Sharp MX-6240N / MX-7040N (serv.man29) Service Manual ▷ View online
MX-7040N DISASSEMBLY AND ASSEMBLY 10 – 65
e. Pressure roller gear, Pressure roller bearing, Pressure
roller
1)
Remove the web unit.
2)
Remove the screw, and remove the cover.
3)
Remove the screw, and remove the cover.
4)
Disconnect the connector from the sensor. Remove the screw,
and remove the rear transport unit.
and remove the rear transport unit.
5)
Remove the screw, and remove the pressure release unit.
6)
Remove the screw and remove the Fusing middle paper guide.
CAUTION: When attach the paper guide, insert the paper guide
under the separation plate.
7)
Disconnect the connector of the heater lamp. Remove the
screw, and remove the holder.
screw, and remove the holder.
1
1
2
1
1
1
1
2
2
2
1
3
2
2
3
2
1
1
1
1
Insert the pawl
into the square
hole and slide it
to attach.
into the square
hole and slide it
to attach.
Insert the
paper guide
under the
separation
plate.
paper guide
under the
separation
plate.
Insert the paper
guide under the
separation plate.
guide under the
separation plate.
2
3
1
MX-7040N DISASSEMBLY AND ASSEMBLY 10 – 66
8)
Disconnect the connector of the heater lamp.
9)
Remove the screw, and remove the lamp holder. Remove the
heater lamp.
heater lamp.
10) Remove the spring. Remove the screw, and remove the fixing
plate. Remove the pressure roller unit. Remove the gear.
11) Remove the C-ring from the pressure roller, and remove the
pressure roller gear. Remove the pressure roller gear, and the
frame.
frame.
f. Separation plate
1)
1)
Remove the spring, and remove the separation plate.
2)
Remove the screw from the separation plate.
1
2
1
2
3
1
1
4
5
2
2
2
2
3
3
1
2
3
4
4
3
2
1
1
2
1
2
1
2
MX-7040N DISASSEMBLY AND ASSEMBLY 10 – 67
g. Fusing paper exit detector
1)
1)
Remove the rear transport unit.
2)
Remove the E-ring and the bearing. Remove the screw, and
remove the holder. Remove the fusing paper exit detector.
remove the holder. Remove the fusing paper exit detector.
h. Heat insulation bushing, Heat roller bearing, Meandering
suppression collar, Heat roller
1)
Remove the web unit.
2)
Remove the pressure roller unit.
3)
Remove the separation plate.
4)
Disconnect the connector of the fusing belt unit.
5)
Remove the screw, and remove the fuser belt unit.
CAUTION: Handle the fusing belt unit integrally with the fusing unit
case.
Never attach the fusing belt unit to another unit. If it
should be attached to another unit, the meandering
adjustment function of the fusing belt turns into an
unbalanced state, resulting in breakage of the belt.
Never attach the fusing belt unit to another unit. If it
should be attached to another unit, the meandering
adjustment function of the fusing belt turns into an
unbalanced state, resulting in breakage of the belt.
6)
Remove the screw, and remove the lamp holder. Remove the
heater lamp.
heater lamp.
7)
Remove the spring.
8)
Remove the C-ring, the heat insulation bushing, the heat roller
bearing, and the meandering suppression collar.
bearing, and the meandering suppression collar.
4
2
3
5
1
1
2
1
1
1
2
2
3
1
1
2
2
3
4
3
4
MX-7040N DISASSEMBLY AND ASSEMBLY 10 – 68
9)
Remove the heating roller.
i. Fusing roller bearing, Fusing roller, Fusing belt
1)
1)
Remove the C-ring, and remove the gear. Remove the C-ring,
and remove the fusing roller bearing.
and remove the fusing roller bearing.
2)
Remove the screw, and remove the holder.
3)
Remove the fusing roller, and the fusing belt.
[Handling of the fusing belt]
Note that the fusing belt used in this model is different from the con-
ventional ones, and use enough care when handling as described
below.
Note that the fusing belt used in this model is different from the con-
ventional ones, and use enough care when handling as described
below.
A. Removal from the package
1)
1)
Insert your fingers inside the belt surface, and extend it with
your fingers to slowly lift and remove.
your fingers to slowly lift and remove.
2)
When putting the fusing belt on a work table, put it vertically to
the work table without making a sound.
the work table without making a sound.
3)
Never touch the outer surface of the fusing belt.
B. How to hold the belt when checking the belt surface
1)
1)
After removing the fusing belt as in A-1, stretch the belt surface
with your fingers from the inside for check.
with your fingers from the inside for check.
C. Other cautions
1)
1)
Do not put the fusing belt diagonally onto a work table.
2)
Do not put anything on the fusing belt which is standing.
4
3
2
1
1
2
3
4
1
1
2
2
2
1
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