In High Demand｜Mobile Thermal Printer | 4 Inch |SRK-M421| 203 dpi | Bluetooth｜ Other Products

The SRK-M421 4 Inch Mobile Thermal Printer is a compact and portable direct thermal printer designed for mobile and on-the-go printing applications. Featuring 203 DPI resolution, support for thermal paper and labels, and a 3000mAh battery, it provides a practical printing solution for field operations, retail, logistics, delivery, ticketing, and point-of-service applications.
The SRK-M421 supports Bluetooth connectivity, with Wi-Fi available as an optional interface, allowing convenient wireless integration with compatible devices. It supports a wide range of 1D and 2D barcode formats, including CODE128, EAN128, CODE39, CODE93, EAN13, EAN8, UPC-A, UPC-E, ITF14, EAN14, and QR Code, making it suitable for transaction, identification, and labeling applications.
With support for thermal paper and labels, monochrome PCX and BMP graphics, barcode printing, paper detection, and black mark detection, the SRK-M421 offers a versatile portable printing platform for businesses requiring reliable printing away from fixed desktop printers.
Features:

4-inch mobile direct thermal printer.

203 DPI print resolution.
Supports thermal paper and labels.
Bluetooth connectivity with Wi-Fi optional.

3000mAh battery for mobile operation.
Supports multiple 1D barcode formats.
Supports QR Code printing.
Supports monochrome PCX and BMP graphics.
Downloadable graphics through flash memory.
Transmissive sensor for paper detection.
Reflective sensor for black mark detection.
5V DC, 2A input.
Suitable for mobile and field printing applications.

Advantages:

Portable battery-powered design for mobile printing.
203 DPI resolution provides clear print output.
Wireless Bluetooth connectivity simplifies device integration.
Thermal paper and label support provides application flexibility.
Wide barcode support makes it suitable for retail and logistics.
QR Code support enables 2D barcode printing.
Compact design reduces dependency on fixed desktop printers.

Applications:

Mobile POS and receipt printing.
Retail and billing applications.
Logistics and delivery printing.
Warehouse barcode and label printing.
Field service documentation.
Ticket and transaction printing.
Inventory and asset identification.
Mobile business and point-of-service applications.

The SRK-M421 4 Inch Mobile Thermal Printer combines 203 DPI direct thermal printing, Bluetooth connectivity, barcode support, label printing, and a 3000mAh battery in a portable design for efficient mobile printing applications
Brand:SRK Innovation