Thermal Printer Ribbon Saving via Multi-Layout Analysis
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Solution Overview
Problem
Existing ribbon transfer type printers inefficiently reduce ink ribbon consumption as they determine ribbon saving based solely on the dimension of the non-printing area in a single printing layout, leading to suboptimal ink usage.
Innovation Solution
A printer system that includes a thermal head, platen roller, ribbon transport unit, clamping mechanism, acquisition unit, and control unit, which acquires first and second print data, specifies non-printing areas, and controls the clamping mechanism to separate the ink ribbon when the non-printing area exceeds a predetermined threshold, optimizing ribbon saving by stopping transport during non-printing areas with sufficient dimensions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the printer stops ink ribbon transport during non-printing areas based solely on single printing layout dimension, then the ribbon saving function is simplified to operate, but ink ribbon consumption cannot be efficiently reduced
Solution Approach 1:
The printer divides the printing task into multiple printing layouts (first printing layout, second printing layout, etc.) and analyzes non-printing areas in each layout separately. The control unit accumulates non-printing area dimensions across multiple layouts to determine whether to stop ink ribbon transport, enabling more precise and efficient ribbon saving decisions based on comprehensive rather than single-layout information
Solution Approach 2:
The control unit performs preliminary analysis of non-printing area dimensions across multiple printing layouts before making the decision to stop ink ribbon transport. By accumulating and evaluating dimension information in advance, the system determines the optimal timing for ribbon saving operation, ensuring that ribbon transport is stopped only when the cumulative non-printing area meets the stopping condition
2Productivity
If the printer continuously transports the ink ribbon during all printing operations, then the printing process is simplified and continuous, but ink ribbon consumption increases unnecessarily in non-printing areas
Solution Approach 1:
The printer implements periodic action by alternating between ink ribbon transport and stop states based on the printing phase. During printing areas, the ink ribbon is transported continuously to maintain printing productivity. During non-printing areas where cumulative dimension meets stopping conditions, the ink ribbon transport is temporarily stopped to reduce consumption. This periodic alternation optimizes both productivity and ribbon savings
Solution Approach 2:
The control unit applies different transport control strategies to different areas of the printing process. In printing areas, continuous ribbon transport maintains productivity. In non-printing areas with sufficient cumulative dimension, ribbon transport is stopped to reduce consumption. This localized quality control ensures optimal performance in each specific printing phase
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
This approach effectively reduces ink ribbon consumption by selectively stopping the ink ribbon transport during non-printing areas with dimensions above a threshold, enhancing the efficiency of ribbon saving in multi-label printing scenarios.
Implementation Method 1
a thermal head configured to thermally transfer ink of an ink ribbon to a label
Data Source
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AI summary
According to one embodiment, a thermal head is provided opposite to a platen roller. A ribbon transport unit transports an ink ribbon between the thermal head and the platen roller. A transport unit transports a sheet carrying a label between the thermal head and the platen roller. A clamping mechanism clamps the ink ribbon, a printing area of the label and the sheet in the thermal head and the platen roller. An acquisition unit acquires first print data to be printed on a first label and second print data to be printed on a second label. A non-printing area specifying unit specifies a non-printing area on the sheet, based on the first print data and the second print data. The control unit separates the ink ribbon and the sheet when it is transported between the thermal head and the platen roller, and stops the transport of the ink ribbon.