Canon MF4500 Series Service Manual page 198

4
Disassembly/Assembly > Pickup And Feeding System > Removing the Pickup Unit Duplex models (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/D550/D520)
1-1-3) Remove the main controller mounting plate [1].
• 4 screws (with washer) [2]
• 2 screws (black TP) [3]
[1]
x6
[3]
1-2) Remove the main controller mounting plate [1].
• 3 screws (with washer) [2]
• 2 screws (black TP) [3]
x5
[1]
[3]
4 Disassembly/Assembly > Pickup And Feeding System > Removing the Pickup Unit Duplex models (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/D550/D520)
[2]
F-4-333
[2]
F-4-334
2) Remove the terminal [1], and then disengage the harness [2] from the harness guide [A].
3) Free the harness retaining spring [3] from the 2 hooks [B].
[2] [1] [A]
4) Remove the 4 connectors [1].
x4
4-135
[2]
[3]
[B]
F-4-335
[1]
F-4-336
4-135