Laser Exposure System; Removing The Laser Scanner Unit (Mf4890Dn/Mf4880Dw); Preparation; Procedure - Canon imageCLASS MF4890dw Service Manual

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Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit (MF4890dw/MF4880dw) > Procedure

Laser Exposure System

Removing the Laser Scanner Unit (MF4890dw/

1)Remove the left cover.

2)Remove the DADF unit and reader unit.

3)Remove the right cover.

4)Remove the front cover unit.

5)Remove the upper cover

Do not disassemble the laser scanner unit because adjustment is required.

1) Remove the scanner cover [1].

• 2 screws (black TP) [2]

Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit (MF4890dw/MF4880dw) > Procedure

• When mounting the scanner cover, pass the shutter open/close lever [1] through the

hole [A] in the scanner cover.

• Ensure that the shutter open/close lever [1] can move vertically.