They are cheaper than manufacturer cartridges and work just as well. Basically, I print out work orders to throw away after use. But they do a good job that I can sometimes use for high quality prints.
Cartridge NV Print CE285A for HP LaserJet Pro P1102/P1102w/M1132/M1212nf/M1217, black
13 Review
Get Quality Prints with HP 78A/CE278D Toner-Cartridges for LaserJet Pro M1536 and MFP P1606
11 Review
HP 62XL Tri-color High-yield Ink, Compatible with HP ENVY 5540, 5640, 5660, 7640 Series, HP OfficeJet 5740, 8040 Series, HP OfficeJet Mobile 200, 250 Series, Instant Ink Eligible, C2P07AN
12 Review
Brother TN436BK Super High Yield Toner, Black - Retail Packaging
11 Review