Laser Exposure System; Location; Before Removing The Laser Scanner Unit; Duplex Models - Canon MF4500 Series Service Manual

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Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit Duplex models (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/D550/D520)

Laser Exposure System

Location

[1]
No. Name Service Parts No.
FM4-6894 MF4580dn/MF4570dn/MF4550d/
MF4553d/MF4554d/D550/D520
[1] Laser Scanner Unit
FM4-6929 MF4450/MF4452/MF4453/MF4430/
MF4420n/MF4410/MF4412
[2] Laser Scanner Motor - -
4 Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit Duplex models (MF4580dn/MF4570dn/MF4550d/MF4553d/MF4554d/D550/D520)
1) Remove the left cover. (Duplex models) (Refer to page 4-31)
2-1) Remove the DADF unit and reader unit. (models with DADF) (Refer to page 4-40)
2-2) Remove the SADF unit and reader unit. (models with SADF) (Refer to page 4-53)
2-3) Remove the copyboard cover and reader unit. (models with copyboard) (Refer to page
3) Remove the right cover. (Duplex models) (Refer to page 4-33)
4) Remove the front cover unit. (Refer to page 4-35)
5) Remove the upper cover. (Refer to page 4-35)
[2]
F-4-286
Reference
1) Remove the scanner cover [1].
p. 4-115
• 2 screws (black TP) [2]
p. 4-117
-
T-4-47

Before Removing the Laser Scanner Unit

Duplex models (MF4580dn/MF4570dn/MF4550d/
MF4553d/MF4554d/D550/D520)
4-64)

Removing the Laser Scanner Unit

Duplex models (MF4580dn/MF4570dn/MF4550d/
MF4553d/MF4554d/D550/D520)
Caution:
Do not disassemble the laser scanner unit because adjustment is required.
x2
4-115
[2]
[1]
F-4-287
4-115