Epson T850700 Light Black Ink Cartridge

I have been using Epson printers the last decade, and I have also concluded that 80ml as used in the 3800 and the current 3880 printers is just about the smallest ink cartridge that makes monetary sense if you do any proper volume of printing. Any smaller and cheaper printer with lower capacity ink cartridges - also from Epson - will soon have cost you more than the professional A2 printers.

It varies depending on what you print, of course, but at ?35 per cartridge, my calculations indicate a...