An image forming apparatus having a cartridge, a driver unit, a first universal joint, and a second universal joint, is provided. The cartridge is detachably attached to the image forming apparatus and has a first joint to receive a driving force from the image forming apparatus. The driver unit is configured to supply the driving force to the cartridge. The first universal joint is rotatable about a first axis and extends in a first direction based on the driving force. The second universal joint is coupled with the first universal joint and is rotatable along with the first universal joint. The second universal joint has a second joint coupled with the first joint and is rotatable along with the first joint.