Disturbing Facts About Expensive Printer Ink Examined by Robert W Miller
The truth of this article will knock your socks off. Everyone knows that printer ink is expensive, but few recognize just how expensive it actually is. Printer ink is one of the most expensive things that you'll run into when operating an office and it requires frequent replacement. ... That is to sell the razors cheap and charge big for the cartridges. ... However, note that there is a difference between printer ink and printer toner. ... While we have to accept that printer ink is not cheap, let’s examine the matter a little further.

All About Dye-Sublimation Printers by John Sollars
Dedicated photo printers differ from all-purpose printers as they are designed to print photos only, as opposed to text or graphics documents in addition to photos. They are generally compact in size and lightweight, and some models even feature batteries that allow you to print without the need... The term "dye" in the name refers to the solid dyes that were used in the process instead of inks or toner. ... The print head heats the inks to form a gas, controlled by a heating element that reaches temperatures of up to 500° C (higher than the average dye sublimation printer).