A toner cartridge, comprising: a housing having a top, a bottom, a first side and a second side positioned between a first longitudinal end and a second longitudinal end of the housing, the housing has a reservoir for holding toner; a first electrical contact and a second electrical contact on the first longitudinal end of the housing for contacting a first corresponding electrical contact in the image forming device and a second corresponding electrical contact in the image forming device when the toner cartridge is installed in the image forming device, the first electrical contact of the toner cartridge is electrically connected to processing circuitry positioned on the housing, the second electrical contact of the toner cartridge is electrically connected to an imaging component positioned on the housing, the first electrical contact of the toner cartridge is positioned higher than the second electrical contact of the toner cartridge; and a first drive coupler and a second drive coupler on the second longitudinal end of the housing for mating with a first corresponding drive coupler in the image forming device and a second corresponding drive coupler in the image forming device for receiving rotational motion from the first corresponding drive coupler in the image forming device and the second corresponding drive coupler in the image forming device when the toner cartridge is installed in the image forming device, the first drive coupler of the toner cartridge has a first rotational axis and the second drive coupler of the toner cartridge has a second rotational axis, characterized in that the first electrical contact of the toner cartridge and the second electrical contact of the toner cartridge are positioned higher than the first rotational axis, the first electrical contact of the toner cartridge is positioned higher than the second rotational axis and the second electrical contact of the toner cartridge is positioned lower than the second rotational axis, wherein the first electrical contact of the toner cartridge and the second electrical contact of the toner cartridge are positioned closer to the first side of the housing than the second rotational axis is to the first side of the housing and the second rotational axis is positioned closer to the second side of the housing than to the first side of the housing. a housing having a top, a bottom, a first side and a second side positioned between a first longitudinal end and a second longitudinal end of the housing, the housing has a reservoir for holding toner; a first electrical contact and a second electrical contact on the first longitudinal end of the housing for contacting a first corresponding electrical contact in the image forming device and a second corresponding electrical contact in the image forming device when the toner cartridge is installed in the image forming device, the first electrical contact of the toner cartridge is electrically connected to processing circuitry positioned on the housing, the second electrical contact of the toner cartridge is electrically connected to an imaging component positioned on the housing, the first electrical contact of the toner cartridge is positioned higher than the second electrical contact of the toner cartridge; and a first drive coupler and a second drive coupler on the second longitudinal end of the housing for mating with a first corresponding drive coupler in the image forming device and a second corresponding drive coupler in the image forming device for receiving rotational motion from the first corresponding drive coupler in the image forming device and the second corresponding drive coupler in the image forming device when the toner cartridge is installed in the image forming device, the first drive coupler of the toner cartridge has a first rotational axis and the second drive coupler of the toner cartridge has a second rotational axis, characterized in that the first electrical contact of the toner cartridge and the second electrical contact of the toner cartridge are positioned higher than the first rotational axis, the first electrical contact of the toner cartridge is positioned higher than the second rotational axis and the second electrical contact of the toner cartridge is positioned lower than the second rotational axis, wherein the first electrical contact of the toner cartridge and the second electrical contact of the toner cartridge are positioned closer to the first side of the housing than the second rotational axis is to the first side of the housing and the second rotational axis is positioned closer to the second side of the housing than to the first side of the housing.