# POS printer CUSTOM D4 302-K 203x203 DPI Wired Direct thermal

**URL:** https://aio.lv/en/product--custom-911mk030100333--3571354
**Data updated:** 2025-12-29 13:32 (EET)
**Category:** POS & Label Printers
**Manufacturer:** custom
**Manufacturer code:** 911MK030100333
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 525.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 434.70 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--custom-911mk030100333--3571354

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The CUSTOM D4 302-K is a wired POS printer featuring direct thermal and thermal transfer printing technologies. It offers a maximum resolution of 203 x 203 DPI, a maximum roll diameter of 12.7 cm, and a printing width of 10.4 cm. Connectivity options include USB, RJ-45, and serial interfaces, supporting Ethernet LAN data rates of 10/100 Mbit/s. It can print various built-in barcodes, making it suitable for retail and point-of-sale applications.

## Long description

D4 302-K is a compact 4" desktop label and POS printer designed for high-performance, industrial-level applications. It supports direct thermal and thermal transfer printing with a maximum resolution of 203 x 203 DPI, a maximum roll diameter of 127 mm and a maximum printing width of 104 mm. The printer includes a colorful backlit LCD for clear menu navigation, a built-in multi-function keyboard with 19 buttons, an SD card slot for data storage and a real-time clock for time and date printing. Connectivity options include USB, serial and RJ-45 (Ethernet 10/100 Mbit/s), making it suitable for retail and point-of-sale environments.
Advantages
The D4 302-K combines compact desktop size with industrial-level features: dual-mode printing (direct thermal and thermal transfer), clear backlit LCD, integrated 19-button keyboard, multiple communication ports and an SD card slot for local storage. Its 203 x 203 DPI resolution and 104 mm print width support a wide range of barcode and label printing tasks while keeping the footprint small and the installation flexible.
Suitable for
Retail point-of-sale receipts and shelf labels
Small to medium warehouse labelling
Barcode and RFID label printing workflows
On-desk printing in confined or counter spaces
Key specifications
Print technology: Direct thermal / thermal transfer
Maximum resolution: 203 x 203 DPI
Maximum printing width: 104 mm
Maximum roll diameter: 127 mm
Connectivity: USB, Serial, RJ-45 (Ethernet 10/100 Mbit/s)
Built-in keyboard: 19 buttons
SD card slot: Yes
Real-time clock: Yes
Weight: 2 kg
Product colour: Black
How to use
Install the printer on a stable, level surface and connect it to the host system using the selected interface (USB, serial or Ethernet). Load the media roll according to the user manual, set the printer mode to direct thermal or thermal transfer as required, and configure print width and resolution through the LCD menu or connected driver. Use the built-in keyboard for local input and the SD slot to load or store templates and data. Set the real-time clock if date/time printing is required.
Usage recommendations
Use recommended label media and ribbons for thermal transfer mode to ensure print quality and avoid damage. Keep the print head and feed path clean and perform periodic maintenance as described in the manual. For networked setups, configure a static IP or DHCP per site policy and verify Ethernet speed settings (10/100 Mbit/s).

## Specifications

### Design

| Feature | Value |
|---|---|
| Display diagonal | 2.8 " |
| Display resolution | 240 x 320 |
| Product colour | Black |
| Built-in display | Yes |
| Display type | LCD |
| Colour display | Yes |

### Printing

| Feature | Value |
|---|---|
| Type | POS printer |
| Maximum resolution | 203 x 203 |
| Print technology | Direct thermal / thermal transfer |
| Print speed | 5 ips |
| Maximum printing width | 104 mm |

### Ports & interfaces

| Feature | Value |
|---|---|
| Serial ports quantity | 1 |
| Ethernet LAN | Yes |
| Connectivity technology | Wired |
| USB 2.0 ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| Standard interfaces | RJ-45, Serial, USB |
| Serial interface | Yes |
| USB port | Yes |
| USB connector | USB Type-A |

### Power

| Feature | Value |
|---|---|
| Input current | 1.8 |
| Power source type | AC |
| AC input frequency | 50 - 60 |
| AC input voltage | 100 - 240 |
| DC output voltage | 24 V |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 0 - 90 |
| Storage temperature (T-T) | -20 - 50 |
| Operating temperature (T-T) | 5 - 45 |
| Storage relative humidity (H-H) | 5 - 95 |

### Paper handling

| Feature | Value |
|---|---|
| Maximum media length | 3810 mm |
| Maximum roll diameter | 127 mm |

### Features

| Feature | Value |
|---|---|
| Built-in barcodes | Code 39, Code 93, Data Matrix, EAN128, EAN13, EAN8, MaxiCode, MicroPDF417, PDF417, QR Code, UPC-A, UPC-E, Code 128 (A/B/C), Code 11 |
| RAM capacity | 0.128 GB |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 2 kg |
| Height | 188 mm |
| Width | 200 mm |
| Depth | 263 mm |

### Network

| Feature | Value |
|---|---|
| Ethernet LAN data rates | 10, 100 |

## FAQ

### How much does the POS printer CUSTOM D4 302-K cost, and is it available for purchase?

The price is 525.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 01.07.2026 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: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### 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 custom 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 custom 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: maximum printing width, weight, ethernet lan, print technology, 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 POS printer CUSTOM D4 302-K?

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/3571354/54974862_large.webp