It's a problem not uncommon for many new printer owners — their printer needs a cartridge refill, and now they're at the store, unsure of whether to buy ink or toner or if there's even a difference ...

The Epson EcoTank ET-2550 might look like a standard small form inkjet printer, but there's one big difference: instead of the traditional inkjet cartridges that most printers use to put images and ...