Reliable 4-Inch Barcode & Tag Printing for Retail, Logistics & Healthcare

The Sewoo LK-B20II is a 4-inch thermal transfer and direct thermal label printer designed for stable and consistent barcode printing. With 203 DPI resolution and print speed up to 127 mm/sec, it is suitable for retail, warehouse, logistics, healthcare, and industrial labeling applications.

Ready stock available in UAE.

Overview

The LK-B20II supports both thermal transfer and direct thermal printing, allowing flexibility based on label durability requirements.

Standard connectivity includes USB, Serial (RS-232C), and Ethernet. Optional Wi-Fi and Bluetooth modules are available.

The 300 DPI version is available as LK-B230II for applications requiring higher print detail.

Key Specifications (LK-B20II)

• Printing Method: Thermal Transfer & Direct Thermal
• Resolution: 203 DPI (8 dots/mm)
• Print Speed: Up to 127 mm/sec
• Maximum Print Width: 104 mm (4.1”)
• Maximum Print Length: 1,000 mm
• Memory: Flash 1MB / SDRAM 16MB

Media & Ribbon Support

• Media Type: Roll, Fanfold, Tag, Blackmark, Continuous, Gap, Notch
• Media Width: 18 ~ 118 mm
• Media Thickness: 0.06 ~ 0.20 mm
• Ribbon Width: 33 ~ 110 mm
• Ribbon Length: 360 m

Connectivity

Standard:
• USB
• Serial (RS-232C)
• Ethernet

Optional:
• Wi-Fi (802.11 a/b/g/n)
• Bluetooth 4.2 + BLE

Barcode & 2D Support

Supports major 1D and 2D symbologies including Code39, Code128, EAN-13, UPC, QR Code, PDF417, Data Matrix, AZTEC and others.

Applications

• Retail price labeling
• Shipping & logistics
• Warehouse barcode labeling
• Healthcare & pharmacy
• Manufacturing tags
• Asset labeling

Downloads

• Download Sewoo LK-B20II Windows Driver
• Download Sewoo LK-B20II Label Utility Software
• Download Sewoo LK-B20II LabelCooker Software

Why Buy from REPRONIX®

• UAE-based supplier with ready stock availability
• Genuine Sewoo hardware sourced through authorized distribution channels
• VAT-compliant invoicing
• Technical pre-sales consultation available
• Transparent warranty and support terms
• No misleading specifications or exaggerated claims

We focus on providing practical, business-ready printing solutions with long-term reliability.

Internal Links

• View all Sewoo Label Printers
• Explore Industrial Barcode Printers
• Shop Thermal Transfer Ribbons

FAQ - Sewoo LK-B20II

Q: What is the difference between LK-B20II and LK-B230II?
A: LK-B20II offers 203 DPI resolution, while LK-B230II provides 300 DPI for higher detail label printing.

Q: Does the printer support both thermal transfer and direct thermal?
A: Yes. It supports both printing methods depending on ribbon and media type.

Q: Is the printer compatible with Windows and Mac?
A: Yes. Windows, Linux, and Mac drivers are supported.

Contact REPRONIX®

For availability confirmation, bulk pricing, or technical assistance:

Email: info@repronix.com
WhatsApp: +971 50 739 1234

Disclaimer

Specifications and optional modules may vary by configuration. Optional accessories such as Wi-Fi, Bluetooth, cutter, or peeler may require separate configuration. Please verify compatibility before purchase.

Last Updated: 16 February 2026