Printer Series / Thermal Transfer

S300 300DPI 4inch Thermal Transfer Printer

Since 2017Established
20,000㎡Factory Area
30+ CountriesExported
CE / FCC / RoHSCertified
3,000 UnitsMonthly Capacity

Product Overview

A 4-inch industrial label printer for enterprise reliability — 300dpi at 150mm/s, 108mm print width, dual print method, and standard USB + Ethernet + Serial + USB Host for WMS and ERP integration.

📊
300 DPI
High-Definition Resolution
150mm/s
Print Speed
🖨
Thermal Transfer + Direct Thermal
Dual Print Method
📜
TSPL-II / ZPL-II
Command Set

📊Performance

ModelsS300
Print MethodThermal Transfer / Direct Thermal
Resolution300dpi
Print Speed150mm/s
Print Width108mm
Print Length3000mm
Command SetTSPL-II, ZPL-II Compatible

🖨Printing & Media

Media TypesContinuous, Gap, Black Mark, Tag, Care Label, Ribbon Tag, Wristband
Media Width20 - 110mm
Media Thickness0.06mm - 1.5mm
Roll Outer DiameterMax. 127mm
Core SizeMax. 127mm
Ribbon TypesWax, Wax-Resin, Resin
Ribbon LengthMax. 300m
Ribbon Core25.4mm
Ribbon Width30 - 110mm (outward winding)
Media HandlingTear-Off, Front Exit

Connectivity

Interfaces (Standard)USB 2.0 Type-B + Ethernet + Serial (RS232) + USB Host
Interfaces (Optional)USB + Ethernet + Serial + USB Host + Bluetooth + WiFi
USB HostBarcode scanner, keyboard, BAS program download
RS232Electronic scale, weight-based printing
SensorsTransmissive and Reflective media sensor, Thermistor printhead sensor
ButtonsFeed Button / Pause Button
ProtectionOverheat, Gap Detection, Black Mark Detection, Cover Open Detection, Paper-Out Alert, Cutter Error

🖥Hardware & Build

1D BarcodeCODE128, CODE39, CODE93, UPC-A, UPC-E, EAN-8, EAN-13, Codabar, Interleaved 2 of 5, MSI, PLESSEY, ITF14, TELEPEN, LOGMARS
2D BarcodeQR Code, PDF417, DataMatrix, Maxicode, MicroPDF417, Aztec, Codablock, Code49
GraphicsMonochrome PCX, BMP downloadable to FLASH/DRAM
Character SetSingle-byte FONT 0 to FONT 8, UTF-8, Vector Fonts (Arabic, Thai, Hindi, Turkish, etc.)
Scaling / Rotation1-10x horizontal/vertical scaling, 0/90/180/270 degree rotation
Operating Conditions5-40°C, 25-85% RH
Storage Conditions-40-60°C, 10-90% RH
Power SupplyDC 24V / 2.5A
Weight2.25 kg
Dimensions205 x 270 x 168mm (L x W x H)

Core Product Features

🖨

Dual Print Method & Command Set

Thermal transfer and direct thermal printing in one device. TSPL-II and ZPL-II dual command compatibility ensures seamless integration with existing label design software, WMS, and ERP systems without driver changes.

🔑

300dpi High-Definition Resolution

Delivers 300dpi clarity at 150mm/s for crisp barcodes, small fonts, and detailed graphics — ideal for lab test-report labels, sample tags, and compliance identifiers.

🧾

Multi-Media & Ribbon Support

Handles continuous, gap, black mark, tag, care label, and wristband media from 20mm to 110mm wide. Supports wax, wax-resin, and resin ribbons up to 300m for labels resistant to heat, chemicals, and abrasion.

S300 thermal transfer printer with top cover open showing ribbon and dual print-mode media path

Two print methods, one printer

Switch between thermal transfer for long-lasting, chemical-resistant labels and direct thermal for fast, ribbon-free printing — without changing hardware. A single S300 covers both daily and compliance labeling needs.

  • Thermal transfer mode with wax / wax-resin / resin ribbon
  • Direct thermal mode, no ribbon required
  • Same media path, zero reconfiguration
S300 4inch thermal transfer printer front view with label output slot

300dpi precision for tiny barcodes

300dpi resolution renders crisp 1D barcodes, 2D codes, and small fonts that stay scannable at lab scale. Tiny test-report labels remain readable and compliant.

  • Sharp barcodes and micro-text at 300dpi
  • Vector fonts for Arabic, Thai, Hindi, Turkish & more
  • Reliable scanning on small lab labels

Certifications

The S300 4inch thermal transfer printer is tested and certified for compliance with international safety, electromagnetic, and environmental standards, suitable for deployment across global markets.

CE Certification

Compliant with European health, safety, and environmental protection requirements for placement on the EU market.

RoHS Compliance

Restriction of Hazardous Substances compliant, ensuring the product is free from restricted hazardous materials in electrical and electronic equipment.

OEM & ODM Custom Solutions

We provide flexible OEM and ODM services for the S300 4inch thermal transfer printer, helping partners build branded labeling hardware tailored to their market requirements.

