Ink cartridge ACTIS KH-21R compatible for HP 21XL C9351A — black, pigment ink 20 ml, high (XL) yield, single pack

The Actis KH-21R ink cartridge is a compatible replacement for HP 21XL (C9351A) black cartridges. It contains 20 ml of ink and is offered in an XL high-yield format to cover regular home and office printing tasks. The cartridge is refurbished and designed to deliver consistent black output with printers that accept the HP 21XL specification.

Advantages

This compatible Actis cartridge provides a cost-effective alternative to original HP cartridges while maintaining clear black text and good print consistency. The XL capacity reduces the frequency of replacements compared with standard-capacity cartridges. Refurbished production follows quality checks to ensure proper fit and basic performance on supported HP models.

Suitable for

Key specifications

How to use

Turn off the printer and open the cartridge access cover. Remove the empty cartridge according to the printer manufacturer’s instructions and insert the Actis KH-21R cartridge until it clicks into place. Close the access cover, power on the printer if needed, and run a test print or alignment procedure if prompted by the device to ensure correct installation.

Recommendations

Store the cartridge in a cool, dry place and install it before the expiry period printed on the packaging. If print quality issues appear after installation, run the printer’s cleaning and alignment utilities and verify the cartridge is seated correctly. For critical color matching or high-resolution photo tasks, consider using original manufacturer cartridges.