Brother, TD-4550DNWB, Direct Thermal Label Printer

The Brother TD4550DNWB is a professional 4-inch direct thermal desktop label printer built for businesses that need fast, reliable barcode, shipping, inventory, shelf, and receipt printing. Designed for small to mid-sized supply chain, warehouse, retail, and back-office operations, this printer delivers crisp 300 dpi output with print speeds up to 6 inches per second.

With built-in USB, USB Host, Serial, Ethernet, Wi-Fi, Bluetooth, Bluetooth Low Energy, and MFi support, the TD4550DNWB gives businesses flexible connectivity for workstations, networks, mobile devices, and integrated labeling systems. It supports ZPL II emulation, Brother Template Mode, Windows compatibility, and Brother design tools, making it easier to fit into existing barcode and label workflows.

Key Features & Benefits

Professional 4-Inch Label Printing
Prints labels, tags, barcodes, receipts, shelf labels, shipping labels, and inventory labels up to 4 inches wide, making it a versatile desktop solution for daily business operations.

300 DPI Print Resolution
Produces sharp text, clean graphics, and highly readable barcodes for applications where label clarity and scan accuracy matter.

Fast Direct Thermal Performance
Prints at speeds up to 6 ips, helping teams produce labels quickly during receiving, picking, packing, shipping, and inventory workflows.

No Ink, Toner, or Ribbon Required
Direct thermal technology uses heat-sensitive media, reducing supplies and simplifying maintenance for high-volume label printing.

Advanced Connectivity Options
Includes wired and wireless connectivity options such as USB, Serial, Ethernet LAN, Wi-Fi, Bluetooth, Bluetooth LE, and MFi, giving businesses flexibility for desktop, networked, and mobile printing setups.

Easy Media Loading
Spindle-less media loading makes roll changes faster and easier, helping reduce downtime during busy operations.

Business System Integration
Supports ZPL II emulation, Brother Template Mode, Windows workflows, and Brother SDK options for integration into business applications and label printing systems.

LCD Control Panel
The printer includes a user-friendly LCD and control buttons for easier setup, configuration, and operation.

Ideal Use Cases

• Inventory labels
• Warehouse barcode labels
• Shipping and receiving labels
• Retail shelf labels
• Product identification labels
• Asset tracking labels
• Receipts and tags
• Packing and fulfillment workflows
• Supply chain and back-office labeling

Technical Highlights

• Manufacturer: Brother
• Model: TD4550DNWB
• Device Type: Desktop label printer
• Print Method: Direct thermal
• Print Resolution: 300 dpi
• Maximum Print Width: 4-inch class / up to approx. 4.3 inches
• Print Speed: Up to 6 inches per second
• Connectivity: USB, USB Host, Serial, Ethernet LAN, Wi-Fi, Bluetooth, Bluetooth LE, MFi
• Printer Language / Integration: ZPL II emulation, Brother Template Mode
• Display: LCD control panel
• Media Type: Direct thermal labels, tags, receipts, and compatible RD rolls
• Power: AC adapter

Bottom Line

The Brother TD4550DNWB is a flexible, business-ready desktop label printer built for fast, high-quality direct thermal printing. With 300 dpi resolution, 6 ips print speed, broad wired and wireless connectivity, and support for common label workflows, it is a strong fit for inventory, shipping, barcode, shelf labeling, and warehouse operations that need reliable label printing from a compact desktop device.