Read Sharp AR-M700 (serv.man21) Service Manual online
: Feb. 6 2004
1
AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 102
■
AR-M700N/U
Code
Signal
name
Name
Type
Function/Operation
Active condition
Note
RTH1
RTH1
Fusing temperature
sensor (1)
sensor (1)
Thermistor Detects the surface temperature of the fusing roller
(heating). (Center section)
Analog input
RTH2
RTH2
Fusing temperature
sensor (2)
sensor (2)
Thermistor Detects the surface temperature of the fusing roller
(heating). (Edge section)
Analog input
HLTS1
HLTS1
Thermostat (1)
Shuts conduction to the heater lamp when the temperature
rises abnormally. [For the fusing roller (heating)]
rises abnormally. [For the fusing roller (heating)]
HLTS2
HLTS2
Thermostat (2)
Shuts conduction to the heater lamp when the temperature
rises abnormally. [For the fusing roller (heating)]
rises abnormally. [For the fusing roller (heating)]
HL1
HL1
Heater lamp (1)
Heats the fusing roller (heating).
HL2
HL2
Heater lamp (2)
Heats the fusing roller (heating).
RTH3
RTH3
Fusing temperature
sensor (3)
sensor (3)
Thermistor Detects the surface temperature of the auxiliary heat roller.
HLTS3
HLTS3
Thermostat (3)
Shuts conduction to the heater lamp when the temperature
rises abnormally. [For the auxiliary heat roller]
rises abnormally. [For the auxiliary heat roller]
Analog input
HL3
HL3
Heater lamp (3)
Heats the auxiliary heat roller.
FUM
FUM
Fusing motor
Drives the fusing unit.
No.
Name
Function/Operation
Active
condition
Note
1
Fusing roller (heating)
Heats toner on paper and fuses it on paper.
2
Separation pawl
Mechanically separates paper which was not separated naturally from the
fusing roller (heating).
fusing roller (heating).
3
Fusing roller (pressing)
Heats and presses toner on paper.
4
Auxiliary heat roller
Heats the fusing roller (pressing).
5
Separation pawl
Mechanically separates paper which was not separated naturally from the
fusing roller (heating).
fusing roller (heating).
1
RT H1
RTH2
RTH 3
HLTS1
HLTS2
HL1
HL
FUM
2
HL3
HLTS3
1
2
2
1
1
2
3
4
4
3
2
1
A
B
A
B
PCU
4
8
10
3
9
9
1
5
2
2
Drawer connector
Cross-
sectional
view of
connector
sectional
view of
connector
Sub power PWB
1
1
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