Get the best from your Sharp AR series digital copier and enjoy quality, crisp prints by installing a genuine Sharp Black Toner Cartridge (AR-270LT). Your copier will display the message Toner Supply Is Low when the current cartridge is running out. Youll need to order a replacement as soon as possible and install it when you see the message Change the Toner Cartridge. This standard yield toner cartridge is packed with enough toner to print 6500 pages.