Canon MF8100 Series, Service Manual, Page: 128 / 296

Chapter 3
3-38
F-3-241
3.2.17.14 Removing the Lower Case Assembly
0007-7951
1) Remove the screw [1], and disconnect the 5 connectors [2].
F-3-242
2) Remove the screw [1] from the left side of the machine.
F-3-243
3) With care, shift down the machine to the left; then, remove the 8 screws
[2] from the bottom, and detach the lower case assembly [3].
F-3-244
When you shift down the machine, be sure to take care to avoid injury by the
edge of the side plate. Also, be sure to hold it by its grip segment.
Be sure to place a cushioning material (g., towel) on the work table to protect
the protrusions of the machine from damage.
Moreover, be sure to tape the opening of the laser scanner assembly to pre-
vent intrusion of toner in the optical path of the assembly before shifting
down the machine.
If you must detach the lower case assembly, base user to hold it by its bottom
so as to avoid injury by the edge of its side plate.
3.2.17.15 Removing the Sub High-Voltage Power Supply
PCB Unit
0007-7952
1) Remove 2 screws [1], disconnect the connector [2], remove the faston [3],
and remove the 4 claws; then, detach the sub high-voltage power supply
PCB unit [5].
F-3-245
3.2.17.16 Removing the High-Voltage Power Supply PCB
0007-7953
1) Remove the 6 claws [1], remove the 2 screws [2], and disconnect the 2
connectors [3]; then, detach the high-voltage power supply PCB [4].
F-3-246
3.2.18 Sub High-Voltage Power Supply PCB
3.2.18.1 Removing the Fixing Assembly
0011-7863
1) Turn the lever [1] of the fixing assembly 90 deg in the direction of the
arrow.
2) While holding the grip [2], slide out the fixing assembly [3] toward the
front and out of the machine.
Whenever you have to replace the fixing assembly, be sure to disconnect the
power cord first. Also, be sure to wait unit the fixing assembly has cooled
before removing it after disconnecting the power cord.
[1] [1]
[1] [1] [2]
[3]
[1]
[2]
[1]
[2] [3]
[2]
[2]
[2]
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[2]
[4]
[3]
[1]
[2]
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