Patent ID: 8660463

Claim:
An image forming apparatus, comprising: a main body that includes a first engagement part; a first unit configured to be removably installed in the device main body, the first unit including: a frame; a pivot shaft formed on the frame; a grip part that is rotatable around the pivot shaft, the grip part including a second engagement part that is configured to engage with the first engagement part, a pivot shaft hole that is configured to receive the pivot shaft, and a user operable operation part; and a second unit configured to be removably installed in the main body, wherein when the second unit is laid on the first unit, the second unit presses the operation part and causes the grip part to rotate in a first direction such that the second engagement part engages with the first engagement part, the first unit is a transfer unit that is configured to transfer a developer image onto a medium, and the second unit is an image forming unit that is configured to form the developer image.