Custom Logo & Branding

Silk-screen logo, custom color finishes, and branded packaging to match your corporate identity.

Firmware & Command Set

Custom firmware adjustments, TSPL-II and ZPL-II command set compatibility, and SDK support for software integration teams.

Interface & Wireless Modules

Choose interface combinations and optional Bluetooth, WiFi, or Bluetooth+WiFi modules to match regional market demands and deployment scenarios.

Cutter & Display Options

Configure rotary or guillotine cutters with no-backcut technology, and optional 4.3 inch TFT LCD touchscreen for standalone operation.

Label Format & Media Tuning

Custom media sensor calibration for specific label materials, care labels, and wristband formats with optimized print quality profiles.

Volume & Global Support

MOQ-flexible pricing, custom retail packaging, and standard 12-month warranty with remote technical support for global customers.

Model Comparison Guide

Compare the three 4inch thermal transfer printer models to find the right resolution, speed, and print width for your application.

Model Resolution Print Speed Print Width Max Print Length Best For
S200 203dpi 200mm/s 104mm 4000mm High-speed logistics labels, shipping tags, warehouse barcode labels
S300 300dpi 150mm/s 108mm 3000mm Detailed barcodes, small text labels, retail price tags, apparel care labels
S600 600dpi 100mm/s 105mm 1000mm Ultra-fine micro-text, compact 2D codes, pharmaceutical and electronics labels

Application Business Scenarios

The S300 300DPI 4inch thermal transfer printer produces sharp, durable lab test report labels with 300dpi barcodes and tiny text — built for laboratories, hospitals, research institutes, and quality-control facilities.

S300 thermal transfer printer printing BIOLAB TEST REPORT labels on a laboratory bench with test tubes and pipettes

Laboratory Test Report Labels

Print sample identification, test results, and patient or batch tracking labels with crisp 300dpi barcodes. Wax-resin or resin ribbon ensures labels resist moisture, reagents, and refrigeration.

Explore Manufacturing Solutions →

Retail & Apparel

Print durable price tags, care labels, and brand tags for garments and accessories. Wax-resin ribbon ensures labels withstand washing and wear.

Logistics & Warehouse

Generate shipping labels, barcode tags, and inventory labels at 200mm/s. Ethernet connectivity supports networked WMS with real-time inventory updates.

Frequently Asked Questions

What are the differences between the S200, S300, and S600 models?
The three models differ in print resolution, speed, and maximum print length. The S200 offers 203dpi at 200mm/s with a 104mm print width and 4000mm max print length. The S300 provides 300dpi at 150mm/s with 108mm width and 3000mm length. The S600 delivers 600dpi at 100mm/s with 105mm width and 1000mm length. All three share the same physical dimensions (205x270x168mm), weight (2.25kg), interface options, and media compatibility.
What print methods and command sets does the S300 4inch thermal transfer printer support?
The printer supports both thermal transfer and direct thermal printing methods. It is compatible with TSPL-II and ZPL-II command sets, ensuring seamless integration with existing label design software, warehouse management systems, and ERP platforms. Standard memory is 32MB FLASH and 32MB SDRAM, expandable to 2Gbit FLASH and 1Gbit SDRAM for complex label formats with graphics and vector fonts.
What media types and ribbon options are supported?
The printer supports continuous, gap, black mark, tag, care label, ribbon tag, and wristband media types with widths from 20mm to 110mm. Media thickness ranges from 0.06mm to 1.5mm, with a maximum roll outer diameter of 127mm. For thermal transfer mode, it supports wax, wax-resin, and resin ribbons with a maximum length of 300m, core size of 25.4mm, width of 30-110mm, and outward winding configuration.
What interface and connectivity options are available?
Standard interfaces include USB 2.0 Type-B, Ethernet, Serial (RS232), and USB Host. The USB Host port supports barcode scanners, keyboards, and BAS program downloads for scan-triggered printing. The RS232 port connects to electronic scales for weight-based printing. Optional wireless modules include Bluetooth, WiFi, or Bluetooth+WiFi combinations for mobile and networked deployments.
Does the S300 4inch thermal transfer printer have optional cutter and display features?
Yes. An optional rotary cutter rated for 500,000 cuts is available for 0.1mm care labels, and a guillotine cutter rated for 600,000 cuts handles 80g paper. Both feature no-backcut technology and anti-static brushes. An optional 4.3 inch industrial TFT LCD capacitive touchscreen (480x800 resolution, 16-bit RGB) enables standalone operation, label format selection, and real-time status monitoring without a connected PC.
What is the warranty and after-sales policy for the S300 4inch thermal transfer printer?
The S300 4inch thermal transfer printer comes with a standard 12-month warranty covering manufacturing defects. For full warranty, return, replacement, and technical support terms, please read our after-sales policy.

Need a Customized Thermal Transfer Printer Solution?

Contact our team for datasheets, model selection guidance, OEM/ODM options, pricing, and volume discounts. We are ready to help you configure the right S300 4inch thermal transfer printer for your business.

Contact Us for a Quote

Product Tags

Direct Transfer Printers Thermal Wax Transfer Printer Ribbon Barcode Printer