"HP’s business model was to sell printers at a discount and make its money on ink cartridges—classic razor-and-blades. 'That model made sense when the goal was to penetrate more consumer homes and more offices'."news.google.com/articles/CAIiE…
From 2006: "The printer itself accounts for only 1/3 of the profit pool over its life, whereas cartridges account for 2/3s." bcg.com/documents/file…
"Rather than compete on price, the printer maker [Epson] is dropping the cartridge issue entirely’’ iranarze.ir/wp-content/upl…
"We need to optimize our business model, maximize the installed base of 150 million printers."
marketwatch.com/story/with-yet…