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 ...

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, ...

Someday, left-over toner in discarded printer cartridges could have a second life as bridge or building components instead of as trash, wasting away in landfills and potentially harming the ...

Our family laser printer recently started flashing the "Low Toner" warning. I did the usual trick of rocking the cartridge, and then allowed the Geeklings to print out their essays and assignments for ...