Canon Pixma printers use individual ink cartridges for each of four to six colors. Cartridges have a small microchip that will need to be reset when you refill them, so you'll need a chip reset device ...

Mont Blanc makes unbelievably gorgeous pens, but they also make terrific ink, high-quality points and smart refill technology. The pens cost hundreds of dollars; the refills, about $12. You can cut ...