# Printer OKI ML5591eco Dot Matrix 360 x 360 DPI Black

**URL:** https://aio.lv/en/product--oki-01308901--246949
**Data updated:** 2025-11-30 23:30 (EET)
**Category:** Dot Matrix Printers
**Manufacturer:** OKI
**Manufacturer code:** 01308901
**EAN:** 5031713050551
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 360.99 €
**Prices and availability valid until:** 2026-07-07 23:59
**Price without VAT (21%):** 298.34 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--oki-01308901--246949

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 8.38 EUR |

## Summary description

The OKI ML5591eco is a reliable dot matrix printer with a speed of 473 cps and a resolution of 360 x 360 DPI. It supports multiple CPI settings (10, 12, 15, 17.1, 20) and can print up to 4 copies. It is compatible with various barcode formats including EAN13, EAN8, Interleaved 2/5, POSTNET, UPC-A, and UPC-E, making it versatile for different printing needs.

## Long description

Fast, environmentally friendly 24-pin dot matrix printer designed to handle high print volumes. The 136-column layout supports multi-part forms and continuous paper, combining reliability with low power consumption for sustained business use.
Advantages
This 24-pin, 136-column dot matrix printer delivers high-speed output up to 473 characters per second (cps) while supporting IBM and Epson emulations for broad compatibility with existing systems. Eco-friendly technology includes a sleep mode that reduces power draw to just 1.5 W. Built for multi-part printing, it can produce the original plus up to four copies. Multiple connectivity options are available, including USB and Parallel interfaces, with optional RS232 and network ports for flexible integration.
Key specifications
 Print head: 24-pin dot matrix
 Columns: 136
 Maximum speed: up to 473 cps
 Power-saving sleep mode: 1.5 W
 Emulations: IBM and Epson
 Multi-part handling: original + 4 copies
 Interfaces: USB, Parallel; optional RS232 and Network
How to use
Install the printer on a stable surface and connect it to a host computer using USB or Parallel interface; install drivers or select the appropriate IBM/Epson emulation in your application. Load continuous paper or multipart forms into the tractor feed mechanism, ensuring correct alignment of the paper guides. For network or serial use, fit the optional RS232 or network module and configure communication settings according to your network or terminal requirements. Use sleep mode when the printer is idle to minimize energy consumption.
Рекомендации
For optimal performance, use quality continuous or multipart paper suited for dot matrix printing, keep the print head and platen clean, and schedule regular maintenance checks. Enable sleep mode during periods of inactivity to reduce power usage.

## Specifications

### Other features

| Feature | Value |
|---|---|
| Connectivity technology | Wired |
| Compatible operating systems | Windows 2000 / XP (32-bit & 64-bit) / Vista (32-bit & 64-bit) / 7 (32-bit & 64-bit) / Server 2003 (32-bit & 64-bit) / Server 2008 (32-bit & 64-bit) / Server 2003 |

### Printing

| Feature | Value |
|---|---|
| Colour | No |
| Maximum resolution | 360 x 360 |
| Maximum print speed | 473 cps |
| Normal print speed | 126 cps |
| Character pitch | 10, 12, 15, 17.1, 20 |
| Maximum number of copies | 4 copies |
| Built-in barcodes | EAN13, EAN8, Interleaved 2/5, POSTNET, UPC-A, UPC-E |
| Maximum printing width (columns) | 272 |
| Typestyles supported | Italics, Subscript, Superscript, Underline, Enhanced, Double height, Double width, Emphasised |
| Bitmap fonts | Gothic, OCR-B, Orator, Prestige, Roman |
| Scalable fonts | Roman, Swiss |

### Features

| Feature | Value |
|---|---|
| Certification | EU EMC |
| Buffer size | 128 KB |
| Noise level (idle) | 52 dB |
| Sound pressure level (printing) | 56 dB |
| Page description languages | Epson ESC/P2, IBM ProPrinter |

### Endurance

| Feature | Value |
|---|---|
| Mean time between failures (MTBF) | 20000 h |
| Print head | 24-pin |
| Print head life | 200 million characters |

### Power

| Feature | Value |
|---|---|
| Power consumption (typical) | 45.9 W |
| Power consumption (standby) | 1.5 W |
| AC input frequency | 50 - 60 |
| AC input voltage | 220 - 240 |

### Logistics data

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 7.8 kg |
| Height | 120 mm |
| Width | 552 mm |
| Depth | 345 mm |

### Paper handling

| Feature | Value |
|---|---|
| Paper feed | Manual, Pull tractor, Push tractor |
| Paper tray media types | Envelopes |

### Ports & interfaces

| Feature | Value |
|---|---|
| Optional connectivity | Ethernet, Serial (RS-232) |
| Standard interfaces | Parallel, USB 2.0 |

## FAQ

### How much does the Printer OKI ML5591eco cost, and is it available for purchase?

The price is 360.99 € (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 08.07.2026 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 OKI 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 OKI 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 resolution, print head, maximum printing width (columns), weight, standard interfaces, 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/246949/54954461_large.webp