hp.com Customer Reviews Collected from hp.com
HP - 21 Standard Capacity Ink Cartridge - Black
Average Customer Rating:
4.3 out of 5
4.3
Open Ratings Snapshot
Rating breakdown 271 reviews
5 Stars
201
4 Stars
23
3 Stars
10
2 Stars
6
1 Star
31
89%of customers recommend this product. 
(
105 out of 118
)
Customer Reviews for HP - 21 Standard Capacity Ink Cartridge - Black
Customer Rating
5 out of 5
5
Take no substitutes!!!
on July 24, 2021
Posted by: SassyOwl
from Dundee, Oregon
Verified Purchase:Yes
Every once in a while, I buy off brand ink cartridges, and they always fail to perform. There is nothing like the real thing!! HP cartridges are always reliable, perform well, and last.
I would recommend this to a friend!
Features
5 out of 5
5
Performance
5 out of 5
5
Written by a customer while visiting hp.com
Customer Rating
5 out of 5
5
Clear and black ink
on August 9, 2021
Posted by: Anonymous
Verified Purchase:Yes
HP ink really is my choice of ink for my HP printer because it is the best
I would recommend this to a friend!
Written by a customer while visiting hp.com
Customer Rating
5 out of 5
5
Toner Cartridge 21
on February 17, 2022
Posted by: Anonymous
from Arlington, VA
Verified Purchase:Yes
This can't be beat. Even though a bit more pricey, I have had issues with other cartridges made by other companies. This is the original. This is the best.
I would recommend this to a friend!
Performance
5 out of 5
5
Written by a customer while visiting hp.com
Customer Rating
5 out of 5
5
Great product!
on March 21, 2022
Posted by: Dee Cecchetti
Verified Purchase:Yes
Fast service & great product. I have had great luck with all HP products!
Written by a customer while visiting hp.com
Customer Rating
4 out of 5
4
Ink quantity
on April 30, 2022
Posted by: Stebe H
from Flint MI
Verified Purchase:Yes
Ink does not seem to last very long and I don't print much.
No, I would not recommend this to a friend.
Features
4 out of 5
4
Performance
3 out of 5
3
Written by a customer while visiting hp.com
Customer Rating
2 out of 5
2
Fewer printed pages than advertised
on May 31, 2022
Posted by: Ret Col J
Verified Purchase:Yes
The HP inkjet cartridges we have purchased have consistently provided fewer printed pages than advertised. They seem to be "empty" before they really are out of ink. They also seem to "clog" and stop printing altogether if not used every few weeks. Only rarely will the "clean" routine unclog the print head. [Some other brands seem to be OK even after being idle for six or more months.]
Features
2 out of 5
2
Performance
1 out of 5
1
Response from hp.comBy Amanda HP CareJune 2, 2022
Hi there,

The inkjet cartridges are sensitive. There are a few ideas that may help the clogs. I'm very sorry you had this experience. Instead of using
automatic cleaning, you could try to clean the printheads manually. A damp cloth cleans the copper contacts well. If you are getting fewer pages than advertised, consider the items you are printing. Photos, invites, posters, tables, and graphics deplete the cartridges more than other types of printing.

Amanda
HP Care
www.hp.com/support/
Written by a customer while visiting hp.com
Customer Rating
5 out of 5
5
Quality Through the Years
on July 21, 2022
Posted by: Anonymous
from Cocoa, Florida
Verified Purchase:Yes
I have used this print cartridge in my printer for many years with flawless results. It gives me high quality and lasts a long time.
Written by a customer while visiting hp.com
Customer Rating
2 out of 5
2
fast and efficient
on September 7, 2022
Posted by: Bernard B
Verified Purchase:Yes
Easy to order and delivered very quickly right to the door
I would recommend this to a friend!
Written by a customer while visiting hp.com
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