Printer Cutter Assembly Synchronization for Continuous Media Separation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing printing technologies face delays and inefficiencies due to the need to separate and reposition media rolls during the printing process, as cutting mechanisms often require interrupting the print process or relocating the media, which can cause substantial delays.
Innovation Solution
A printer system with an integrated control circuit and cutter assembly that allows for seamless separation of printed media portions during the printing of subsequent portions by cutting between media advance movements, using a cutter assembly with cutter wheels and a cauterization device, and a control circuit that synchronizes cutting with the printhead scanning movement to maintain continuous printing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate cutter device is used to cut media rolls, then cutting function is achieved, but printing process is interrupted and substantial delays occur
Solution Approach 1:
The patent combines the cutter device with the printer to create an integrated system. The cutter assembly is positioned within the printer housing and coordinated with the printhead assembly, allowing cutting operations to occur during printer idle periods without requiring separate external equipment or interrupting the printing workflow.
Solution Approach 2:
The system performs cutting operations during idle periods between printing jobs or during non-critical phases of the printing process. By utilizing these preparatory time windows, the cutter is activated in advance or between printing cycles, ensuring that cutting is completed before the next printing operation begins, thus maintaining continuous productivity.
2Manufacturing precision
If media rolls are repositioned for cutting after printing, then accurate cutting is achieved, but substantial delays occur due to repositioning
Solution Approach 1:
The cutter assembly is integrated into the printer structure with the printhead assembly, sharing common support mechanisms and media handling systems. This integration eliminates the need for separate repositioning operations, as the cutter and printhead operate from the same positioned platform, allowing cutting to occur at the exact print location without additional repositioning time.
Solution Approach 2:
The system maintains continuous media feed and positioning throughout the printing and cutting process. The media roll remains in a consistent position while the cutter assembly coordinates its movements with the printhead, enabling cutting operations to proceed without interrupting the media flow or requiring stopping and repositioning, thus maintaining continuous productive action.
3Productivity
If cutting is performed between media advance movements, then continuous printing is maintained, but precise synchronization is required
Solution Approach 1:
The control circuit receives position feedback from encoders on the media drive system and printhead assembly, and uses this information to dynamically adjust cutter activation timing. The system continuously monitors media position and Printhead movement, and triggers cutting operations at precisely calculated moments when media is stationary between advance movements, ensuring accurate cutting without interrupting the overall printing flow.
Solution Approach 2:
The cutter assembly is designed with dynamic positioning capabilities that allow it to move independently or in coordination with the printhead assembly. The cutter can be rapidly positioned and activated during brief idle periods between media advances, with its movement and cutting action dynamically synchronized to the printing cycle through coordinated control of multiple moving components.
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
Enables continuous printing without interrupting the process, allowing for efficient separation and finishing of media portions, reducing delays and improving overall printing efficiency by integrating cutting and cauterization functions within the printing process.
Implementation Method 1
a cauterization device to seal the cut edges of the media portions
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
A primer, a method, and a non-transitory computer-readable storage medium are described. An example non-transitory computer-readable storage medium stores instructions that, when executed by a processor, cause the processor to instruct a printer to advance a media by a first distance. The instructions, when executed, also cause the processor to instruct the printer to advance the media by a second distance different than the first distance to align the media with a cutter assembly. The instructions, when executed, also cause the processor to adapt an interleave mask based on the second distance. The instructions, when executed, also cause the processor to instruct the cutter assembly to separate a first portion of the media from a second portion of the media while the printer is printing on the media.