The sheer size of the ink galaxy took me by surprise. But it shouldn't have. The reason so much choice exists is simple. As the prices of printers have dropped drastically over the past decade, ink prices haven't. Nowadays, every time I replace the black-and-white cartridge in our $80 Deskjet 3650 with a new name-brand HP No. 27 (which last week cost $17.88 at Amazon), the replacement adds another 22 percent to the cost of the printer.
"Most of the profit in the printer industry is in the printer supplies, which is why the manufacturers want proprietary products to go into their printers as much as possible, and it's why we sell well over a thousand different printer products," said Dana Larrabee, president of InkjetCartridge.com ...