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header-product POS printer CUSTOM D4 302-K 203x203 DPI Wired Direct thermal
535.49 €

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

POS printer CUSTOM D4 302-K Photo 1
POS printer CUSTOM D4 302-K Photo 2
POS printer CUSTOM D4 302-K Photo 3
POS printer CUSTOM D4 302-K Photo 4
POS printer CUSTOM D4 302-K Photo 1
POS printer CUSTOM D4 302-K Photo 2
POS printer CUSTOM D4 302-K Photo 3
POS printer CUSTOM D4 302-K Photo 4
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Short 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.
Available for order: 1 pcs.
Warranty: 2 Years
SKU: 3571354
Manufacturer: custom
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
25.09.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
30.09.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 2.00 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / DPD Paku skapis / Omniva LV / Latvijas Pasts pakomāts / Latvijas Pasts nodaļa
30.09.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
payment
Payment Methods:
Bank transfer
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Product information

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

Ethernet LAN: An Ethernet LAN (Local Area Network) interface is present, for a wired conection via a cable.
Yes
Serial interface:
Yes
USB port: The device features a socket into which a USB cable can be plugged.
Yes
Connectivity technology: The technology that enables connectivity of the device, e.g. wired or wireless.
Wired
Maximum printing width: The maximum width of the image that can be printed.
104 mm
Type: Characteristics of the device.
POS printer
Print technology: Indicates the method used to print by this product.
Direct thermal / Thermal transfer
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
Product colour: The colour e.g. red, blue, green, black, white.
Black
All features

Weight & dimensions

Height: The measurement of the product from head to foot or from base to top.
188 mm
Depth: The distance from the front to the back of something.
263 mm
Width: The measurement or extent of something from side to side.
200 mm
Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
2 kg

Operational conditions

Operating relative humidity (H-H):
0 - 90
Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.
-20 - 50
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
5 - 45
Storage relative humidity (H-H):
5 - 95

Power

DC output voltage:
24.0000
Power source type: What the power source is.
AC
Input current:
1.8
AC input frequency:
50 - 60
AC input voltage: The voltage of the AC electricity that is inputted into the product.
100 - 240

Features

RAM capacity:
0.128 GB
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

Network

Ethernet LAN data rates: The different speed levels of the Ethernet LAN connection.
100, 10
Ethernet LAN: An Ethernet LAN (Local Area Network) interface is present, for a wired conection via a cable.
Yes

Paper handling

Maximum media length:
3810 mm
Maximum roll diameter: The maximum size of roll that can be used, measured by the diameter which is the distance from one side to the other with a straight line passing through the centre of the roll.
127 mm

Design

Display type: Type of display (screen) e.g. LCD.
LCD
Colour display:
Yes
Display resolution: The number of distinct pixels in each dimension that can be displayed. It is usually quoted as width × height, with the units in pixels: for example, "1024 × 768" means the width is 1024 pixels and the height is 768 pixels. The higher the number of pixels, the sharper the image.
240 x 320
Display diagonal: Size of the display for this product, measured diagonally, usually in inches.
2.8 "
Built-in display: A display which is part of the product, so you do not need to attach another display.
Yes
Product colour: The colour e.g. red, blue, green, black, white.
Black

Ports & interfaces

Serial ports quantity: The number of serial ports in a computer or peripheral. A serial port is a serial communication physical interface through which information transfers in or out one bit at a time. The term "serial port" usually identifies hardware more or less compliant to the RS-232 standard, intended to interface with a modem or with a similar communication device. In modern computers and peripherals, serial ports have largely been replaced by USBs and other interfaces.
1
Ethernet LAN (RJ-45) ports: Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.
1
Standard interfaces: Most common industry-standard communication protocols ranging from RS-232, RS-422, RS-423, RS-485, and LVDS to USB.
RJ-45, Serial, USB
Serial interface:
Yes
USB connector: What type of USB connector is built into the device.
USB Type-A
USB 2.0 ports quantity: Number of USB 2.0 ports (connecting interfaces) in the device. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), USB 2.0 ports are usually black.
1
USB port: The device features a socket into which a USB cable can be plugged.
Yes
Connectivity technology: The technology that enables connectivity of the device, e.g. wired or wireless.
Wired

Printing

Maximum printing width: The maximum width of the image that can be printed.
104 mm
Print speed:
5 ips
Maximum resolution: Maximum printing resolution.
203 x 203
Type: Characteristics of the device.
POS printer
Print technology: Indicates the method used to print by this product.
Direct thermal / Thermal transfer

Description

Machine translation. Load original

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Customer reviews

Customer questions

FAQ

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

The price is 535.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 25.09.2026 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. 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: ethernet lan, serial interface, usb port, connectivity technology, maximum printing width, type, print technology, built-in barcodes, 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.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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