Especificaciones técnicas

Expansion and connectivity
Printer connectivitySerial, USB, Ethernet
Dimensions and weight
Dimensions15.2x20.4x15 cm.
Weight1.70 Kg.
Other information
Technology
CopiesPrinter speed 220 mm/s, CPP 203
Paper managementPaperwidth 80mm, Cut auto

Descripción del producto

The SEWOO TK-21EB is a professional thermal receipt printer for POS systems, designed for point-of-sale environments that require speed, reliability, and advanced connectivity in daily commercial operations. With a print speed of 220 mm/s and a resolution of 203 characters per inch, it guarantees fast and sharp ticket output even during the busiest periods and highest activity levels. It supports 80 mm wide thermal paper and features an automatic paper cutter that optimises customer service flow without interruptions or manual intervention. Connectivity is one of its key strengths: it incorporates serial and USB interfaces as well as wired network connection, enabling integration in environments with multiple POS terminals or shared network use within the same establishment without requiring a direct cable connection to each workstation. Its black casing and compact format make it easy to place on any counter or workspace with minimal visual and spatial impact. A versatile refurbished thermal printer ready for commercial environments of any scale, prepared for immediate integration into any retail, hospitality, or networked commercial setup.
Good exterior condition. If you have any questions, please call us or use our chat to get more information or to request further details.

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Our refurbishment process

Each device goes through 15 technical checks in our factory in A Coruña, under ISO 9001 and ISO 14001 standards, before being shipped to the customer.

1 Receipt

Receipt of the device and initial verification of the batch and documentation.

2 Traceability

Internal registration, labelling and serial number to ensure traceability of each unit.

3 Visual inspection

Inspection of the chassis, ports, hinges and external components to classify the cosmetic grade.

4 Professional cleaning

Internal and external cleaning adapted to the type of device, using specific products.

5 Board and connections

Check of the motherboard, internal connections and overall system operation.

6 CPU and memory

Processor and RAM tests under load, when applicable to the product.

7 Storage

Check of the SSD, M.2 or hard drive and replacement with a new unit if it does not pass the tests.

8 Graphics

Graphics card and video output tests according to the device configuration.

9 Ports and connectivity

Inspection of ports, slots, wired network and available wireless connectivity.

10 BIOS and firmware

BIOS or firmware check and update to the manufacturer’s latest stable version.

11 Operating system

Installation of an operating system with an official licence when applicable to the model.

12 Security

Application of critical security updates before being put up for sale.

13 Performance

Performance and stability tests according to the type of device and its intended use.

14 Final quality control

Final validation of the device and stability check before approving it for sale.

15 Packaging and shipping

Secure packaging and order preparation for mainland shipping in 24–48 h.