# Citizen CT-S310II Thermal POS Printer, Wired, USB and Serial Interface

**URL:** https://aio.lv/en/product--citizen-systems-cts310iiebk--12406993
**Data updated:** 2026-05-09 14:55 (EEST)
**Category:** Other goods
**Manufacturer:** CITIZEN SYSTEMS
**Manufacturer code:** CTS310IIEBK
**EAN:** 5711045261831
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Citizen CT-S310II is a reliable thermal POS printer designed for efficient receipt printing. It offers a print speed of 160 mm/sec and supports 80 mm or 58 mm paper widths. Featuring wired connectivity via USB 2.0 and Serial interfaces, it includes an autocutter with a durability of 2 million cuts. This black thermal printer supports various barcodes, including QR and PDF417, making it ideal for retail and hospitality environments.

## Long description

The Citizen CT-S310II is a high-performance thermal POS printer designed to provide efficient and reliable receipt printing for retail and hospitality businesses. This Energy Star® qualified device focuses on sustainability by reducing power consumption by up to 45% and offering a paper-saving function that minimizes waste. With its compact design and built-in power supply, it helps maintain a clean workspace while delivering professional results at a print speed of 160 mm/sec.
Advantages
This printer stands out due to its environmentally friendly design, which includes halogen-free housing and packaging made from recycled materials. The inclusion of a long-life print head, capable of reaching up to 300 km, ensures durability and reduces the frequency of maintenance. Users benefit from tool-free maintenance features, such as an easily removable auto-cutter and print head, which allow for quick resolution of paper jams and routine servicing. The dual interface capability, featuring both USB and serial connections, ensures compatibility with a wide range of systems, making it a versatile and future-proof investment for any business.
Suitable for
Retail point-of-sale systems
Restaurant and cafe order printing
Receipt and voucher issuance
Ticket printing applications
This printer may not be suitable for environments requiring high-resolution graphic printing or color output, as it is a monochrome thermal device. It is also not intended for heavy-duty industrial label printing that requires specialized adhesive materials or high-durability thermal transfer ribbons.
Key specifications
Print technology: Thermal line printing
Print speed: 160 mm/sec
Supported paper widths: 80 mm or 58 mm
Maximum roll diameter: 8.3 cm
Connectivity: USB 2.0 and Serial interface
Autocutter durability: 2 million cuts
Supported barcodes: Code 128, Code 39, EAN13, EAN8, ITF-14, PDF417, QR Code, UPC-A, UPC-E
Weight: 1.8 kg
To use the Citizen CT-S310II, connect the device to your computer or POS terminal using the appropriate USB or serial cable. Ensure the printer is connected to a power source using the built-in power supply. Load the thermal paper roll into the compartment, ensuring the paper width is correctly adjusted to 80 mm or 58 mm. Install the necessary drivers for your operating system, such as Windows, Java POS, OPOS, or CUPS, to enable communication between your software and the printer.
What to consider before purchase
Verify that your POS software supports the required drivers for this printer model.
Ensure your workspace has the necessary cable reach for the wired USB or serial connection.
Confirm that your application requirements align with monochrome thermal printing technology.
For optimal performance and longevity, utilize the printer's long-life head mode and regularly clear the paper path to prevent debris accumulation. Ensure the device is kept in a dry, dust-free environment to maintain the integrity of the thermal print head.

## Specifications

| Feature | Value |
|---|---|
| Type | POS printer |
| Dimensions (WxDxH) | 140 x 195 x 132 |
| Print technology | Thermal |
| Weight | 1.8 kg |
| Certification | UL, C-UL, FCC, TÜV, CE, CCC |
| Operating relative humidity (H-H) | 10 - 90 |
| Storage temperature (T-T) | -20 - 60 |
| Operating temperature (T-T) | 5 - 45 |
| Serial ports quantity | 1 |
| Ethernet LAN | No |
| Storage relative humidity (H-H) | 10 - 90 |
| Buffer size | 4 KB |
| Connectivity technology | Wired |
| Product colour | Black |
| Printing media thickness | 65 - 75 |
| USB 2.0 ports quantity | 1 |
| Print speed | 160 mm/sec |
| Built-in barcodes | PDF417, QR Code, UPC-A, UPC-E, ITF-14, Code 128 (A/B/C), Code 39, EAN13, EAN8 |
| Wi-Fi | No |
| Power consumption (printing) | 32 W |
| Supported paper width | 80, 58 |
| Autocutter durability | 2 million cuts |
| Maximum roll diameter | 83 mm |
| Character size | 1.5 x 3 |
| Column capacity | 58mm: 52/46, 80mm:72/64 |
| Standard interfaces | USB 2.0, Serial |
| AC input frequency | 50 - 60 |
| AC input voltage | 100 - 240 |
| Serial interface | Yes |
| Harmonized System (HS) code | 84433210 |
| USB port | Yes |

## FAQ

### 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 CITIZEN SYSTEMS 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 CITIZEN SYSTEMS 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

## Image

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