# Cartridge KMP HP C9351AE Nr.21 black 520 S. H29 refilled

**URL:** https://aio.lv/en/product--kmp-19004211--631146
**Data updated:** 2026-01-13 15:26 (EET)
**Category:** Inkjet Printer Cartridges
**Manufacturer:** KMP
**Manufacturer code:** 1900,4211
**EAN:** 4011324190014
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 20.49 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 16.93 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kmp-19004211--631146

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

The KMP HP C9351AE Nr.21 black cartridge is a high-quality refilled ink cartridge designed for reliable printing. It offers a page yield of approximately 1900 pages, ensuring long-lasting performance. This cartridge is compatible with various HP printers, providing sharp and clear text and images. The eco-friendly refilling process reduces waste and supports sustainability, making it an excellent choice for both home and office use.

## Long description

The KMP HP C9351AE Nr.21 black 520 S. H29 refilled cartridge is a refilled black ink cartridge designed for consistent monochrome printing. It delivers an approximate page yield of 1900 pages and is intended as a replacement for original HP Nr.21/C9351AE cartridges in compatible HP printers. The cartridge is produced using a controlled refilling process that aims to restore printhead functionality and ink supply while reducing disposable waste compared with single-use originals.
Advantages
This refilled cartridge offers high yield output suitable for extended printing cycles and maintains sharp, readable text and stable black tones for documents. Reuse through professional refilling lowers environmental impact by diverting cartridges from landfill and reduces cost per page versus many original cartridges. The product is compatible with multiple HP models and is provided ready to install, with standard form factor and electrical contacts matching original specifications.
Suitable for
Everyday monochrome document printing at home
Small office print runs and administrative paperwork
School assignments, reports and student use
Printing invoices, labels and black-and-white forms
Key specifications
Cartridge capacity: High (XL) yield, approximately 1900 pages
Printing colour: Black (mono)
Product type: Refilled ink cartridge
Compatibility: Designed for HP printers compatible with Nr.21/C9351AE form factor
Physical format: Standard replaceable cartridge size and contacts for supported HP models
How to use
Remove the empty cartridge from the printer according to the printer manufacturer’s instructions, taking care to power the printer down or follow hot-swap guidance if specified. Unpack the refilled cartridge, remove any protective tape or packaging, and insert it into the correct slot until it clicks into place. Follow the printer’s on-screen prompts to initialize or align the cartridge if required. Run a test page or print a short document to verify installation and print quality.
Usage recommendations
Store unused cartridges in a cool, dry place away from direct sunlight and extreme temperatures. If print quality degrades, run the printer’s cleaning routine before replacing the cartridge; print a nozzle check or alignment page to confirm performance. Dispose of spent cartridges through local recycling programs or return schemes where available to support environmental goals.

## Specifications

### Features

| Feature | Value |
|---|---|
| Colour | No |
| Print technology | Inkjet printing |
| Compatibility | HP DeskJet 3910, 3915, 3920, 3940, 3940 V, 3950, D 1300, D 1311, D 1320, D 1330, D 1341, D 1360, D 1400, D 1420, D 1430, D 1445, D 1450, D 1455, D 1460, D 1520, D 1530, D 1560, D 2320, D 2330, D 2340, D 2345, D 2360, D 2400, D 2430, D 2445, D 2460, F 2100, F 2110, F 2120, F 2140, F 2149, F 2180, F 2185, F 2200, F 2210, F 2212, F 2214, F 2224, F 2235, F 2240, F 2250, F 2275, F 2280, F 2290, F 2291, F 325, F 335, F 350, F 370, F 375, F 380, F 385, F 390, F 394, F 4100, F 4135, F 4140, F 4150, F 4172, F 4175, F 4180, F 4185, F 4190, F 4194, Fax 1250, Fax 1250 XI, Fax 3180, OfficeJet 1410, 1410 XI, 4300, 4314, 4315, 4315 V, 4315 XI, 4352, 435, 4359, 4625, 4712, J 3600, J 3606, J 3625, J 3635, J 3640, J 3680, J 5520, PSC 1400, PSC 1402, PSC 1410, PSC 1410 XI, PSC 1415 |
| Printing colours | Black |
| Cartridge capacity | High (XL) Yield |
| Quantity per pack | 1 pc(s) |
| Ink type | Pigment-based ink |
| Black ink type | Pigment-based ink |

### Weight & dimensions

| Feature | Value |
|---|---|
| Package type | Box |

### Other features

| Feature | Value |
|---|---|
| Page yield footnote | ISO/IEC 24711 |

## FAQ

### How much does the Cartridge KMP HP C9351AE Nr.21 black cost, and is it available for purchase?

The price is 20.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 20.07.2026 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, 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 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: cartridge capacity, printing colours, 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/631146/62721987_large.webp