Electrostatic latent image developing device and toner cartridge used therefor

An electrostatic latent image-developing device comprising:

• a toner cartridge equipped with a container having a toner discharge opening, a toner contained in said container, a sealing tape for sealing said toner discharge opening, and take-up shaft for taking up said sealing tape;
• and
• a toner cartridge-holding means having a toner-receiving opening and allowing detachably to mount said toner cartridge;
• wherein said toner cartridge-holding means is equipped with a toner cartridge mount detection switch that is disposed at a predetermined position that has been set depending upon a region where the device is to be used and is inserted in an electric circuit for feeding electric power to an electric motor that drives said take-up shaft;
• and
• said toner cartridge is equipped with an operation piece that is disposed at a predetermined position that has been set depending upon a region where the device is to be used and closes said toner cartridge mount detection switch in a state where said toner cartridge is mounted on a predetermined mounting position of said toner cartridge-holding means.