CatalogsDOCX·7.1 MB
Soonmark Product Catalog 2026
Version 2026.1Updated 7 Nov 2026
G5 / G5 ProM4201 / M4301M4202+7
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M Series Direct Thermal Printers
M4201 / M4301
4-Inch Thermal Printer
Works Perfectly for 4" x 6" Labels
The M Series includes direct thermal printers designed for various label printing scenarios. These printers use direct thermal printing method (no ribbon needed), making them cost-effective for shipping labels, barcode labels, and everyday label printing.
Print performance
203 / 300 DPI resolution, M4201: 2~6 inch/s (50.8~151.6mm/s); M4301: 2~5 inch/s (50.8~127mm/s).
Connectivity
USB · Bluetooth / Wi-Fi / LAN optional
Media handling
Handles media from 60μm~220μm, covering common shipping and barcode labels.
- Resolution
- 203 / 300 DPI
- Print width
- 108 mm
- Print method
- Direct Thermal
- Certifications
- CE · FCC · CCC
Specifications, customization options and certificates can be confirmed after inquiry.
Downloads for this model
Published files matched to this model. One file can cover several models.
Technical specifications
Parameters follow the product documentation and can be confirmed by model and market.
M4201 / M4301
Print performance
- Model No.
- M4201 (203 DPI) / M4301 (300 DPI)
- Resolution
- M4201: 203 DPI / M4301: 300 DPI
- Print Speed
- M4201: 2~6 inch/s (50.8~151.6mm/s); M4301: 2~5 inch/s (50.8~127mm/s)
- Print Width
- 108mm
- Print Length
- 5~250mm
- Print Method
- Direct Thermal
- Print Command
- TSPL, ESC
- Print Darkness
- 1~15 Concentration Levels
- Processor
- 32-bit Cortex-M0
- Memory
- 320KB RAM / 4M Flash
- Control Panel
- One Feed button (three colors for three different status)
Media and supplies
- Paper Type
- Folded paper or roll paper, die-cut label, black mark paper
- Media Width
- 20~118mm (liner inclusive)
- Post-print Action
- Standard: Peel-off
- Media Thickness
- 60μm~220μm
- Media O.D.
- Maximum Φ127mm
- Paper Out Method
- Front Paper Exit
Interface and software
- Interface
- Standard: USB; Optional: Bluetooth, WiFi, Network Port
- 1D Barcode
- Code 39, Code 93, Code 128UCC, Code 128 subsets A/B/C, Codabar, Interleaved 2 of 5, EAN-8, EAN-13, EAN-128, UPC-A, UPC-E, EAN and UPC 2(5) digits add-on, MSI, PLESSEY, POSTNET, China POST
- 2D Barcode
- PDF417, Maxicode, DataMatrix, QR code
- Internal Fonts
- 8 alpha-numeric bitmap fonts, Windows fonts downloadable from software
- Sensors
- Print head temp. detection; Label gap detection; Cover close detection; Black mark detection; Paper lack detection; Thermal Resistor (Overheat Protection); Through Sensor (Automatic Label Recognition); Micro Switch; Reflective Sensor; Through Sensor (Paper Out Error)
Environment and certification
- Power Supply
- Input: AC 100-240V, 50-60Hz / Output: DC24V-2.5A
- Working Environment
- 5~40°C, 30%~85% RH (No Condensation)
- Storage Environment
- -5~50°C, 10%~90% RH (No Condensation)
- Printer Dimension
- 232x180x152mm (L x W x Height)
- Product Weight
- 1.36kg
- Safety Certificates
- FCC, CE, CCC
Specifications, customization options and certificates can be confirmed after inquiry.
Need pricing or a sample?
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