If you're in a hurry and you're out of ink, don't get hung up on the fine print about the item only containing a fraction of the ink you need - now I've got extra the lowest ink consumption.
Cartridge NV Print MLT-D111L for Samsung, black
13 Review
Cool Toner 055H Compatible Toner Cartridge Replacement for Canon: High-Quality Ink for Your Printer (Black Cyan Magenta Yellow, with Chip, 4-Pack)
12 Review
HP LaserJet 1102/1130/1132/1210 Compatible Cartridge Cactus CS-CE285AS
22 Review
Inkjet MFP Canon PIXMA G3415, color, A4, black
17 Review