# Ink Cartridge Uprint C-521B / CLI521BK Black for compatible printers **URL:** https://aio.lv/en/product--uprint-c-521b--11870690 **Data updated:** 2026-03-09 20:34 (EET) **Category:** Inkjet Printer Cartridges **Manufacturer:** Uprint **Manufacturer code:** C-521B **EAN:** 3584770882341 **Warranty:** 2 Years **Availability:** Available for order **Price:** 6.49 € **Prices and availability valid until:** 2026-07-12 23:59 **Price without VAT (21%):** 5.36 EUR **Can be purchased by legal entities:** Yes (invoice) **Buy:** https://aio.lv/en/product--uprint-c-521b--11870690 ## Delivery options | Delivery method | Delivery time | Cost | |---|---|---| | Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free | | Pickup points | 06.07.2026 | 1.99 EUR | | Courier delivery to door | 06.07.2026 | 4.99 EUR | ## Summary description Uprint C-521B (CLI521BK) black ink cartridge designed for use in compatible inkjet printers. Contains black dye-based ink in the specified C-521B/CLI521BK format, intended for printing text documents and everyday graphics. Suited for home and small office use where replacement black cartridges are needed; easy to install and replace following printer instructions. ## Long description The Uprint C-521B / CLI521BK Black ink cartridge provides a dye-based black ink supply designed for compatible inkjet printers. It is intended primarily for printing sharp text documents and everyday graphics, offering straightforward replacement for worn or empty black cartridges. The cartridge fits printers that accept the C-521B / CLI521BK format and is suitable for home and small office environments where reliable black printing is needed. Advantages This black ink cartridge delivers clear, legible text and consistent black tones for routine printing tasks. The dye-based formulation is optimized for fast drying on common office papers and reduces smudging under normal handling. The cartridge is designed for easy installation and removal according to the printer manufacturer's instructions, minimizing downtime and simplifying maintenance of compatible inkjet printers. Suitable for Printing text documents such as letters, reports, and invoices Everyday black-and-white graphics and charts Home printing tasks and school assignments Small office printing with moderate daily volume Key specifications Ink type: dye-based black ink Color: black Compatibility: designed for printers that accept the C-521B / CLI521BK cartridge format Usage: text and everyday graphics printing Form factor: single black cartridge for easy replacement How to use Turn off the printer or follow the printer's recommended procedure for cartridge replacement, then open the printer cover and remove the empty cartridge according to the device instructions. Unpack the replacement cartridge, remove protective seals if present, and insert it into the correct slot until it locks into place. Close the printer cover and run a test print or nozzle check from the printer menu to confirm proper installation and ink flow. Usage recommendations Store unused cartridges in their original packaging at room temperature and away from direct sunlight. Use the cartridge within the manufacturer's recommended timeframe after opening to maintain print quality. For best results, use paper recommended for inkjet printing and perform periodic printhead maintenance as specified by your printer's documentation. ## FAQ ### How much does the Uprint C-521B / CLI521BK Black Ink Cartridge cost, and is it available for purchase? The price is 6.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 01.07.2026 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 Uprint 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 Uprint 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 https://aio.lv/img/cache/product/11870690/67283889_large.webp