# Label printer Brother TJ-4121TN — Thermal line, 300×300 DPI, 105.7 mm print width, Ethernet LAN, USB, black

**URL:** https://aio.lv/en/product--brother-116903--12050218
**Data updated:** 2026-03-31 14:41 (EEST)
**Category:** POS & Label Printers
**Manufacturer:** Brother
**Manufacturer code:** 116903
**EAN:** 4977766804769
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 1 350.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 1 116.52 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--brother-116903--12050218

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 8.08 EUR |

## Summary description

Brother TJ-4121TN is a thermal line label printer with maximum resolution 300×300 DPI and a maximum printing width of 105.7 mm. It offers wired connectivity including Ethernet LAN and a USB port. Designed for point-of-sale, logistics and industrial labelling tasks, it supports fast direct thermal printing in a compact black chassis and weighs 9.423 kg.

## Long description

Brother TJ-4121TN is a thermal line label printer that delivers up to 300×300 DPI resolution and a maximum printing width of 105.7 mm. Designed for point-of-sale, logistics and industrial labelling, the unit supports direct thermal and thermal transfer workflows and connects via Ethernet LAN and USB for wired integration into existing systems. The printer is supplied in a compact black chassis and weighs approximately 9.423 kg.
Advantages
The Brother TJ-4121TN provides high-resolution printing and a wide print width suitable for a range of label sizes. Its wired connectivity, including Ethernet LAN and USB, enables reliable integration with POS and warehouse systems. The durable industrial design and support for thermal line technology make it suitable for continuous, high-volume printing in production environments.
Suitable for
Shipping and logistics labels
Warehouse and inventory identification
Point-of-sale and retail labelling
Industrial and production line labelling
Key specifications
Print technology: Thermal line
Maximum resolution: 300 × 300 DPI
Maximum printing width: 105.7 mm
Connectivity: Ethernet LAN and USB (wired)
Product colour: Black
Weight: 9.423 kg
How to use
Install the Brother TJ-4121TN on a stable surface and connect it to your network or host device using the Ethernet LAN or USB port. Load appropriate label media and, if using thermal transfer mode, install compatible ribbon according to the user manual. Configure printer settings and command language in the host software to match label size and print quality requirements. Use the front panel display to navigate basic settings and monitor status.
Usage recommendations
For reliable long-term performance, use media and ribbons recommended by the manufacturer, maintain a clean printhead and follow routine cleaning procedures. Integrate via Ethernet LAN for stable network printing in busy POS and logistics environments.

## Specifications

### Printing

| Feature | Value |
|---|---|
| Colour | No |
| Maximum resolution | 300 x 300 |
| Print technology | Thermal line |
| Maximum printing width | 105.7 mm |

### Ports & interfaces

| Feature | Value |
|---|---|
| Ethernet LAN | Yes |
| Optional connectivity | Wireless LAN |
| Connectivity technology | Wired |
| USB 2.0 ports quantity | 2 |
| RS-232 ports | 1 |
| USB port | Yes |

### Technical details

| Feature | Value |
|---|---|
| Master (outer) cases per pallet layer | 5 pc(s) |
| Pallet type | 1200 x 1000 mm |
| Sustainability compliance | Yes |
| Sustainability certificates | ENERGY STAR |

### Paper handling

| Feature | Value |
|---|---|
| Media thickness | 0.06 - 0.28 |
| Maximum label width | 120 mm |
| Maximum label length | 11.43 m |
| Maximum roll diameter | 203.2 mm |

### Power

| Feature | Value |
|---|---|
| AC adapter output current | 2 A |
| AC input frequency | 50 - 60 |
| AC input voltage | 100 - 240 |

### Logistics data

| Feature | Value |
|---|---|
| Products per pallet | 20 pc(s) |
| Master (outer) cases per pallet | 20 pc(s) |
| Layers per pallet | 4 pc(s) |
| Pallet gross weight | 239200 g |
| Pallet gross height | 163 mm |
| Harmonized System (HS) code | 84433210 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 9.423 kg |
| Height | 370 mm |
| Width | 350 mm |
| Depth | 530 mm |

### Features

| Feature | Value |
|---|---|
| Internal memory | 128 MB |
| Flash memory | 128 MB |

### Design

| Feature | Value |
|---|---|
| Display diagonal | 3.5 " |
| Product colour | Black |
| Colour display | Yes |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 11018 g |
| Cables included | AC, USB |

### System requirements

| Feature | Value |
|---|---|
| Windows operating systems supported | Windows 10, Windows 7, Windows 8, Windows Vista |
| Mac operating systems supported | Y |
| Linux operating systems supported | Y |
| Server operating systems supported | Windows Server 2012, Windows Server 2012 R2 |
| Mobile operating systems supported | iOS, Android |

### Other features

| Feature | Value |
|---|---|
| Country of origin | Taiwan |

## FAQ

### How much does the Brother TJ-4121TN label printer 300×300 DPI cost, and is it available for purchase?

The price is 1,350.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can Brother TJ-4121TN label printer 300×300 DPI be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Brother products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Brother service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: print technology, weight, maximum printing width, ethernet lan, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Brother TJ-4121TN label printer 300×300 DPI?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/12050218/67597128_large.webp