Description
HP 21 (C9351AE) black compatible ink 475 pages is a high-quality compatible (non-original) HP ink cartridge with black ink for HP 21 series printers. Capacity is ≈ 475 pages (ISO/IEC 24711). Also known as C9351AE, HP 21, 21. Popular searches: „hp 21 c9351ae”, „hp c9351a”, „c9351a”.
Product technical specifications
| Manufacturer | HP |
|---|---|
| Product code (MPN) | C9351AE |
| Colour | Black |
| Page yield | ≈ 475 pages (ISO/IEC 24711) |
| Type | Compatible (aftermarket) |
| Capacity | Standard |
| Warranty | 24 months |
| Delivery | 1–3 working days |
Compatible HP printers
HP 21 compatible ink (C9351AE) is suitable for the following HP printers:
Compatible or original?
This is an affordable compatible ink cartridge. If you prefer the manufacturer’s original, check out HP 21 black original ink. Our compatible ink is fully tested and does not affect the printer’s warranty.
Usage tips
Before installing, remove the protective tape and avoid touching the nozzles or contact pads. If print quality deteriorates, run the printhead cleaning routine (Clean Printhead) from the printer’s menu. Store the cartridge upright in a cool, dry place, and use an opened cartridge within 6 months so the ink doesn’t dry out.
Who is it for?
HP 21 compatible ink is a good fit for those who want to cut printing costs without compromising on quality. Suitable for HP 21 series printers, at home or in the office.
Maintenance and repair
See our printer maintenance and repair service.
Frequently asked questions
What is HP 21 (C9351AE)?
HP 21 (C9351AE) black compatible ink 475 pages is a high-quality compatible (non-original) HP ink cartridge with a yield of about 475 pages (ISO/IEC 24711).
Which printers is HP 21 compatible with?
This compatible ink is suitable for HP 21 series printers, such as HP Deskjet 3920, HP Deskjet 3940, HP Deskjet D1360. You’ll find the full list in the compatibility table above.
How many pages does C9351AE print?
The cartridge yield is ≈ 475 pages (ISO/IEC 24711).
Is compatible ink safe and warranty-friendly?
Yes. Quality compatible ink does not damage the printer or void the manufacturer’s warranty.
How fast is delivery in Estonia?
In-stock products are shipped within 1–3 working days across Estonia.
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