SATO WS4 WT312-400CW-EX1 203dpi Desktop Thermal Printer

The SATO WS4 WT312-400CW-EX1 is a compact desktop thermal printer engineered for enterprise-grade label production in high-volume shipping, manufacturing, and warehouse environments. Combining 203 dpi resolution with 6 ips print speed and a 4.09-inch maximum print width, this printer delivers sharp barcode and text output while maintaining operational efficiency. The dual-mode printing capability—supporting both direct thermal and thermal transfer—provides media flexibility for various labeling applications.

Key Features

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

4.09-inch maximum print width accommodates standard shipping and compliance labels

Dual printing modes: direct thermal and thermal transfer for media versatility

16 MB Flash and 32 MB SDRAM with 16 MB user-accessible storage for custom fonts and forms

Tool-free printhead and platen roller replacement minimizes downtime

Integrated LCD display for intuitive operation and job monitoring

Compact desktop form factor: 8.69" × 10.96" × 7.38"; weighs 5.46 lbs

Supports media rolls up to 5-inch outer diameter with 984 ft ribbon capacity

Media width range: 1" to 4.65" on 1-inch cores

Connectivity & Performance

Multiple connectivity options ensure seamless integration into existing enterprise networks. USB 2.0, RS-232C, Ethernet, Wi-Fi, and Bluetooth connectivity enable flexible deployment across workgroups and departments. The printer operates on standard AC 100-240V, 50/60Hz power and maintains reliable performance across 5°C to 40°C operating temperatures, making it suitable for diverse warehouse and manufacturing environments.

Applications

High-volume shipping and logistics label production

Manufacturing item identification and serialization

Warehouse inventory management and routing labels

Regulatory and compliance labeling (GHS, UPC, product tracking)

Healthcare and pharmaceutical barcode labeling

Technical Specifications

Print Method: Direct Thermal / Thermal Transfer

Resolution: 203 dpi

Print Speed: 6 inches per second

Maximum Print Width: 4.09 inches

Memory: 16 MB Flash, 32 MB SDRAM, 16 MB user storage

Interfaces: USB 2.0, RS-232C, Ethernet, Wi-Fi, Bluetooth

Media Capacity: 1" to 4.65" width; 5" max roll diameter

Ribbon Capacity: 984 ft (300 m)

Dimensions: 8.69" W × 10.96" D × 7.38" H

Weight: 5.46 lbs (2.48 kg)

Power: AC 100-240V, 50/60Hz

Operating Temperature: 5°C to 40°C (41°F to 104°F)

Karl Wilson

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

The SATO WS4 WT312-400CW-EX1 strikes an excellent balance between performance and practicality for mid-to-high-volume label environments. The 203 dpi resolution is the industry standard for barcode readability across GS1 and healthcare applications, while 6 ips throughput prevents bottlenecks in busy shipping departments. The dual thermal/transfer capability is particularly valuable for organizations that need both cost-effective direct thermal labels and durable thermal transfer labels within a single printer.

Tool-free maintenance and a compact footprint make this printer ideal for space-constrained operations. Multi-protocol connectivity (Ethernet, Wi-Fi, USB, Bluetooth) ensures compatibility with legacy and modern label management systems. For enterprises standardizing on SATO's WS4 series, this model offers proven reliability and ease of deployment.

Product Documentation