Unlike printers that use liquid ink, copy machines use toner cartridges that contain a large amount of colored powder. If a toner cartridge cracks while you're removing or installing it, the powder ...

The photocopiers and laser printers in your office don't use liquid ink. They use a fine powder called toner that they melt onto the paper. Toner contains compounds that are potentially dangerous in ...

Toner powder used by laser printers and photocopiers is a hybrid of carbon and a polymer. The actual polymer utilized differs according to producer, while toner formulations differ between producers, ...