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Brother TJ4021TN Direct Thermal/Thermal Transfer Printer - Desktop - Label/Receipt - 4. 21" Print Width - USB - Serial - Ethernet - Black
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Product Features
Technical Overview
The TJ-4021TN operates at a maximum mono print speed of 10 inches per second (254 mm/s), balancing throughput with print quality. It features 128 MB of standard memory for efficient job handling and supports media rolls up to 8 inches in diameter. The printer's thermal printing technology eliminates the need for ink or toner, reducing consumable costs and maintenance.
Connectivity is a key strength, with USB and serial ports for direct device connections plus Ethernet for network sharing. This allows the printer to be accessed by multiple users across PC, Mac, iOS, and Android platforms. The unit is Energy Star certified for energy efficiency and powered by a standard AC supply.
Key Product Advantages
The Brother TJ-4021TN combines versatile media support with reliable connectivity to streamline labeling and receipt tasks. Its dual thermal technology allows flexibility in media choice, while the built-in Ethernet port facilitates easy network integration without additional adapters.
Media Versatility
Handles receipts, labels, tags, gap media, black mark, and reflective materials for diverse application needs.
- Receipt printing
- Label printing
- Tag printing
- Reflective media support
Cross-Platform Compatibility
Works with Windows, Mac, Linux, iOS, and Android systems, ensuring broad deployment options.
- Windows support
- Mac support
- Linux support
- Mobile device compatibility
Deployment / Use Cases
This printer is ideal for retail environments requiring fast receipt printing at point-of-sale counters. Its label printing capabilities also make it suitable for back-office operations like inventory labeling, shipping label generation, and asset tracking.
The Ethernet connectivity allows shared access in small to medium businesses, while USB and serial ports support legacy systems or dedicated workstation setups. Common deployments include convenience stores, warehouses, logistics centers, and hospitality venues where reliable, medium-volume printing is essential.
Retail Point of Sale
Print customer receipts quickly and reliably with consistent 203 dpi quality.
- Fast receipt printing
- POS integration
- Network sharing
Logistics & Warehousing
Generate shipping labels, inventory tags, and asset labels with various media types.
- Shipping labels
- Inventory tags
- Asset tracking
Physical Profile
The TJ-4021TN features a compact black desktop design measuring 17.17 inches in height, 9.76 inches in width, and 10.79 inches in depth. With an approximate weight of 20.70 pounds, it offers a stable footprint for countertop or workstation use. The black finish provides a professional appearance that blends with office and retail environments.
- Width
- 4.21" (107 mm)
- Depth
- 10.79" (274.07 mm)
- Height
- 17.17" (436.12 mm)
- Weight
- 20.70 lb (9389.36 g)
What's in the Box
The package includes everything needed for immediate setup and operation.
Highlights
- Direct thermal and thermal transfer printing technology
- 10 inches per second maximum print speed
- 4.21-inch maximum print width for labels and receipts
- USB, serial, and Ethernet connectivity options
- Supports Windows, Mac, Linux, iOS, and Android
- Handles receipts, labels, tags, and reflective media
- 128 MB standard memory for efficient processing
- Energy Star certified for energy efficiency
- 2-year limited warranty for peace of mind
- Black desktop design with compact footprint
Specifications
| Specifications | |
|---|---|
| Manufacturer | Brother Industries, Ltd |
| Manufacturer Part Number | TJ4021TN |
| Brand Name | Brother |
| Product Series | TJ |
| Product Model | TJ-4021TN |
| Product Name | TJ-4021TN Direct Thermal/Thermal Transfer Printer |
| Product Type | Direct Thermal/Thermal Transfer Printer |
| Technical Information | |
| Recommended Use | Label/Receipt Print |
| Print Color Capability | Monochrome |
| Maximum Mono Print Speed | 10 in/s (254 mm/s) |
| Maximum Print Resolution (dpi) | 203 |
| Maximum Print Width | 4.21" (107 mm) |
| Application/Usage | Desktop |
| Memory | |
| Standard Memory | 128 MB |
| Interfaces/Ports | |
| Serial Port | Yes |
| USB | Yes |
| Network & Communication | |
| Ethernet | Yes |
| Media Types & Handling | |
| Media Type | Receipt,Label,Tag,Gap,Black Mark,Reflective |
| Maximum Roll Diameter | 8" (203.20 mm) |
| Software | |
| Operating System Supported | Windows, Mac, and Linux |
| Power Description | |
| Power Source | AC Supply |
| Physical Characteristics | |
| Product Color | Black |
| Height | 17.17" (436.12 mm) |
| Width | 9.76" (247.90 mm) |
| Depth | 10.79" (274.07 mm) |
| Weight (Approximate) | 20.70 lb (9389.36 g) |
| Miscellaneous | |
| Package Contents | TJ-4021TN Direct Thermal/Thermal Transfer Printer Power Cord USB Cable Ribbon Take-Up Core 2 x 3" Media Supply Core Adapter Documentation |
| Cables Included | USB,AC |
| Platform Supported | PC,Mac,iOS,Android |
| Energy Star | Yes |
| Warranty | |
| Limited Warranty | 2 Year |
User Manual
FAQ
What types of media can the Brother TJ-4021TN printer handle?
The TJ-4021TN supports multiple media types including receipts, labels, tags, gap media, black mark media, and reflective materials. This versatility makes it suitable for various applications from point-of-sale receipts to shipping labels and asset tags. The printer accommodates media rolls up to 8 inches in diameter.
What connectivity options are available on this printer?
The printer includes USB, serial, and Ethernet ports. USB and serial allow direct connections to individual computers or POS systems, while the built-in Ethernet port enables network sharing among multiple users. This comprehensive connectivity supports both standalone and networked deployment scenarios.
Which operating systems are compatible with the TJ-4021TN?
The printer is compatible with Windows, Mac, and Linux operating systems. It also supports iOS and Android platforms, providing broad compatibility across desktop and mobile devices. This cross-platform support ensures flexible integration into diverse IT environments.
What is the print speed and resolution of this printer?
The TJ-4021TN prints at a maximum speed of 10 inches per second (254 mm/s) with a resolution of 203 dots per inch. This combination delivers fast throughput while maintaining clear, legible text and barcodes suitable for retail receipts and shipping labels.
Does this printer require ink or toner?
No, as a direct thermal and thermal transfer printer, it uses heat-sensitive media or thermal transfer ribbons instead of ink or toner. This eliminates the need for liquid ink cartridges or toner replacements, reducing consumable costs and maintenance requirements.
What is included in the package with the printer?
The package contains the TJ-4021TN printer unit, power cord, USB cable, ribbon take-up core, two 3-inch media supply core adapters, and documentation. These items provide everything needed for basic setup and operation, though specific media rolls may need to be purchased separately based on your application.