Read Sharp MX-5500N / MX-6200N / MX-7000N (serv.man66) Service Manual online
MX-7000N FUSING SECTION O – 3
D. Fusing temperature control
The temperature sensors are provided at the center and the edges
of the upper heat roller, at the center of the lower heat roller, and at
the center and the edges of the external heat roller.
The heat roller temperature is detected by the temperature sensors
to control the heater lamp so that the temperature is maintained at
the specified level.
The fusing temperature is switched according to the paper type
selected.
* For the fusing temperature set value, refer to SIM43-1 in [7] SIM-
of the upper heat roller, at the center of the lower heat roller, and at
the center and the edges of the external heat roller.
The heat roller temperature is detected by the temperature sensors
to control the heater lamp so that the temperature is maintained at
the specified level.
The fusing temperature is switched according to the paper type
selected.
* For the fusing temperature set value, refer to SIM43-1 in [7] SIM-
ULATIONS.
3. Disassembly and assembly
A. Fusing unit
Unit
Page
A
Fusing unit
O - 3
B
Others
O -20
Unit
Parts
Mainte
nance
Page
1
Fusing unit
a
External thermostat main
–
O - 4
b
External thermostat sub
–
c
External thermistor main
✕
▲
O - 5
d
External thermistor sub
✕
▲
e
Upper thermostat main
–
O - 6
f
Upper thermostat sub
–
g
Upper thermistor sub
✕
▲
O - 7
h
Upper thermistor main
–
O - 8
i
Lower thermostat
–
O - 8
j
Lower thermistor
✕
▲
k
Fusing rear detection
–
O - 9
l
Heater lamp external
–
O -10
m
External heat SP
✕
▲
n
Slider ring
✕
▲
o
External heat bearing
✕
▲
p
External heat collar
✕
▲
q
External heat belt
✕
▲
r
External heat roller
✕
▲
s
Heater lamp upper sub
–
O -12
t
Heater lamp upper main
–
u
Fusing gear
✕
▲
v
Upper roller bearing
✕
▲
w
Upper heat roller
✕
▲
x
Lower heater lamp
–
O -14
y
Lower roller bearing
✕
▲
z
Lower heat roller
✕
▲
A
Discharge brush
✕
O -16
B
Transport roller 9 (Drive)
✕
{
O -16
C
Upper separation pawl
✕
▲
O -17
D
Upper separation pawl SP
✕
▲
E
Lower separation pawl
✕
▲
O -18
F
Lower separation pawl SP
✕
▲
G
Web unit
✕
▲
O -19
1-G
1-r
1-q
1
1-v
1-v
1-C
1-C
1-C
1-g
1-w
1-k
1-a
1-b
1-l
1-f
1-e
1-s
1-t
1-x
1-p
1-B
1-m
1-y
1-c
1-d
1-z
1-i
1-p
1-o
1-y
1-E
1-F
1-F
1-E
1-D
1-D
1-h
1-j
1-n
1-o
1-m
1-n
1-u
1-A
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