SEIKO DPU-S445 Mobile Printer 4 inch Direct Thermal

The SEIKO DPU-S445 is a rugged, portable direct thermal printer designed for mobile receipt and label printing. With a compact form factor and a maximum print width of 104 mm (4 inches), it is ideal for retail, hospitality, field service, and logistics applications. The printer supports USB 2.0 and RS-232C interfaces, with optional Bluetooth 2.1+EDR for wireless connectivity. It features a durable design with 1.5-meter drop resistance and a rechargeable Li-ion battery for all-day operation.

Advantages

High-speed printing at up to 90 mm/s ensures efficient workflow. The 203 dpi resolution delivers crisp text and barcodes. Drop resistance and wide operating temperature range (-10°C to 50°C) make it suitable for demanding environments. ESC/POS emulation ensures compatibility with existing systems.

Suitable for

• Mobile point-of-sale (POS) systems
• Field service ticketing
• Warehouse and logistics labeling
• Hospitality order printing

Key specifications

• Print Technology: Direct Thermal
• Print Speed: Up to 90 mm/s
• Print Resolution: 203 dpi
• Max Paper Width: 112 mm (4.4 inches)
• Max Print Width: 104 mm
• Interface: USB 2.0, RS-232C (Serial), optional Bluetooth 2.1+EDR
• Emulation: ESC/POS compatible
• Barcode Support: UPC-A/E, JAN/EAN-8/13, ITF, CODE39, CODE128, CODABAR, QR Code, PDF417
• Power: AC Adapter, Rechargeable Li-ion Battery (7.4V, 2000 mAh)
• Drop Resistance: 1.5 meters
• Operating Temperature: -10°C to 50°C
• Buffer Memory: 128 KB
• Print Head Life: 50 km
• OS Compatibility: Windows, Android, iOS (via SDK)

Recommendations

For optimal performance, use genuine SEIKI thermal paper rolls. The optional Bluetooth module enables wireless printing from smartphones and tablets. This printer is a reliable choice for mobile printing needs.