Canon imageRUNNER 2270 Service Manual page 467

Chapter 10
2) Shift the locking lever [1] to the left to
release the developing assembly.
F-10-60
3) Slide the developing assembly [1]
slightly to the front; then, disconnect the
connector [2].
10-38
F-10-61
4) Remove the developing assembly [1].
F-10-62