the critical printing phase while maintaining high positioning precision.
Solution Approach 2:
The system uses the alignment images that are already present on the transfer medium to automatically determine the printing position without requiring external measurement tools or manual positioning. The alignment images themselves provide the reference information needed for accurate positioning.
Data Source
AI summary
Provided is an image forming device that performs additional printing, including: an image forming unit that prints an additional image on a transfer medium; a storage that stores information about an alignment image printed on the transfer medium; a reader unit that reads the alignment image printed on the transfer medium on an upstream side of the transfer direction of the transfer medium in the image forming unit; and a control unit that detects and distinguishes multiple alignment images upon reception of reading results from the reader unit. The control unit performs control of storing adjustment information for adjusting the position of the additional image to be formed, according to multiple alignment images, in the storage.