Canon imageRUNNER 2270 Service Manual page 890

Chapter 4
2) Fit the 6 points [A] indicated in the
figure in the holes of the base; then,
mount the sensor base [2] using 4 screws
[1].
F-4-35
3) Mount the gear [1] and the E-ring [2].
Be sure not to leave out the pickup
solenoid [1]. When mounting it, be sure
that the stop [2] is fully engaged with the
cam gear [3].
4-18
F-4-36
Try turning the gears to be sure that they
turn without resistance.