Patent ID: 8879953

Claim:
A replaceable unit for an electrophotographic image forming device, comprising: a housing having an internal reservoir for storing toner; and a circuit board retainer on an exterior surface of the housing, the retainer including: a top having an undersurface having first and second supports extending away from the undersurface of the top toward a bottom of the retainer and extending in a direction from a front of the retainer to a rear of the retainer, the front of the retainer facing a direction of insertion of the replaceable unit into the image forming device; a pair of opposed side walls on the undersurface of the top, the opposed side walls positioned intermediate the first and second supports and extending away from the undersurface of the top toward the bottom of the retainer and extending in the direction from the front of the retainer to the rear of the retainer, each opposed side wall includes a bottom surface that faces toward the bottom of the retainer and is spaced closer to the top of the retainer than bottom surfaces of the first and second supports; a rear wall positioned on the undersurface of the top transversely to the pair of opposed side walls and adjacent the rear of the retainer, the rear wall extending away from the undersurface of the top toward the bottom of the retainer, the rear wall includes a bottom surface that faces toward the bottom of the retainer and is spaced closer to the top of the retainer than the bottom surfaces of the first and second supports; a circuit board seated against the bottom surfaces of the opposed side walls and the rear wall, the circuit board including processing circuitry and electrical contacts, the electrical contacts of the circuit board facing toward the bottom of the retainer; and the top and the first and second supports form an opening at the front of the retainer sized to receive an electrical connector of the image forming device for mating with the circuit board when the replaceable unit is installed in the image forming device.