# KMP 1991,0501 Printer Ribbon compatible with OKI ML 5520, 5521, 5590, and 5591 Black

**URL:** https://aio.lv/en/product--kmp-19910501--627670
**Data updated:** 2026-09-17 04:50 (EEST)
**Category:** Other goods
**Manufacturer:** KMP
**Manufacturer code:** 1991,0501
**EAN:** 4011324199116
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The KMP 1991,0501 printer ribbon in black is a high-quality consumable designed for dot matrix printing. Compatible with OKI ML 5520, ML 5521, ML 5590, and ML 5591 printers, this ribbon ensures crisp text output and reliable performance for daily office documentation, invoices, and continuous paper printing needs.

## Long description

The KMP 1991,0501 printer ribbon in black is a reliable consumable designed specifically for dot matrix printing applications. Built to meet high standards, this compatible ribbon ensures consistent ink distribution and clear text generation for various business and administrative tasks. It integrates smoothly with supported dot matrix printer models, offering a dependable solution for high-volume text printing.
Advantages
This printer ribbon delivers consistent black print quality throughout its operational lifespan, making it suitable for professional documentation. The durable fabric construction resists tearing and minimizes premature wear during continuous printing tasks. Installation is straightforward and matches the handling procedures of original consumables, reducing printer downtime and maintaining office efficiency.
Suitable for
Printing invoices and receipts on continuous stationery
Generating multi-part forms and administrative logs
Daily office documentation in warehousing and logistics
Point of sale and retail transaction printing
When it may not be suitable
This ribbon is not designed for inkjet or laser printers, and it cannot be used with thermal transfer or thermal direct printers. It is unsuitable for high-resolution graphic design printing or full-color image reproduction.
Key specifications
Color: Black
Printing technology: Dot matrix
Compatibility: OKI ML 5520, ML 5521, ML 5590, ML 5591
How to use
Power off the printer before replacing the consumable to ensure safety. Open the printer cover and carefully release the used ribbon cartridge from its mounting brackets. Unpack the new KMP ribbon and ensure the fabric is not twisted. Insert the cartridge firmly into the designated printer slots and manually turn the adjustment knob to take up any slack in the ribbon. Close the printer cover and run a test page to verify proper alignment and print quality.
What to consider before purchase
Verify your specific printer model before ordering
Check that your printing volume aligns with dot matrix ribbon yields
Ensure your workflow requires continuous form or multipart printing capabilities
Store unopened printer ribbons in a cool, dry place away from direct sunlight to maintain ink longevity and prevent fabric degradation.

## Specifications

| Feature | Value |
|---|---|
| Compatibility | OKI ML 5520/5521/5590/5591 |
| Product colour | Black |

## 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 KMP 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 KMP 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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