A blue and black inkjet cartridge is refilled with bright red ink. Once an inkjet cartridge is clicked into place, you are free to print what you want, in as many colors as you like — yellow, red, blue, green, black.
A close-up photograph of a black, bubblejet ink cartridge shows detail of the microchip. When ink is low, simply remove old cartridges and replace them with new. Or, go green and use refillable ink cartridges.
A large format printer, which is used to print newspapers and other large format projects, is photographed in action. In this image, the printer appears to be printing a colorful advertisement.