Canon iPF6100 Service Manual page 208

Chapter 4
3) Remove the three screws[1], and then remove the tube guide[1] and the wire guide [3].
[2]
4) Remove the front duct[3] by removing the four screws[2] and freeing ink tube from the guide[1].
4-36
[1]
[3]
[2]
[1]
F-4-62
[3]
[2]
F-4-63