FREE shipping on all orders over $499

In-stock products will ship within 48 hours from the U.S. warehouse on most orders

FREE shipping on all orders over $499

In-stock products ship within 48 hours on most orders


Build & price SATO WS4 desktop thermal printers for your application

The WS4 Series is an affordable and feature-rich 4-inch thermal desktop printer with a high production throughput.

  • It comes in two models, thermal transfer (TT) or direct thermal (DT), and prints labels, receipts, tags, and wristbands at 203 or 300 dpi resolution.
  • The WS4 has USB, RS232, and Ethernet interfaces as standard, with optional Bluetooth or 802.11 WLAN communications.
  • It also offers label cutter and dispenser options.
  • The WS4 printers are configured with on-board competitive emulations (SBPL, SZPL, SEPL, SDPL, SIPL), with auto-detection of the command stream being used.

Explore full features and specifications

Starts at $392
FREE shipping on orders over $499
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Build and price your WS4

Our selector tools were developed to help you easily find the right SATO printer model based on the criteria you’re looking for.

Select all the WS4 options you’re interested in to configure a printer based on resolution, print method, media handling technology, and communication interface. When you’re finished, simply click “Build my printer”, and the printer with all the options you’ve chosen will be displayed.

You can always reconfigure a printer at any point in the process, all from the comfort of your office or home and at the best price around!

Choose your printer resolution

Choose media handling

Choose communication interface

WS4 easy to use


  • Compact footprint for easy placement
  • High-speed throughput of up to 6 ips
  • Firmware download via USB for easy updates
  • Simple platen and print head replacement
  • Three-color status LED for clear printer status indication
WS4 flexible and capable

Flexible label and ribbon handling

  • Compatible with wound-in or wound-out labels and ribbons
  • Adjustable I-mark sensor for precise label positioning
  • Versatile ribbon core sizes (0.5” or 1.0” ID)
  • 984 feet ribbon capability for high-volume printing
WS4 many connectivities

Advanced connectivity

  • Comes with Ethernet, USB, and RS232 interfaces as standard
  • Optional Bluetooth or Wireless LAN for enhanced connectivity
  • Supports IPv4/IPv6
  • Features multiple printer emulations (SZPL, SEPL, SDPL, SIPL)
WS4 cerner validated

Cerner validated

Fully Cerner Validated for native use within the Cerner health IT system, ensuring safety, quality, and efficacy for patients. Designed for use throughout the healthcare supply chain, they are ideal for printing patient wristbands, pathology labels, and other labels in hospitals.

SATO is a GS1 Healthcare member promoting serialization for patient safety and comfort.

WS408 (203 dpi) WS412 (300 dpi)
Method Direct Thermal or Thermal Transfer
Mode Continuous, Tear-off, Cutter, Dispenser
Speed 6 ips
(up to 152.4 mm/sec)
4 ips
(up to 101.6 mm/sec)
Print area
Maximum width 4.09″ (104 mm)
Maximum length 39.33″ (999.0 mm)
Printer Memory Flash ROM: 16MB, RAM: 32MB
Dimension TT Model: W: 8.69″ (220.6 mm) D: 10.96″ (278.5 mm) H: 7.38″ (187.5 mm)
DT Model: W: 7.24″ (183.8 mm) D: 8.89″ (225.9 mm) H: 6.54″ (166.0 mm)
Weight DT Model: 3.88 lbs. (1.74 kg) / TT Model: 5.46 lbs. (2.48 kg)

Sensor type Adjustable I-Mark Sensor (Reflective), Label Gap Sensor (Transmissive), Label Taken Sensor (Dispenser Option)
Media type Roll or Fan-fold Die Cut Labels, Plain Paper Face Stock, Synthetics and Continuous Stock, Ticket
Media Thickness (label & liner)
0.002” – 0.007” (0.06 mm – 0.19 mm)
Roll diameter
Roll max. outside diameter: 5.0” (127.0 mm),
Core diameter: 1.0” / 1.5″ (25.4 mm / 38.1 mm)
0.88″ (22.4 mm) to 4.53″ (115.0 mm)
TT/DT: 0.31″ (10.0 mm) to 39.21″ (996.0 mm)
TT/DT: 0.31″ (25.4 mm) to 39.21″ (996.0 mm)
DT mode on TT model: 1.18″ (30.0 mm) to 39.21″ (996.0 mm)
TT/DT: 0.76″ (25.4 mm) to 39.09″ (993.0 mm)
DT mode on TT model: 1.37″ (35.0 mm) to 39.09″ (993.0 mm)
TT/DT: 0.92″ (25.4 mm) to 5.92″ (150.4 mm)
DT mode on TT model: 1.37″ (35.0 mm) to 5.92″ (150.4 mm)
Ribbon (TT model) Length
Max. 984.2 ft (300m) center justified
Core diameter
0.5″ (12.7 mm) for 100m (328.0 ft) / 1.0″ (25.4 mm) for 300m (984.2 ft)
Wind direction
Face-out/face-in, no setting change required
SATO genuine consumables For maximum print quality and optimum use, SATO recommends the use of SATO genuine consumables.

Internal fonts 7 bitmap SATO fonts, 2 scalable SATO fonts, multinational language support, single and double byte fonts (Korean, Chinese and Japanese)

Standard USB (Type A, Type B), LAN, RS232C
Wireless Optional WLAN, IEEE 802.11 b/g/n, Optional Bluetooth, V2.1 + EDR
LAN protocols ARP, IP, ICMP, UDP, TCP, HTTP, DHCP, Socket, LPR, IPv4, IPv6, SNMPv2
Emulations Auto Detect – SBPL®, SZPL®, SEPL®, SDPL®, SIPL®

Full Cutter
Real Time Clock Module (future option)
Wireless LAN
Bluetooth Interface
External Unwinder

Linear UPC-A/E, JAN/EAN-8/13, Code 39, Code 93, Code 128, Bookland, GS1-128 (UCC /EAN128), Codabar (NW–7), Interleaved 2 of 5, MSI, GS1 DatabarTM / RSS14 (Truncated, Stacked, Limited, Expanded), Industrial 2/5, Composite JAN/EAN-8/13, Composite UPC A/E, PostnetTM, Matrix 2/5
2D symbologies PDF417 Including Micro PDF, MAXI Code, QR Code, GS1 Data Matrix (ECC200)
Print rotation/character data – barcode 0°, 90°, 180°, 270°

Environment Operating temperature: 41 to 104 ̊F (5 to 40oC), 25 – 85% RH, Non- condensing
Storage temperature: -4 to 140 ̊F (-20 to 60oC), 10 – 90% RH, Non- condensing
Status indicators 2 Tricolor LEDS (red, green and orange)
Power requirements Energy StarTM input voltage adapter: AC100V-240V (Auto switching);
DT: 60W / TT: 90W

Standards & agency approvals EN60950-1, UL60950-1/CSA C22.2 No.60950-1, CE Marking, FCC, TUV GS, ICES-003, RCM, CCC, KC, EAC, S-Mark
User serviceable Thermal printhead and platen roller can be replaced without tools


  • Asset management
  • Bag tags
  • Boarding/admission passes
  • Coupons/promotions
  • Evidence tracking
  • GTIN/FDA compliance
  • Pallet/carton management
  • Parking passes
  • Patient identification
  • Pharmacy and product labeling
  • Price marking
  • Shipping/receiving labels
  • Specimen/slide labels
  • Visitor ID
  • Warehouse picking/put away
  • Work-in-progress and product labeling