Our office once purchased a generic toner comparable to this toner and the quality of the prints were horrible. We are very, very satisfied and happy with the great quality of the HP 78A Black Toner Cartridges, Pack of 2. Because of the HP 78A Black Toner Cartridge, we now have great quality prints. The Best Quality ever. I highly recommend this toner.

The most important thing to me about these laser cartridges is they last a long time. I do what I consider above anerage amount of printing and I ususally get about 2-3 years use. They never dry out like the ink jet types so if you don't use it for awhile, it will still be ready to go when you need it.

As the printers that use this cartridge become obsolete, the price is increasing.

I use this toner cartridge in an HP1536dnf printer and it works great.

I realized that my toner was getting low and I would need a new cartridge probably when I would be really busy printing church bulletins and envelopes for mailing at my office desk. This cartridge appears to be easily installed with the directions enclosed. Should be a great product for the HP printer that specifies this cartridge.