# POS printer Citizen CL-S621II

**URL:** https://aio.lv/en/product--citizen-cls621iinebxx--3548808
**Data updated:** 2025-12-29 13:31 (EET)
**Category:** POS & Label Printers
**Manufacturer:** Citizen
**Manufacturer code:** CLS621IINEBXX
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 559.99 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 462.80 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--citizen-cls621iinebxx--3548808

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 5.80 EUR |

## Summary description

The Citizen CL-S621II is a reliable wired POS printer featuring direct thermal and thermal transfer printing technologies. With a maximum resolution of 203 x 203 DPI and a printing width of 10.4 cm, it efficiently handles media lengths up to 2.54 m. Equipped with 16 MB internal memory and flash storage, it ensures quick and efficient printing. The printer's RS-232 serial interface allows for easy connectivity, making it an ideal choice for retail and hospitality environments.

## Long description

The POS printer Citizen CL-S621II is a versatile desktop unit designed for retail and hospitality environments. It supports both direct thermal and thermal transfer printing, offers a maximum resolution of 203 x 203 DPI, a maximum printing width of 104 mm, and can handle media lengths up to 2.54 m. The printer includes 16 MB internal memory with flash storage and connects via an RS-232 serial interface. Its metal Hi-Lift™ mechanism and ARCP™ anti-wrinkle and automatic tensioning system simplify media loading and improve print reliability.
Advantages
The Citizen CL-S621II combines dual printing modes (direct thermal and thermal transfer) in one compact desktop printer, enabling flexible label and receipt production. Its Hi-Lift™ metal mechanism provides robust media handling and easy access for roll replacement. The ARCP™ system reduces label wrinkling and maintains proper ribbon tension automatically, contributing to consistent, reliable output at speeds up to 150 mm/s and a maximum printing width of 104 mm.
Suitable for
Point-of-sale receipt printing in retail stores
Label printing for price tags and shelf labels
Hospitality ticketing and order slips
Low- to medium-volume barcode and shipping labels
Key specifications
Print technology: Direct thermal / thermal transfer
Maximum resolution: 203 x 203 DPI
Maximum printing width: 104 mm
Print speed: up to 150 mm/sec
Media length: up to 2.54 m
Memory: 16 MB internal + flash storage
Interfaces: RS-232 serial
Weight: 4.5 kg
Colour: Black
How to use
Install the Citizen CL-S621II on a stable surface near a power outlet and the host device. Open the Hi-Lift™ mechanism to load label or receipt rolls and, for thermal transfer mode, install the ribbon according to the user guide. Connect the printer via the RS-232 serial port and configure driver settings on your POS or label software to match the 203 x 203 DPI resolution and desired print width. Use standard media rolls within the specified dimensions and test print to verify alignment and print quality before regular operation.
Usage recommendations
For consistent results, use media and ribbons recommended by the manufacturer, keep the media path and printhead clean, and perform routine checks of ribbon tension and roll alignment. When switching between direct thermal and thermal transfer modes, confirm software settings and perform a test print to ensure correct print mode and density.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| Serial interface type | RS-232 |
| Ethernet LAN | No |
| Connectivity technology | Wired |
| Wi-Fi | No |
| Serial interface | Yes |
| USB port | Yes |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84433210 |

### Printing

| Feature | Value |
|---|---|
| Type | POS printer |
| Maximum resolution | 203 x 203 |
| Print technology | Direct thermal / thermal transfer |
| Print speed | 150 mm/sec |
| Maximum printing width | 104 mm |

### Features

| Feature | Value |
|---|---|
| Internal memory | 16 MB |
| Flash memory | 16 MB |
| Storage media | Flash |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 4.5 kg |
| Height | 270 mm |
| Width | 231 mm |
| Depth | 289 mm |

### Paper handling

| Feature | Value |
|---|---|
| Maximum media length | 2539.74 mm |

### Power

| Feature | Value |
|---|---|
| Power source type | AC |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |

## FAQ

### How much does the POS printer CL-S621II cost, and is it available for purchase?

The price is 559.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 60 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 13.07.2026 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. 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 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 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: ethernet lan, print technology, wi-fi, print speed, weight, maximum printing width, 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.

## Image

https://aio.lv/img/cache/product/3548808/64664505_large.webp