The SRP-S300 3” direct thermal liner-free label and receipt printer, providing high performance printing which is ideal for a number of industries including retail, hospitality, food delivery, logistics, lottery and more.

Printing at speeds up to 170mm/sec (liner-free labelling), 300mm/sec for receipts, the SRP-S300 produces 203dpi resolution text, graphics and 1D/2D barcodes.  Supporting five widths of media including 83 / 80 / 62 / 58 / 40mm, the printer’s eco features include back-feeding technology which saves 20% on paper expenses and paper saving mode, while reducing the length of a receipt up to 25%.

Sporting a smart ergonomic design, the SRP-S300 is accompanied with a built in power supply to save on counter space and protect against water damage. Bundled together with a built-in B-Melodist, providing a voice error messages notifying users of the immediate issues to be addressed. The SRP-S300 also supports Easy Tracking™, a unique label plate found on the bottom of the printer providing a simple QR code linking to a technical support micro site.

The SRP-S300 is supplied with built-in USB 2.0 alongside optional I/F card (Serial, Parallel, Ethernet, WLAN and Bluetooth). The SRP-S300 is compatible with market-leading programming languages by an extensive range of drivers and SDKs (Software Development Kits) and supports a 2 year warranty.


  • Printing speed up to 170mm/sec (Liner-Free Label), 300mm/sec (Receipt)
  • 203dpi high resolution text, graphic and 1D/2D barcode printing
  • Four-Type media with options: 80 / 72 / 60 / 48 / 32mm
  • Back-feed feature saves 20% of paper expenses. Paper saving mode, reduces the length of a receipt up to 25%
  • Anti-jam technology provided by a specialised paper path design and automatic guillotine cutting system
  • Built-in B-Melodist: Voice error message notifies users of immediate issues to be addressed
  • Built-in power supply saves counter space and protects against water damage for use as stood alone or wall-mounted
  • Built-in USB 2.0 Optional I/F card (Serial, Parallel, Ethernet, WLAN and Bluetooth)
  • Easy to replace auto-cutter is also included
  • Easy Tracking™ supports a QR code linking to the technical support micro site on a unique label plate found on the bottom of the printer
  • Energy Star Compliant
  • 2 year warranty


Print MethodDirect Thermal
Print SpeedSRP-S300L: Up to 170 mm SRP-S300R: Up to 300 mm
Print Resolution203 dpi
Print WidthUp to 80 / 72 / 60 / 48 / 32 mm
SensorPaper End, Paper Near End, Black Mark, Cover Open
Media TypeLiner-Free Label, Receipt
Media Width83 / 80 / 62 / 58 / 40 mm
Media Roll DiameterUp to 103 mm
Media Thickness0.06 ~ 0.09 mm
Supply MethodEasy Paper Loading
Dimensions (WxLxD)158 x 214 x 154 mm (6.22 x 78.42 x 6.06 inch)
Weight2.00 kg (4.40 lbs.)
PowerEnergy Star Certified, External Power, Adaptor 24V/2.5A
Drawer Port2 Ports (Via y-type adaptor)
Memory64 Mbit SDRAM, 32 Mbit FlashROM
NV Image Memory256 Kbytes (Mono)
Receive Buffer4 Kbytes
User Define Buffer12 Kbytes
InterfaceDual Interface USB V2.0 FS +Serial, Parallel, Ethernet, WLAN*, Bluetooth V4.2FH+ EDR**, or Powered USB * WLAN: 802.11b/g/n ** Bluetooth: Class 1 (100 m), MFi certified
TemperatureOperating: 0 ~ 45℃ (32 ~ 113℉) Storage: -20 ~ 60℃ (-4 ~ 140℉)
HumidityOperating: 10 ~ 80% RH Storage: 10 ~ 90% RH
Thermal Print Head (TPH)SRP-S300L: 75 Km SRP-S300R: 150 Km
Auto CutterSRP-S300L: 1 Million Cuts SRP-S300R: 3 Million Cuts
EmulationBXL / POS
Driver / UtilityWindows Driver, OPOS Driver, JPOS Driver, Linux / Mac CUPS Driver, Virtual COM USB/Ethernet Driver, Utility Program
SDKiOS SDK, Android SDK, Windows SDK
Character SizeFont A: 12 × 24 Font B: 9 × 17 Font C: 9 × 24 KOR, CHN, JPN: 24 x 24
Characters Per LineFont A: 48 Font B, C: 64 KOR, CHN, JPN: 24
Character SetsAlphanumeric: 95 Extended Graphics:128 × 33 page International: 32
GraphicsSupporting User-Defined Fonts, Graphics, Formats, and Logos
Barcode Symbologies1D: UPC-A, UPC-E 2D: Data Matrix, PDF417, QR Code