Positional control features of a replaceable unit for an electrophotographic image forming device

A replaceable unit for an electrophotographic image forming device, comprising:

• an elongated body extending along a lengthwise dimension between a front end and a rear end of the body, the body further including a first side, a second side, a top and a bottom, the body having a reservoir for holding toner;
• a drive element on a rear face of the body at the rear end of the body unobstructed to mesh with a corresponding drive element in the image forming device on an outer axial end of the drive element of the replaceable unit when the replaceable unit is installed in the image forming device;
• an electrical contact on the rear face of the body unobstructed to contact a corresponding electrical contact when the replaceable unit is installed in the image forming device;
• an extension downward from the bottom of the body near the rear end of the body, the extension having a downward chute formed therein in fluid communication with the reservoir, a rear face of the extension unobstructed to receive a bias force in a forward direction toward the front end of the body along the lengthwise dimension;
• an outlet port on the bottom of the extension in fluid communication with the chute for transferring toner out of the reservoir;
• and
• a latch catch on the first side of the body having a front surface that faces toward the front end of the body and that is unobstructed to contact a corresponding latch when the replaceable unit is installed in the image forming device to restrain the body from moving in the forward direction along the lengthwise dimension.