SATO WS4-2 4-inch Desktop Label Printer

The SATO WS4-2 is a versatile 4-inch desktop label printer designed for organisations that need reliable label printing in a compact format, but with more media flexibility and operational capacity than a basic desktop printer. Suitable for healthcare, transport and logistics, retail, restaurants, food industry, automotive and manufacturing environments, the WS4-2 provides a practical balance of print quality, ease of use, integration flexibility and cost-conscious operation. Available in direct thermal and thermal transfer models, the WS4-2 supports a wide range of everyday business labeling tasks. The direct thermal model is suitable for short-life labels such as shipping, process, ticket or temporary identification labels, while the thermal transfer model is better suited to applications where ribbon-based printing is required for more durable output. With a maximum print width of 104 mm, the printer fits standard 4-inch label workflows including product labels, carton labels, shelf labels, inventory labels, dispatch labels and work-in-progress identification. The series includes the WS408-2 with 203 dpi resolution and the WS412-2 with 305 dpi resolution. The 203 dpi model supports print speeds up to 152.4 mm per second, making it a good fit for general-purpose barcode and text label production where throughput matters. The 305 dpi model supports speeds up to 102 mm per second and is better suited to labels requiring smaller text, denser barcode content or more refined print detail. This allows businesses to select the model based on whether speed or print definition is the higher priority. A key operational advantage of the WS4-2 is its flexible media handling. It supports roll or fan-fold die-cut labels, plain paper face stock, continuous stock, tags and tickets. The printer accepts media widths from 22.4 to 115 mm and supports both face-in and face-out media winding. The adjustable I-mark sensor, label gap sensor, label taken sensor and head open sensor help support consistent media detection and practical use across different label formats. Auto-calibration further simplifies setup when switching media. For thermal transfer applications, the WS4-2 supports ribbons up to 300 metres in length, which is a significant advantage compared with many compact desktop printers using shorter ribbons. This can reduce ribbon changes, support longer print runs and lower the operational interruptions associated with frequent consumable replacement. For mid-volume applications, this is one of the strongest reasons to choose the WS4-2 over a smaller entry-level desktop label printer. Ease of use is another important part of the design. Wide-open access, one-touch control, simple label setting, clear user indicators and easy maintenance make the printer practical for busy workstations where operators may not be specialist technical users. The thermal printhead and platen roller are designed for easy replacement, supporting faster service and reducing unnecessary downtime. The WS4-2 also offers strong integration for its class. Interface configurations include USB with LAN, or USB with RS232C and LAN depending on the model. Optional wireless LAN and Bluetooth provide additional flexibility where cable routing is difficult or where mobile workstation setups are required. Supported printer language emulations include SBPL, SZPL, SEPL, SDPL and SIPL, making the printer easier to integrate into existing label printing environments or replacement projects. Printer management is supported through the SATO Settings Utility for printer, network and wireless configuration, along with SNMPv2 and USB firmware upgrading. These tools help simplify configuration and ongoing maintenance, particularly where several printers are deployed across different workstations or departments. The WS4-2 supports a broad range of 1D and 2D barcode symbologies, including Code 128, GS1-128, GS1 DataBar, PDF417, MaxiCode, QR Code and GS1 Data Matrix. This makes it suitable for inventory control, shipping labels, product identification, food labeling, healthcare labeling and general traceability workflows where reliable barcode printing is required. Overall, the SATO WS4-2 is a capable 4-inch desktop barcode label printer for businesses that need dependable mid-volume label printing, flexible media support and easy integration without moving to a full industrial printer platform. It is especially well suited for workstations, packing areas, counters, light production zones and departmental printing points where reliability, adaptability and low cost of ownership are important.

Datasheet

Product Features

• Connection: USB, Serial, Ethernet
• Resolution: 203 dpi, 305 dpi

Product Identifiers

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