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 IP Security Depot 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