SATO WS4 WD312-405NB-EX1-2 203dpi Desktop Thermal Printer

The SATO WS4 WD312-405NB-EX1-2 is a robust desktop thermal printer engineered for high-volume enterprise label production. With 203 dpi resolution and 6 inches-per-second print speed, this compact system delivers professional-quality barcodes, text, and graphics while maintaining a small footprint ideal for warehouse, manufacturing, and logistics environments. Supporting both direct thermal and thermal transfer printing modes, the WD312-405NB-EX1-2 provides exceptional media flexibility for diverse labeling applications without requiring hardware reconfiguration.

Key Features

• 203 dpi resolution at 6 ips for sharp barcode and text output
• Dual-mode printing: direct thermal and thermal transfer
• 4.09" maximum print width accommodates standard shipping and product labels
• Supports media rolls up to 5" outer diameter with 1" core size
• Thermal transfer ribbons up to 984 feet (300 m) capacity
• 16 MB Flash, 32 MB SDRAM, 16 MB user storage for forms and fonts
• Tool-free printhead and platen roller replacement for minimal maintenance downtime
• Multiple connectivity options: USB 2.0, Ethernet, Wi-Fi, and Bluetooth
• Intuitive LCD display for easy operation and status monitoring
• Compact desktop form factor: 8.69" x 10.96" x 7.38", weighs 5.46 lbs

Technical Specifications

• Print Resolution: 203 dpi
• Print Speed: 6 inches per second
• Maximum Print Width: 4.09 inches
• Media Width Range: 1.0 to 4.65 inches
• Media Core Size: 1 inch
• Maximum Roll Diameter: 5 inches
• Memory: 16 MB Flash, 32 MB SDRAM, 16 MB user-accessible storage
• Interfaces: USB 2.0, RS-232C, Ethernet, Wi-Fi, Bluetooth
• Power Input: AC 100-240V, 50/60Hz
• Operating Temperature: 5°C to 40°C (41°F to 104°F)
• Dimensions: 8.69" W x 10.96" D x 7.38" H
• Weight: 5.46 lbs (2.48 kg)

Ideal Applications

• High-volume shipping and logistics labeling
• Manufacturing product identification and asset tracking
• Warehouse inventory management and routing labels
• Compliance and regulatory labeling requirements
• Retail and e-commerce fulfillment operations

Karl Wilson

Perspective based on aggregated and affiliated engineering team experience.

The SATO WS4 WD312-405NB-EX1-2 represents a balanced solution for organizations requiring reliable thermal printing without enterprise-scale complexity. Its 203 dpi resolution meets standard barcode and shipping label requirements, while 6 ips throughput suits moderate-to-high volume operations. The dual thermal printing modes eliminate the need for separate equipment when transitioning between media types.

Tool-free consumable replacement and compact dimensions make it practical for space-constrained environments. Multi-protocol connectivity—including Wi-Fi and Bluetooth alongside traditional USB and Ethernet—enables flexible network integration. The 32 MB SDRAM and 16 MB user storage provide adequate capacity for standard font libraries and form templates.

Operating temperature range of 5°C to 40°C ensures compatibility with standard climate-controlled facilities. This printer is particularly well-suited for mid-market logistics providers, manufacturers, and retailers seeking a dependable, maintainable thermal labeling solution with minimal training requirements.

Product Documentation