Abstract: A photoconductive drum for an electrophotographic image forming device according to one example embodiment includes a cylindrical drum member. A shaft defines a rotational axis of the photoconductive drum. An end cap is positioned at an axial end of the drum member. An electrical contact is positioned against an axially inboard side of the end cap. The electrical contact electrically connects the shaft to the drum member. The electrical contact includes a plurality of projections that contact an inner circumferential surface of the drum member. A plurality of grooves are formed in an outer circumferential surface of the end cap.

Abstract: A photoconductive drum for an electrophotographic image forming device according to one example embodiment includes a cylindrical drum member. A shaft defines a rotational axis of the photoconductive drum. An end cap is positioned at an axial end of the drum member. An electrical contact is positioned against an axially inboard side of the end cap. The electrical contact electrically connects the shaft to the drum member. The electrical contact includes a plurality of projections that contact an inner circumferential surface of the drum member. A plurality of grooves are formed in an outer circumferential surface of the end cap.

Abstract: A toner cartridge according to one example embodiment includes a housing having a toner reservoir. An outlet is positioned on the housing for exiting toner from the toner cartridge. An insert is selectably installable in the toner reservoir. The insert separates a first portion of the toner reservoir that is in fluid communication with the outlet from a remainder of the toner reservoir when the insert is installed in the toner reservoir providing a reduced capacity toner reservoir in the first portion of the toner reservoir.

Abstract: A toner cartridge according to one example embodiment includes a housing having a toner reservoir. An outlet is positioned on the housing for exiting toner from the toner cartridge. An insert is selectably installable in the toner reservoir. The insert separates a first portion of the toner reservoir that is in fluid communication with the outlet from a remainder of the toner reservoir when the insert is installed in the toner reservoir providing a reduced capacity toner reservoir in the first portion of the toner reservoir.

Abstract: A photoconductive drum assembly according to one embodiment includes a photoconductive drum rotatable about a rotational axis in first and second rotational directions. A spring brake has a coiled portion wrapped around a portion of the photoconductive drum at its axial end and around the rotational axis of the photoconductive drum. The spring brake has a first arm and a second arm. The first arm is positioned to flex in an unwinding direction causing the coiled portion to unwind upon the first arm receiving a force in the first rotational direction. The first arm is positioned to flex in a winding direction and to push the second arm in an unwinding direction relieving winding of the coiled portion caused by the flexing of the first arm in the winding direction of the first arm upon the first arm receiving a force in the second rotational direction.

Abstract: A photoconductive drum assembly according to one embodiment includes a photoconductive drum rotatable about a rotational axis in first and second rotational directions. A spring brake has a coiled portion wrapped around a portion of the photoconductive drum at its axial end and around the rotational axis of the photoconductive drum. The spring brake has a first arm and a second arm. The first arm is positioned to flex in an unwinding direction causing the coiled portion to unwind upon the first arm receiving a force in the first rotational direction. The first arm is positioned to flex in a winding direction and to push the second arm in an unwinding direction relieving winding of the coiled portion caused by the flexing of the first arm in the winding direction of the first arm upon the first arm receiving a force in the second rotational direction.

Abstract: A roll for use in an electrophotographic image forming device according to one example embodiment includes a shaft defining an axis of rotation of the roll. The roll includes an outer circumferential surface having a pair of axial ends. Recessed grooves and/or raised ribs are present in the outer circumferential surface near the axial ends. The recessed grooves and/or raised ribs are angled relative to the axis of rotation of the roll away from a direction of rotation of the roll from the axial ends inward or parallel to the axis of rotation of the roll to direct toner away from the axial ends.

Abstract: A toner cartridge for an electrophotographic image forming device according to one example embodiment includes a housing having a reservoir for storing toner. The toner cartridge includes a first vent having an inlet opening positioned to receive air from outside the housing, an outlet opening positioned to exit the received air into the reservoir, and a one-way valve that permits airflow through the first vent from the inlet opening to the outlet opening and prevents airflow through the first vent from the outlet opening to the inlet opening. A check valve limits airflow through the first vent from the inlet opening to the outlet opening.

Abstract: A toner cartridge for an electrophotographic image forming device according to one example embodiment includes a housing having a reservoir for storing toner. The toner cartridge includes a first vent having an inlet opening positioned to receive air from outside the housing, an outlet opening positioned to exit the received air into the reservoir, and a one-way valve that permits airflow through the first vent from the inlet opening to the outlet opening and prevents airflow through the first vent from the outlet opening to the inlet opening. A check valve limits airflow through the first vent from the inlet opening to the outlet opening.