POSTECH
POSTECH PT-R421 BK USB 4x6 | Shipping Label Printer
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Boost your shipping efficiency with the POSTECH PT-R421 BK USB Shipping Label Printer — a compact 4×6 direct-thermal printer built for small businesses, offices, and warehouses across the UAE. Enjoy fast print speeds, eco-friendly performance, and professional-grade clarity without ink or toner costs.
Overview
Designed for speed and durability, the PT-R421 BK delivers crisp 203 dpi labels at up to 152 mm/s. USB makes setup easy on Windows and macOS (many users also connect via optional Bluetooth/Wi-Fi for mobile devices). Perfect for retail, e-commerce and logistics workflows that need consistent output with low maintenance.
Key Features
- Fast print speed: up to 152 mm/s
- Sharp printing: 203 dpi (optional 300 dpi)
- Long life: 50 km print-head (Japanese ROHM)
- Easy setup: USB (Bluetooth/Wi-Fi optional)
- Eco-friendly: direct thermal (no ink or toner needed)
- Multi-OS: Windows, macOS, Android, iOS, Harmony OS
Specifications
| Model | PT-R421BK |
| Printing method | Direct Thermal |
| Resolution | 203 dpi (optional 300 dpi) |
| Print width | 20–108 mm (supports 4×6 in / 100×150 mm) |
| Interface | USB (Bluetooth/Wi-Fi optional) |
| Dimensions | 232 × 180 × 152 mm |
| Weight | 1.36 kg (net) |
| Power | AC 100–240 V, DC 24 V / 2.5 A |
Supported OS · Applications · Industries
- Operating systems: Windows, macOS, Android, iOS, Harmony OS
- Industries: Retail, e-commerce, logistics, warehouses, shipping
- Applications: Shipping labels, barcodes, inventory management
Benefits & Compatibility
- Works with computers and smartphones
- Improves packing speed & accuracy
- Lower running costs (no consumable ink)
- Reduces misprints and label waste
How to Use
- Connect via USB (or optional Bluetooth/Wi-Fi)
- Load 4×6 or other supported thermal labels
- Install drivers / app and start printing
Packaging
- Single package size: 26 × 22.6 × 19 cm
- Gross weight: 2 kg per unit
Warranty & Support
- 12-month comprehensive warranty
- Dedicated customer support (phone & online)
FAQ
Is it compatible with Mac and Windows?
Yes. Works with Windows and macOS. Many users also connect Android/iOS devices via optional Bluetooth/Wi-Fi.
Do I need ink or ribbons?
No. It uses direct thermal printing and only needs thermal label paper.
Which label sizes are supported?
20–108 mm widths, including the standard 4×6 in (100×150 mm) shipping labels used by major couriers in the UAE.
What is the warranty and return policy?
12-month manufacturer warranty and 30-day return window for new, unused items. A free printable return label is provided.
Best Price • Fast UAE Delivery
Best price guaranteed in Dubai, UAE. Order today for fast, secure delivery across the UAE.
Disclaimer: Specifications may change without notice. Images are illustrative. Please verify availability and compatibility before ordering.
