Canon ImagePROGRAF iPF650 Series Service Manual page 175

Memo:
When removing or installing the linear scale, move the carriage unit to the HP side on top of the platen to prevent the linear scale from touching the linear encoder
sensor.
2) Remove the left/right cover and left/right ink tank cover.
3) Remove one screw [1], and then remove the carriage upper cover [2].
4) Remove the spring [1], release the notch from the protrusion [2] on the side plate, and then remove the linear scale [3] from the left side.
[1]
[2]
F-4-96
[3]
[1]
[2]
F-4-97
Chapter 4
4-41