Canon IMAGE FORMULA DR-6010C - Manual (Page 74)

Chapter 4 Maintenance
4-10
4
Move the roller unit to the right a and then pull it out b.
Attaching the Roller Unit
1
Align the cutout on the roller unit with the shaft pin on the main unit.
Note
If the cutout and pin do not fit, rotate the roller until the parts are properly matched.
2
Slide the roller lock lever to the left and raise the roller unit into position.
3
Push the roller lock lever up to lock the roller unit.