Toner cartridge for use in an image forming device

A toner cartridge for use in an image forming device, comprising:

• a housing having a top, a bottom, a front, and a rear positioned between a first side and a second side of the housing, the housing defining a reservoir for containing toner therein, the housing having an elongated shape between the first side and the second side;
• an exit port in fluid communication with the reservoir and facing downward on the front of the housing near the first side;
• a toner delivery system for transferring toner from the reservoir out of the exit port that includes a main interface gear for providing rotational power to the toner delivery system, a portion of the main interface gear being exposed on the front of the housing near the top of the second side and engagable with a corresponding drive gear in the image forming device;
• a rearward facing opening exposed at the rear of the housing near the first side of the housing and extending into the housing from the rear of the housing toward the front of the housing for receiving a first engagement feature in the image forming device;
• and
• a forward facing opening exposed at the front of the housing near the first side of the housing and extending into the housing from the front of the housing toward the rear of the housing for receiving a second engagement feature in the image forming device, the forward facing opening overlaps with the rearward facing in a side-to-side dimension of the housing.