Request a Price Match
Found it cheaper? Let us know your target price and we’ll review it.
Price Match Submitted!
Our team will review and respond within 1 business hour.

WD312-400DW-EX1 - SATO WS412 4-Inch 305dpi Direct Thermal USB / Serial / Ethernet Desktop Label Printer
Product Overview
The SATO WD312-400DW-EX1 is a WS412 4-inch direct thermal desktop label printer with a 305 dpi printhead. A label dispenser is fitted, so labels present peeled and ready to apply. USB and LAN are standard, with RS-232C also provided. Tech Seller USA supplies this part in tested and verified refurbished condition, for single units or volume orders.
Key Specifications
Resolution is 305 dpi (12 dots/mm), print speed is up to 4 ips (102 mm/sec), maximum print width is 4.09 in (104 mm) and media width runs from 0.88 to 4.53 in (22.4 to 115 mm). Memory is 16 MB Flash ROM with 128 MB RAM, and a label dispenser handles peeled output. USB and LAN are standard along with RS-232C, and optional wireless LAN b/g/n and Bluetooth are available. The printer measures 7.24 x 8.89 x 6.54 in (183.8 x 225.9 x 166 mm), weighs 3.84 lbs (1.74 kg) and operates from 41 to 104 F (5 to 40 C).
What's Included / Condition
Each WD312-400DW-EX1 ships in refurbished condition, function-tested prior to shipment, and covered by our standard 30-day warranty. For same-day dispatch, contact Sarah Jane at sarah.jane@techsellerusa.com.
Compatibility & Use Case
The 305 dpi head and peel-and-present dispenser suit small labels with fine print, such as lab specimens, pharmacy labels and retail tags. A like-for-like replacement where a WS412 is already in place and the label stock, drivers and software are unchanged.
| Identification | |
| SKU | WD312-400DW-EX1 |
| Part Number (MPN) | WD312-400DW-EX1 |
| Brand | SATO |
| Product Family | WS412 |
| Product Type | Desktop Label Printer |
| Condition | Refurbished |
| Warranty | 30-Day Tech Seller USA |
| Technical Specifications | |
| Interface / Speed | USB and LAN standard, RS-232C; optional wireless LAN b/g/n and Bluetooth |
| Print Method | Direct Thermal |
| Print Resolution | 305 dpi |
| Print Speed | Up to 4 ips (102 mm/sec) |
| Max Print Width | 4.09 in (104 mm) |
| Max Media Width | 0.88 - 4.53 in (22.4 - 115 mm) |
| Memory | 16 MB Flash ROM, 128 MB RAM |
| Connectivity & Interfaces | |
| Connectivity | USB, Serial, Ethernet |
| Power & Environmental | |
| Operating Temperature | 41 to 104 F (5 to 40 C) |
| Physical | |
| Dimensions | 7.24 x 8.89 x 6.54 in (183.8 x 225.9 x 166 mm) |
| Weight | 3.84 lbs |
Shipping Information
| Standard Shipping | Ships in 3–5 business days. Free shipping up to 10 lbs within the US |
| Expedited Shipping | Rates calculated at checkout |
| Overnight | Rates calculated at checkout |
| Tracking | Email tracking for all orders |
| International | Available, rates calculated at checkout |
Returns Policy
What customers ask before ordering
Everything you need to know about ordering from Tech Seller USA.



