What is the difference in the use of color mixed base carbon bands of inner carbon and outer carbon?

2026-09-24 13:56
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The difference between the color mixed base carbon strip of inner carbon and outer carbon in use is mainly reflected in the following aspects:


1. Structure and contact mode

Inner carbon: The inner carbon color mixed base carbon strip usually refers to the carbon strip that has the ink side and touches the axis of the carbon strip. This design allows the ink to contact the print head more directly during the printing process, thus achieving the transfer of ink.

Outer carbon: The outer carbon color mixed base carbon strip refers to the ink-free surface and shaft touching the carbon strip. This design may require a certain mechanism (such as the pressure or heat of the print head) to make the ink layer contact with the printed paper to achieve printing.

2. Printer compatibility

Most bar code printers and label printers on the market can use color mixed base carbon strips of inner or outer carbon, but there are some specific printer models or brands that may only support one type of carbon strip. Therefore, when selecting a carbon strip, it is necessary to ensure its compatibility with the printer.

3. Service life and cost

In general, there may be some differences in the service life of the color mixed base carbon strip of inner carbon and outer carbon, but it depends on the material of the carbon strip, the production process and the conditions of use of the printer. However, this difference is not absolute, as different brands and models of carbon bands may differ in these aspects.

In terms of cost, the price of color mixed base carbon strips of inner and outer carbon may also vary depending on factors such as brand, model and quality. In the selection, it is necessary to make comprehensive consideration according to actual demand and budget.

4. Print effect

In terms of printing effect, the color mixed base carbon strip of inner carbon and outer carbon can provide clear and bright printing effect in most cases. However, the specific printing effect also depends on the performance of the printer, the type of printing media and the setting of printing parameters.

5. Maintenance and replacement

In terms of maintenance and replacement, color mixed base carbon strips of inner and outer carbon may need to follow different operating codes. For example, when replacing a carbon tape, you need to ensure that the type of new carbon tape is compatible with the printer and that you follow the correct steps for installation and commissioning.


In summary, the difference between the color mixed base carbon strip of internal carbon and external carbon in use is mainly reflected in the structure and contact mode, printer compatibility, service life and cost, printing effect, maintenance and replacement. In the selection, need to be based on the actual demand and printer model for comprehensive consideration.