Read Sharp AR-C150 (serv.man5) Service Manual online
B. Major parts functions and operations
No.
Parts
Note
Code
Signal
name
Name
Type
Function/Operation
Active
condition
1
Fusing unit
Heats and presses toner on the
paper to fuse it onto the paper.
paper to fuse it onto the paper.
2
THS3
THS3
Fusing main
temperature sensor
(upper)
temperature sensor
(upper)
Thermistor
Detects the heat roller surface
temperature.
temperature.
Analog input
3
DPID
DPID
Duplex paper entry
detector
detector
Photo sensor (Photo
transmission)
transmission)
Detects paper entry to the duplex
unit.
unit.
L when paper
entry
entry
4
THS1
THS1
Fusing sub
temperature sensor
(upper)
temperature sensor
(upper)
Thermistor
Detects the heat roller surface
temperature.
temperature.
Analog input
When a temperature
difference from the
fusing main
temperature sensor
(upper) is detected, it
is judged that paper
is wrapped around
the fusing roller.
difference from the
fusing main
temperature sensor
(upper) is detected, it
is judged that paper
is wrapped around
the fusing roller.
5
HLTSU
HLTSU
Thermostat (upper)
Cuts conduction of the heater
lamp when the temperature rises
abnormally.
lamp when the temperature rises
abnormally.
6
Cleaning roller
(upper)
(upper)
Cleans the fusing roller (upper)
surface.
surface.
7
FUSM
FUSM
Fusing drive motor
Drives the fusing unit.
8
Oil felt
Supplies oil to the oil roller.
9
Oil blade
Controls the oil quantity on the oil
roller to be even.
roller to be even.
10
Oil roller
Applies oil to the upper heat
roller.
roller.
11
Upper heat roller
Heats and presses toner on the
paper to fuse it onto the paper.
paper to fuse it onto the paper.
12
HL1
HL1
Upper heater lamp
Halogen lamp
Heats the heat roller.
1000W
13
DGS
DGS
Duplex gate
solenoid
solenoid
Drives (open/close) the duplex
paper entry gate.
paper entry gate.
14
Fusing control
PWB (AC sub PWB)
PWB (AC sub PWB)
Interfaces the heater lamp drive
control, sensor, and detector
signals.
control, sensor, and detector
signals.
15
Lower separation
pawl
pawl
Separate paper mechanically
which was not separated from
the lower heat roller.
which was not separated from
the lower heat roller.
16
HL2
HL2
Lower heater lamp
Halogen lamp
Heats the heat roller.
700W
1
2
3
4
5
6
7
8
9
10
11
12
13
14
17
20
19
15
16
18
15
24
22
21
23
26
25
26
26
26
AR-C150
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