Patent ID: 8249483

Claim:
A method of replacing a photoconductive drum of a printer cartridge, the photoconductive drum configured to be attached to a laser printer via a rotational force transmitting assembly, the photoconductive drum comprising a drum gear end and a drum flange positioned at the drum gear end, the rotational force transmitting assembly comprising a drum gear coupling member attached to the drum flange, the rotational force transmitting assembly further comprising a drive shaft attached to the drum gear coupling member, the method comprising: providing a tool having an elongated body with a first bent end having a C-shaped claw portion, a second elongated end, and a press part having an opening, the press part being attached to the elongated body; coupling the C-shaped claw portion to the rotational force transmitting assembly; removing the rotational force transmitting assembly from the photoconductive drum by rotating the tool and pulling out the rotational force transmitting assembly from the photoconductive drum; inserting the removed rotational force transmitting assembly into the opening of the press part; and, attaching the removed rotational force transmitting assembly into a replacement photoconductive drum.