Canon Color imageRUNNER C4580, Service Manual

Page: 476 / 851

Chapter 11
11-39
11.5.3.4 Procedure at Replacing the Fixing
Unit
Points to Notes at Replacing/Disposing the
Fixing Unit
The heat pipe is used at the upper belt of the fixing
unit to even the heat at the rear front direction. The
heat pipe is a part that the small amount of liquid is
vacuum-encapsulated in the airtight container. Thus,
do not throw the heat pipe in the fire because it will
burst. When disposing the fixing unit, be sure to
shred.
1. Applying Grease to the Fixing Drive Unit/Belt
Displacement Control Motor Unit
When replacing the fixing unit, apply SUPER LUBE
GREASE (the standard tool: parts number FY9-
6005-000, in tube) to the specified locations of the
fixing drive unit and belt displacement control motor
unit.
Points to Note at Applying Grease
Do not apply Super Lube Grease to the areas other
than the specified areas. It may cause failure.
a. Applying Grease to the Fixing Drive Unit
The portions to apply grease are as follows.
- Apply approx. two soybean-size of grease to the
center area [A] of the gear [1].
- Apply approx. one soybean-size of grease to the
end [B] of the gear [1].
F-11-43
b. Apply Grease to the Belt Displacement Control
Motor Unit
The portions to apply grease are as follows.
- Apply approx. one soybean-size of grease to the
end [A] of the gear [1].
- Apply approx. one soybean-size of grease to the
center area [B] (inside of the sheet metal [3]) of
the gear [2].
- Apply approx. one soybean-size of grease to the
end [C] of the gear [2].
- Apply approx. one soybean-size of grease to
each end [D] [E] of the gear [4].
F-11-44
2. Executing the Service Mode After Replacing
the Fixing Unit
When the fixing unit was replaced, be sure to
perform the following procedure at the service mode.
- Clear the fixing delivery print counter
COPIER > COUNTER > DRBL-1 > FX-BLU-
U
- Execute the operation of HP search of the fixing
belt and the pressure belt
COPIER > FUNCTION > FIXING > FX-UHP-
S
COPIER > FUNCTION > FIXING > FX-LHP-
S
Points to Note When Replacing the Fixing
Unit
In the case of executing HP search operation of the
fixing belt and the pressure belt, the alarm code is
closed, and the total rotating time of the fixing
assembly is cleared.
Thus, make sure to execute this mode when
replacing the fixing unit otherwise it may cause the
[A]
[1] [B]
[A] [D] [E]
[3] [B] [C] [2] [4]
[1]