a printer

Abstract

The invention provides a printer. The printer comprises an upper shell module and a lower shell module; a label paper inlet for feeding outer hanging labels is formed in the back end of the lower shell module; a label frame paper clamping mechanism is arranged in the lower shell module, and includes a label frame and left and right two poking discs; the left and right two poking discs oppositely or reversely move through a transmission mechanism; and the lower shell module is provided with a fixing mechanism for fixing the two poking discs in the left and right end positions. The label paper inlet is formed in the back end of the lower shell module for adapting to feeding of external labels; and when the poking discs move left and right to reach maximum values, the fixing mechanism is used for fixed limiting to reserve a channel for the external labels to prevent wrinkling of the labels caused by left-right movement of the poking discs to influence the printing quality, so that the generality of the printer is improved.

Description

technical field [0001] The invention belongs to the technical field of printers, and in particular relates to a printer. Background technique [0002] Label printer is a device that prints barcode, two-dimensional code, graphics, text and other image information on labels by means of thermal and thermal transfer printing. It is widely used in POS terminal systems, banking systems, medical instruments and other fields. [0003] There are two situations when existing label printers use external labels: 1. External labels cannot be used, and the printer cannot be used universally for labels of different types, and other printers need to be replaced. 2. External labels can be used, but when using external labels, because the label clamping structure moves left and right to the maximum value, it cannot be limited, and there is a risk of creasing the label, which will affect the printing quality. In addition, most printers do not have an automatic return dial, but use the traditi...

AI Technical Summary

Problems solved by technology

[0003] There are two situations when existing label printers use external labels: 1. External labels cannot be used, the printer cannot be used universally for different types of labels, and other printers need to be used

2. External labels can be used, but when using external labels, because the label clamping structure moves left and right to the maximum value, it cannot be limited, and there is a risk of creasing the label, which will affect the printing quality.

In addition, most printers do not have an automatic return dial, but use the traditional manual adjustment plate to achieve the adjustment of different label widths. The adjustment plate and the body can be separated and easily lost. At the same time, it is not easy to fix it in the printing center after manual adjustment. The operation is inconvenient, which may cause bad phenomena such as printing can not be centered

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