SATO FX3 203dpi Specialty Thermal Printer WWFX31241-WDB

The SATO WWFX31241-WDB is a rugged, feature-rich specialty thermal printer engineered for high-volume enterprise labeling in demanding environments. With 203 dpi resolution, 6 ips print speed, and support for media up to 3.15" wide, this portable printer delivers professional-quality barcodes, shipping labels, and compliance documentation. Its compact form factor (5.19" × 8.875" × 6.3125", 5.0 lbs) combined with dual power options—AC adapter or 14.4V Li-ion battery (1950 mAh)—makes it ideal for mobile and stationary operations.

Key Features

203 dpi resolution at 6 ips for sharp barcode and text output

Direct thermal printing with thermal transfer capability for maximum media flexibility

7" full-color touchscreen for intuitive PC-less operation

Anti-microbial casing and slip-resistant surface for hygienic, secure handling

Tool-free printhead and platen roller replacement to minimize maintenance downtime

IPx2 splash-proof rating and IK06 vandal rating for durability in harsh conditions

Multi-connectivity: USB, Ethernet, Wi-Fi, and Bluetooth for flexible deployment

HTTPS encryption for secure network communication

Technical Specifications

Print Resolution: 203 dpi

Print Speed: 6 ips

Maximum Print Width: 1.10"

Media Range: 1" to 3.15" width; up to 5.3" roll diameter

Ribbon Capacity: Up to 984 ft (300 m)

Memory: 512 MB Flash, 256 MB SDRAM, 256 MB user storage

Display: 7" full-color touchscreen

Connectivity: USB 2.0, Ethernet, Wi-Fi, Bluetooth

Power: AC adapter or 14.4V Li-ion battery (1950 mAh)

Operating Temperature: 41°F to 104°F

Durability: IPx2 splash-proof; IK06 vandal rating

Dimensions: 5.19" × 8.875" × 6.3125"

Weight: 5.0 lbs

Typical Applications

High-volume shipping and logistics labeling

Manufacturing identification and asset tracking

Warehouse inventory management and routing

Compliance and regulatory labeling

Healthcare and laboratory specimen labeling

Mobile field operations and on-site printing

Karl Wilson

Perspective based on aggregated IP Security Depot and affiliated engineering team experience.

The WWFX31241-WDB combines portability with enterprise-grade durability, making it an excellent choice for organizations requiring flexible labeling across multiple environments. The anti-microbial casing and slip-resistant surface address hygiene and safety concerns in food, pharmaceutical, and healthcare settings. Tool-free maintenance reduces total cost of ownership and enables rapid troubleshooting in high-throughput operations.

Dual thermal printing modes—direct and transfer—eliminate the need for separate devices when switching between label types. Multi-connectivity options (Ethernet, Wi-Fi, Bluetooth, USB) facilitate seamless integration into existing network infrastructures, while HTTPS encryption ensures secure label data transmission. The 7" touchscreen and portable design make this printer suitable for both fixed warehouse stations and mobile field operations, delivering versatility without sacrificing print quality or speed.

Product Documentation