Sewoo LK-B40


4-inch Thermal Transfer and Direct Thermal Label Printer

Sewoo LK-B40 Thermal Printer

4″ Large supply industrial label printer

  • Designed for a large supply of label printing
  • Easy to replace thermal head(300 dpi optional)
  • Precise sensor operating system (movable sensor, control both upper and lower sensor simultaneously)
  • Available High-paper-capacity(500M)
  • Movable thermal head can help user to replace paper and ribbon easily
  • Modularized Thermal head assembling for convenient RMA processing
  • Auto Emulation Selection function which automatically detects and executes EPLⅡ and ZPLⅡ


The Sewoo LK-B40 Thermal Printer offers large supply high speed printing with easy to replace paper and ribbon. Designed for industrial/ heavy duty used including healthcare, transportation, retail and manufacturing.

  • Multiple high speed communication option including USB, Ethernet, Serial and Bluetooth
  • User friendly servicing, easy to change paper, ribbon and thermal head
  • Direct or transfer thermal printing options
  • Large paper capacity for high demand enviroments

Tech Specs

Physical and environmental characteristics

Dimensions294 x 489 x 325 (mm)

Performance characteristics

Print MechanismThermal transfer & Direct thermal
Media TypeLabel roll / Continuous / Fanfold
Media Width18 – 118 mm
Media SizeThickness: 0.3 mm
Print Length1250 mm
Resolution203 DPI (8 dots/mm) 300DPI Optional
Print Width104 mm (4.1 inch)
FontsEPL: 6 bitmapped – 8×12,10×16,12×20,14×24, 32×48 (5 Bitmap Font), 24×24 ((KSC5601)
ZPL: 7 bitmapped – 5×9,7×11,10×18,15×28,13×26,40×60, 13×21/1 smooth scalable
MemoryStandard: 32MB SDRAM, 16MB Flash / Optional: 64MB SDRAM, 32MB Flash
Barcode Symbols
1DCode39,CODE128 with subsets A/B/C, Codabar, Interleaved 2 of 5, UPC-A and UPC-E with 2 or 5 digit extension, EAN-8 and EAN-13 with 2 or 5 digit extensions, Postnet, Plessey, MSI, UCC/EAN-128, Logmars, Code49
2DMaxiCode, PDF417, DataMatrix, QR code, MicroPDF417, AZTEC
DriverWindows Driver
EmulationZPL II, EPL II Command compatible
SensorGap, Black mark
Power90 – 240v AC
InterfaceStandard: USB, Serial (RS-232C) Parallel (IEEE-1284)
 Optional: Ethernet

Regulatory approvals

*Please check spec sheet or contact us