Canon MF4500 Series Service Manual page 200

4
Disassembly/Assembly > Pickup And Feeding System > Removing the Pickup Unit Duplex models (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/D550/D520)
8) Remove the 6 screws (TP) [1] and the screw (with washer) [2].
[2]
x7
9) Remove the pickup unit [2] while holding down the pickup tray [1].
4 Disassembly/Assembly > Pickup And Feeding System > Removing the Pickup Unit Duplex models (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/D550/D520)
[1]
F-4-340
[2]
[1]
F-4-341
Caution:
When mounting the pickup unit [1], ensure that the contact spring [2] is in contact with
the area [A]. Make sure the grounding contact point [3] is in contact with the area [B].
Mount the pickup unit [1] while holding down the pickup tray [4].
[3]
[2]
[1]
Note:
The below picture shows how to wind the harness.
4-137
[B]
[A]
[4]
F-4-342
F-4-343
4-137