Genuine HP C8842A Versatile Black Ink Print Cartridge, a specialty industrial ink cartridge rather than a standard desktop printer cartridge.

It is commonly used in addressing, mailing, packaging, and industrial printing systems. 

• Ink Type: Pigmented aqueous (water-based) ink
• Ink Volume: 40 ml
• Resolution: Up to 600 dpi
• Print Swath: 0.5 inch

Suitable for printing on both porous and some coated/non-porous mediaPrints efficiently on a wide variety of substrates without needing to switch cartridges.

This includes matte, plain paper, glossy/coated media, varnished stocks, and Tyvek.

Engineered to dry quickly at high speeds on porous surfaces and coated papers, ensuring smudge-free production (though a heater/dryer is sometimes recommended for coated media)