A toner cartridge with a handle formed centrally in a trailing end of the cartridge. The handle is dished to comfortably accept a hand and is adapted such that a user will recognize that said handle is dedicated to receiving the user's hand. The cartridge is therefore installed and removed without binding...http://www.google.ca/patents/US7257356?utm_source=gb-gplus-sharePatent US7257356 - Ergonomic toner cartridge
