Internal Sponge/Reservoir: Absorbs and holds the ink. The standard black cartridge contains a small sponge, while the 305XL contains a larger, more saturated sponge.
Ink Compartments: The black cartridge features one compartment, while the tri-color cartridge contains three separate compartments for cyan, magenta, and yellow ink.
Internal Filter: Protects the print head nozzles from impurities.
Key Specifications
Part Numbers: Black (3YM61AE), Tri-color (3YM60AE).