Zebra GK420t Reviews

Main advantage:

This versatile label printer can generate a maximum power of 100 W. Therefore, it is capable of providing a printing speed of up to 127 millimeters per second, which translates into good performance.

Main disadvantage:

It requires software to be installed on the computer before use, which could make it less practical compared to other models. However, drivers can be quickly downloaded from the manufacturer’s website.

Verdict: 9.9/10

This is an affordable label printer that offers thermal transfer technology, so it can deliver sharp, durable prints for added functionality.

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Main Features Explained


It is a machine to print small and medium labels that have basic information with black text and barcodes. For this reason, it is appropriate to place information in a large number of projects at a commercial, industrial, educational, food, administrative, aesthetic level, among others.

For added functionality, it allows the printer to be used on a wide variety of systems and local networks, making it easy to install. In this sense, it is compatible with 32 and 64-bit Windows operating systems and includes a USB cable to connect the printer to the computer quickly and easily. Therefore, it offers some of the most popular connectivity options today.

On the other hand, it is important to mention that it can print at a speed of up to 127 millimeters per second and offers a resolution of 203 x 203 dpi, so it is capable of printing text clearly to provide good legibility.

Also, it has an internal memory of 8 MB, enough for the printer to remember data in case of power outages or operating problems. Similarly, this increases the processing speed, which in turn improves the overall performance of the device.


This is a thermal transfer machine, meaning it uses a hot ribbon to produce highly durable black text, so based on different people’s opinions, this is the best label printer out there right now.

Among the benefits of thermal transfer is the fact of being able to print on a wide variety of materials, which represents an advantage over printers that only use matte paper, a material that generates color loss in information over time.. On the contrary, this machine is compatible with a wide variety of papers, including vinyl and polyester.

Therefore, it is suitable for printing labels with barcodes, informative texts, and batch numbers for cosmetics, food, premium beverages, industrial products, and more. It is also suitable for marking prices, registering gifts, printing coupons, creating parking passes and providing boarding passes, as well as labeling pharmaceutical prescriptions, health samples and visitor identification. 

However, we must mention that it is compatible with paper rolls that have a maximum diameter of 12.7 cm, which you should consider when purchasing spare parts.


Label printers have gained popularity over the years due to their compact designs and great versatility. In the case of this printer, it has a small footprint measuring just 19.1 cm high, 19.4 cm wide and 25.4 cm deep, making it suitable for use in production shops, packaging sites, offices and other rooms that do not have a lot of space to store large machinery.

On the other hand, it is a robust printer, as it offers a robust and rigid structure with a plastic casing, so that it can withstand continuous use. In this sense, it is suitable for use in warehouse environments with constant movement. It also weighs only 2.1 kg to transport it from one place to another easily and without causing fatigue.

On the other hand, on the back it has a USB port and on the sides it incorporates quick-release latches, which by simply pulling them and lifting the lid allow you to open the main compartment of the printer. This favors practicality when changing the paper roll or carrying out internal maintenance of its structure. Also, at the top it has a status light that turns on when the equipment is active.

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