Printer Layout Control for Label and Continuous Paper Modes
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Solution Overview
Problem
Existing printer technologies face challenges in intuitively adjusting print layouts when switching between label roll paper and continuous paper modes, as users struggle to set equal top and bottom margins due to differing point of origin coordinates between the client terminal and the printer, leading to unnecessary offset compensation processes.
Innovation Solution
A control method for printers that determines the print medium mode and adjusts layout information accordingly, generating second layout information to align the target print area with the unit print area in the conveyance direction, allowing intuitive margin settings and preventing unnecessary compensation processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the printer uses the point of origin at the leading edge of the label for label roll paper mode, then the printing position can be accurately controlled based on label detection, but the margin settings become unintuitive and unequal top/bottom margins are required
Solution Approach 1:
The patent separates the coordinate system into two distinct systems: one for label roll paper mode with the origin at the leading edge of the label, and another for continuous paper mode with the origin at the center of the print area. This segmentation allows each mode to have its own optimized coordinate system without interference from the other mode's requirements
Solution Approach 2:
The patent dynamically switches between different coordinate systems based on the detected print medium type. When label roll paper is detected, the system uses the leading-edge-based coordinate system with offset compensation. When continuous paper is detected, it switches to the center-based coordinate system without offset compensation, making the margin settings intuitive and equal
2Manufacturing precision
If the printer applies offset position compensation process for label roll paper mode, then accurate printing on labels is achieved, but unnecessary compensation processes are executed when using continuous paper mode
Solution Approach 1:
The patent performs preliminary detection of the print medium type before executing the printing process. Based on this detection, it preliminarily determines whether offset compensation is needed, thereby avoiding unnecessary compensation processes when using continuous paper and ensuring accurate printing when using label roll paper
Solution Approach 2:
The patent changes the coordinate system parameters dynamically based on the print medium type. For label roll paper, it applies offset compensation parameters to align the printing position with the label's leading edge. For continuous paper, it uses standard coordinate parameters without offset compensation, improving processing efficiency
Data Source
AI summary
The user can configure the print layout intuitively, and prevent needlessly executing a compensation process based on the printer mode. A plug-in 22 that controls a printer 3 that prints to a target print area in each unit print area disposed in the conveyance direction of a continuous print medium has: a mode selector 51 that determines if the printer 3 prints based detecting each unit print area of the print medium; a layout acquisition unit 53b that acquires first layout information representing the location of the target print area in the unit print area; and a layout generator 54b that generates second layout information which differs from the first layout information in the conveyance direction of the print medium when the printer determines to print based on the position detection.