K G B CH421 (UEWB) 4-Inch Thermal Label & Receipt Printer – USB, LAN, Wi-Fi & Bluetooth

K G B CH421 (UEWB) is a versatile 4-inch desktop thermal printer designed for business labelling and receipt applications. It supports Direct Thermal and Thermal Transfer printing, with up to 120 mm print width, 203 DPI resolution and printing speeds up to 250 mm/s. With USB, Ethernet/LAN, Wi-Fi and Bluetooth connectivity, it is suitable for barcode labels, shipping labels, product labels, inventory labels and receipts. Compatible with Windows, Android and iOS through supported drivers and software.

K G B CH421 (UEWB) 4-Inch Thermal Label & Receipt Printer

The K G B CH421 (UEWB) is a professional desktop thermal printer designed for businesses that need reliable printing of labels, barcodes, receipts and other essential business information. Its flexible printing options and multiple connectivity interfaces make it suitable for retail, ecommerce, warehouse, logistics, inventory and office applications.

Direct Thermal & Thermal Transfer Printing

The printer supports both Direct Thermal and Thermal Transfer printing methods. Direct Thermal printing works without ink or toner, while Thermal Transfer printing can be used with compatible ribbons for applications requiring different types of label media and longer-lasting prints.

Up to 120 mm Printing Width

With support for printing widths of up to 120 mm, the K G B CH421 can handle a wide range of compatible media, including shipping labels, product labels, barcode labels, stock labels and continuous thermal paper.

Multiple Connectivity Options

The printer provides a wide range of connection options:

USB
Ethernet / LAN
Wi-Fi
Bluetooth

This makes it convenient for use with different computers, mobile devices and business setups. Actual functions may vary depending on the operating system, driver and compatible printing software.

Clear 203 DPI Printing

The 203 DPI print resolution provides clear and readable output for everyday business requirements such as:

Product information
SKU codes
Barcodes
QR codes
Inventory codes
Batch information
Shipping details
Price and identification labels

Label & Receipt Printing

The K G B CH421 is designed to work with compatible die-cut labels and continuous thermal media, allowing businesses to use one printer for multiple printing requirements.

It can be used for:

Shipping labels
Product labels
Barcode labels
Shelf labels
Stock and inventory labels
Batch labels
Identification labels
Receipts

Suitable for Different Business Environments

The printer is suitable for retail counters, ecommerce packing stations, warehouses, logistics operations, manufacturing units, inventory departments and offices.

Its desktop design makes it suitable for fixed installation on a counter, desk or workstation.

Desktop Powered Printer

The K G B CH421 is designed as a powered desktop printer and does not have built-in battery backup. It is intended for regular use at a fixed workstation with an appropriate power connection.

Media & Software Compatibility

For proper operation, use compatible label media and, when using Thermal Transfer mode, the appropriate thermal-transfer ribbon. Driver, operating-system and software compatibility should be checked before installation.

Important: Printing performance, supported media sizes and available features may vary according to the connected device, driver and printing software.