HP 21 Black Ink Cartridge (C9351AN)

Vendor Support:

• Main Website: https://www.hp.com/us-en/home.html
• Support Website: https://support.hp.com/us-en
• Support Phone #: 800-474-6836

Micro Center Return Policy:

We guarantee your satisfaction on every product we sell with a full refund — and you won’t even need a receipt.* We want you to be satisfied with your Micro Center purchase. However, if you need help or need to return an item, we’re here for you!

If an item you have purchased from us is not working as expected, please visit one of our in-store Knowledge Experts for free help, where they can solve your problem or even exchange the item for a product that better suits your needs.

If you need to return an item, simply bring it back to any Micro Center store for a full refund or exchange.

*If you are a Micro Center Insider or if you have provided us with validated contact information (name, address, email address), you won’t even need your receipt.

Accelerate Your Returns with Micro Center's Online Return Check-in!

General Return Policy
Desktop / notebook computers, tablets, processors, motherboards, digital cameras, camcorders and projectors, Cell Phones and Accessories, 3D printers, 3D scanners, and CD/DVD duplicators may be returned within 15 days of purchase. All other products may be returned within 30 days of purchase.

VR Headsets and Headphones (including AirPods, Earbuds, and Over-the-Ear products) are only eligible for return if deemed defective.

Digital Downloads
All Digital Download sales are final and are not eligible for return or refund under the Micro Center Return Policy.

Using the software may require the use of a computer or other device that must meet minimum system requirements. It is recommended that you familiarize yourself with the system requirements before making your purchase. Software system requirements are typically found on the Product information specification page.

Aerial Drones
Micro Center is happy to honor its customary 15-day return policy for Aerial Drone returns due to product defect or customer dissatisfaction. Unfortunately, we cannot accept returns with damage due to pilot error. So let’s be careful out there!

As of December 21, 2015 all drones, regardless of purchase date, between 0.55 lb (8.82 oz, 250 g, 0.25 kg) and 55 lb take-off weight are required by the FAA to be registered for outdoor use. Details regarding registration can be found at: https://www.faa.gov/uas/getting_started/

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