HP 21 Black Retail Twinpack | 
 enlarge | Brand: Hewlett-Packard
Category: CE
List Price: $32.99
Buy New: $19.99
You Save: $13.00 (39%)
New (34) Used (3) Refurbished (5) from $14.23
Avg. Customer Rating:  12 reviews
Color: BLACK
Media: Electronics
Autographed: No
Memorabilia: No
Number Of Items: 2
Shipping Weight (lbs): 0.3
Dimensions (in): 4.8 x 2 x 4.6
nv:Product Type: Cartridge
Print Technology: Inkjet
Color: Black
MPN: C9508FN#140
Model: C9508FN#140
UPC: 882780668218
EAN: 0882780668218
ASIN: B000K5V03Q
Availability: Usually ships in 1-2 business days
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| Features:
| • | Depend on genuine HP ink for high-quality, long-lasting results | | • | Maximize your ink efficiency - get fast results and superior fade resistance while using less ink with HP's Vivera inks | | • | Stay on top of ink replacement with HP SureSupply - receive alerts when a cartridge is low, monitor its remaining life, and enjoy easy online ordering or check stock and prices at nearby stores | | • | For use with - HP All-in-One Machines Officejet 4315, Deskjet F380, PSC 1410 Series, HP Fax Machines Fax 1250, HP Inkjet Printers Deskjet 3910, Deskjet 3940 Series, Deskjet 3915, Deskjet 3930 Series, Deskjet D2330, Deskjet D2360 |
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| Editorial Reviews:
Product Description
Get crisp, sharp results in color and black and white / Yields up to 150 pages per cartridge / Two 5 ml cartridges ink volume
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| Customer Reviews: Read 7 more reviews...
 For even better value... December 31, 2008
Buy the HP 21XL high capacity cartridge to get more ink for your $$. You won't be bothered with changing cartridges as often, either. The color cartridge is also available in higher capacity as the 22XL.
 Worst cartridge I've ever used! December 2, 2008
0 out of 1 found this review helpful
I would give this cartridge a negative five stars if I could. I go way back to the 1980's in using computers. I have written many books and could always get 300 type-written, double-spaced pages from one cartridge. Until now, I have never had a complaint about the amount of ink in a cartridge. Then recently, I was given an HP All-in-0ne printer. I bought the twin pack of cartridges, and in no time, I was out of ink, in spite of the fact that the ink level displayed on my screen indicated that the cartridge was 1/4 full. The second cartridge did no better, but it showed I still had 1/2 of the ink left, even though it wouldn't spit out so much as a dot of ink. I figured those two cartridges must have been defective, so I bit the bullet and bought another twin set. I have printed about 15 pages with the latest cartridge, the ink shows 3/4 full, but it no longer prints. Yes, for each recalcitrant cartridge, I cleaned the cartridge as per the printer instructions. However, the only way I could get any more printed pages was to install a new cartridge. So, the barely-broken-in cartridges were obviously out of ink. I called Hewlett Packard, but they were no help. I am not paying exorbitant prices for cartridges with a smidgen of ink in them. I am looking for another brand of printer and will never buy another HP product again, especially not their cartridges.
Pain Banishment, Not Pain Management: A Non-Invasive Treatment for RSD, CRPS, Peripheral Neuropathy, Migraines, Arthritis, Fibromyalgia, and Other Chronic Pain ~ EVEN WHEN NOTHING ELSE WORKS ~
 Works like a charm! October 29, 2008
Just like new! I love this brand because it's so affordable. No problems whatsoever! Saved alot of $$$ too!
 good---but somewhat overpriced (three and one-half stars) June 28, 2008
23 out of 23 found this review helpful
The HP 21 inkjet cartridge is very light, easy to install and allows the printer to print out very good quality, durable black ink on the page. It stores for about a year after you buy it so if you want to stock up for your office or personal printing needs that's great! (It even comes with an expiration date!) HP also packs it well so that it is difficult for the cartridge to become damaged during transit.
One thing that I didn't like, however, is that the ink can go quickly. If you print a lot, you might even need to replace this cartridge every ten days or so. My needs are about 10 pages per week and I have to change the cartridge roughly every six to seven weeks. That's not good; although to be fair to this HP ink cartridge I am printing graphics.
As of the time that I am writing this, why don't we get a better discount for buying two cartridges? I notice the price to buy two is just slightly less than twice the cost of one of these HP 21 ink cartridges--but buying two should be cheaper still since you're buying two and not just one at a time; instead HP wants their customers to pay twice without giving them any discount or "price improvement." You might save a little over a dollar by buying this twinpack; but that's not much. There's just no discount nor is there any financial incentive to buy more than one at a time--and, as one reviewer notes, this is a disappointment.
Three and one-half stars for being great ink in easy to manage and install cartridges. It loses one and one-half stars for not lasting longer AND not giving customers a discount for buying more than one cartridge at a time.
Why do 2 cost more than twice as much as 1? March 4, 2008
1 out of 1 found this review helpful
Why would anyone want to buy a twin pack, which is supposed to save money by "buying in volume", when it is MORE than double the price of a single cartridge? Amazon appears to need some help with their math on this one. Hopefully they'll fix this and my review will become unneeded. Until then, don't assume that a two pack is automatically a better deal.
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