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Brother TJ4021TN Direct Thermal/Thermal Transfer Printer - Desktop - Label/Receipt - 4. 21" Print Width - USB - Serial - Ethernet - Black

SKU: TJ4021TN
UPC: 012502659280
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MSRP: $1,858.14
$1,858.14
$1,222.99
Save: $635.15 (34.18%)
Warranty Information: 2 Year
Condition: New
Width: 24.79 (cm)
Height: 43.61 (cm)
Depth: 27.41 (cm)

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Product Features

Description

Product Overview

The Brother TJ-4021TN is a robust desktop direct thermal and thermal transfer printer engineered for demanding label and receipt printing applications. This monochrome printer delivers reliable performance with crisp 203 dpi output, making it suitable for retail point-of-sale, shipping, inventory management, and asset tagging workflows.

With a maximum print width of 4.21 inches and support for various media types including receipts, labels, tags, and reflective materials, the TJ-4021TN adapts to diverse business needs. Its desktop form factor and comprehensive connectivity options—including USB, serial, and built-in Ethernet—ensure easy integration into both standalone and networked environments.

This section brings together practical product details such as Recommended Use, Print Color Capability, Maximum Mono Print Speed, Standard Memory, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.

POS Terminal
Windows, Mac, and Linux
Operating System
128 MBYes
Print Performance
Print TechnologyDirect Thermal/Thermal Transfer
Print Speed10 in/s (254 mm/s)
Print Resolution203 dpi
Connectivity
USBYes
Serial PortYes
EthernetYes
Media & Physical
Maximum Print Width4.21" (107 mm)
Maximum Roll Diameter8" (203.20 mm)
Standard Memory128 MB
Compatibility & Warranty
Operating SystemsWindows, Mac, and Linux
Platform SupportPC, Mac, iOS, Android
Warranty2 Year Limited

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.

Print Speed10 in/s
Print Resolution203 dpi
Print Width4.21"
Direct ThermalThermal TransferEthernet128 MB Memory

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.

Color
Black
Dimensions
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.

TJ-4021TN Direct Thermal/Thermal Transfer Printer Power Cord USB Cable Ribbon Take-Up Core
2 x 3" Media Supply Core Adapter Documentation
USB,AC
TJ-4021TN Direct Thermal/Thermal Transfer Printer
[custom-highlights]

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
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerBrother Industries, Ltd
Manufacturer Part NumberTJ4021TN
Brand NameBrother
Product SeriesTJ
Product ModelTJ-4021TN
Product NameTJ-4021TN Direct Thermal/Thermal Transfer Printer
Product TypeDirect Thermal/Thermal Transfer Printer
Technical Information
Recommended UseLabel/Receipt Print
Print Color CapabilityMonochrome
Maximum Mono Print Speed10 in/s (254 mm/s)
Maximum Print Resolution (dpi)203
Maximum Print Width4.21" (107 mm)
Application/UsageDesktop
Memory
Standard Memory128 MB
Interfaces/Ports
Serial PortYes
USBYes
Network & Communication
EthernetYes
Media Types & Handling
Media TypeReceipt,Label,Tag,Gap,Black Mark,Reflective
Maximum Roll Diameter8" (203.20 mm)
Software
Operating System SupportedWindows, Mac, and Linux
Power Description
Power SourceAC Supply
Physical Characteristics
Product ColorBlack
Height17.17" (436.12 mm)
Width9.76" (247.90 mm)
Depth10.79" (274.07 mm)
Weight (Approximate)20.70 lb (9389.36 g)
Miscellaneous
Package ContentsTJ-4021TN Direct Thermal/Thermal Transfer Printer Power Cord USB Cable Ribbon Take-Up Core 2 x 3" Media Supply Core Adapter Documentation
Cables IncludedUSB,AC
Platform SupportedPC,Mac,iOS,Android
Energy StarYes
Warranty
Limited Warranty2 Year
[/custom-specifications][custom-user-manual]

User Manual

This section contains official documentation provided by the manufacturer, including product manuals, brochures, and supplementary materials.
[/custom-user-manual][custom-faq]

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.

[/custom-faq]
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Brother TJ4021TN Direct Thermal/Thermal Transfer Printer - Desktop - Label/Receipt - 4. 21" Print Width - USB - Serial - Ethernet - Black
MSRP: $1,858.14
$1,858.14
$1,222.99
Save: $635.15 (34.18%)
Out of stock