IMO, Brother makes the most economical inkjet printers. Lexmark and HP inkjets have expensive replacement cartridges and low yield per cartridge.
The Brother multifunction inkjets have a separate cartridge for black, cyan, magenta and yellow, and the replacement-compatible cartridges are only $3-4 each, with up to 450 pages/cartridge. I have a Samsung monochrome laser printer that has been gathering dust since I used the Brother. A drawback with the Brother inkjets is that they have a daily "cleaning cycle", in which a little ink is drawn out. So over time, the cartridges will deplete even if you don't use the printer (as long as it's plugged in). But with the cost of the cartridges, it's negligible, especially since I only use it to print B&W now. I just leave the empty colour cartridges in the printer. It's even cheaper for me to use the inkjet than the laser for B&W; it's only pennies per page.
I have the MFC-240C, but it's discontinued now.
These look like good choices, with a slightly different cartridge (LC61 vs LC51), but still at $3-4/replacement cartridge:
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NCIX.com - Buy Brother MFC-295CN Multifunction Inkjet Printer 27PPM 6000X1200DPI PHOTO/SCAN/COPY/FAX USB LAN - Brother - MFC295CN - in Canada