Ink Cartridge HP 304 Black (Original) — HP N9K06AE / compatible with HP printers

Original HP 304 Black ink cartridge (HP N9K06AE) supplies black pigment ink designed for compatible HP inkjet printers. Intended for everyday text documents, drafts and general home or small office printing, this cartridge offers straightforward installation and consistent black output for readable documents and plain text materials.

Advantages

This original HP cartridge uses pigment-based black ink formulated to deliver sharp, legible text and reliable performance on plain paper. As an OEM product, it is designed to communicate with compatible HP printers for simple recognition, status reporting and predictable page yields. The cartridge's compact form factor allows easy replacement and minimal handling during installation.

Suitable for

• Everyday document printing and plain text pages
• Homework, study materials and personal correspondence
• Small office forms, invoices and internal drafts
• Home printing tasks where standard-capacity black ink is sufficient

Key specifications

• Ink colour: Black (pigment)
• Compatibility: Designed for use in compatible HP inkjet printers that accept HP 304 cartridges
• Capacity: Standard‑capacity black cartridge suitable for general printing needs
• Package type: Single black ink cartridge
• Intended media: Plain paper and standard office papers

How to use

Turn the printer on and open the cartridge access door to allow the carriage to move to the replacement position. Remove the used cartridge by pressing the release tab and pulling it out, then remove the new cartridge from its packaging and take off any protective tape or covers. Insert the new HP 304 Black cartridge into the correct slot until it clicks into place, close the access door and follow any on‑screen prompts to complete alignment or initialization. After installation, print a test page or alignment page if prompted to ensure optimal text quality.

Usage recommendations

Store unused cartridges in their original packaging in a cool, dry place away from direct sunlight. Use the cartridge within the period recommended by the manufacturer for best results. For consistent print quality on important documents, use appropriate plain office paper and allow prints to dry briefly before stacking.