Replacement for Hewlett Packard 51640A (HP 40 Black) Ink Cartridge

Regular Price: $29.99


The Replacement for Hewlett Packard 51640A (HP 40 Black) Ink Cartridge is a high-quality, reliable alternative to the original HP cartridge. It offers crisp, clear black printing, long-lasting performance, and easy installation. This replacement cartridge is cost-effective and environmentally friendly, making it a great choice for both home and office use.

In stock! Ships immediately.

SKU: 51640A

Customer Reviews

Based on 38 reviews
John J.
Time will tell

I haven't installed it in the printer yet. I'll let ya know how it works later. Past cartridges have worked well. We'll see on this one.

mike m.
Is this a refill or a new product. The original HP40 was manufactured in Ireland and the cartridg...

I haven't had a chance to use them yet , but I am impressed by the sealed packaging. Will let you know latter but I've used your products before and was very please

Kenneth C.

The first cartridge I opened was not good. It didn’t print sharp lines and letters. The second one is great so far

James D.
Plotter works again

Your cartridge was sealed excellently. Plotter runs perfectly now.

Colin J.

Really appreciate the fast service. My business was hurting because I had no ink for printing plans and was unable to find ink until I contacted swift ink. The ink cartridge works fine. Thanks for the 5 STAR service