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The HP 685 Black Original Ink Advantage Cartridge (SKU: CZ121AA) is a genuine, standard-capacity pigment ink tank designed for crisp daily document printing. It utilizes specialized formulated inks to ensure sharp, dark borders and fade-resistant text on regular and glossy media. You can cross-reference technical details or register your consumable directly on the global HP Product Support network. [1, 2, 3, 4]
Full Product Description
The HP 685 Black cartridge features an integrated print management system that communicates directly with your printer. This continuous connection monitors ink levels accurately to prevent half-printed pages. Because it utilizes pigment-based ink, the output dries almost instantly, preventing smudges from highlighters and providing superior water resistance compared to dye-based alternatives. It is engineered specifically to prevent printhead clogging, ensuring consistent jetting even if the printer sits idle for several weeks. [1, 2, 3, 4, 5]
Printer Compatibility Matrix
This cartridge features a precise physical keying mechanism and only works with specific HP DeskJet Ink Advantage series e-All-in-One models. It is not interchangeable with HP 680, 682, or 678 cartridges.
HP DeskJet Ink Advantage 3525 e-All-in-One
HP DeskJet Ink Advantage 4615 All-in-One
HP DeskJet Ink Advantage 4625 e-All-in-One
HP DeskJet Ink Advantage 5525 e-All-in-One
Detailed Specifications
Specification Details
Product Number / SKU
CZ121AA
Ink Color
Black
Ink Type
Pigment-based
Page Yield
~550 pages (Tested under ISO/IEC 24711 standards)
Cartridge Volume
~14 ml
Print Head Nozzles
336 nozzles
Operating Temperature
5°C to 35°C (41°F to 95°F)
Storage Temperature
-40°C to 60°C (-40°F to 140°F)
Package Weight
~0.05 kg (50 grams)