Sharp FO-3800M, Servise Manual

Page: 44 / 180

e. Fusing, paper exit section
No.
Parts
MODEL Note
Code Signal name Name Type Function/operation Active condition
1 Heat roller Heats toner on the paper
and fuses onto the paper. LOW (0V) when
paper is
detected.
2 POUT POUT IN Paper exit detector Photo transmission
sensor Detects paper exit.
3 RTH IN Fusing temperature
sensor Thermistor Detects the heat roller
surface temperature.
4 Temperature fuse 1
(Fusing section) Mold Assures safety in
overheating.
5 Temperature fuse 2
(Fusing section) Mold Assures safety in
overheating.
6 HL Heater lamp Halogen lamp Heats the heat roller. 100V series 10V 500W
120V series 120V 500W
200V series 230V 500W
7 Pressure roller Applies a pressure to the
heat roller and paper to
improve fusing efficiency.
8 Paper exit roller Discharges paper after
fusing.
9 Separation pawl Separates paper from the
fusing roller mechanically.
10 Paper exit roller Discharges paper outside
the machine after fusing.
11 Pressure spring Applies a pressure to the
heat roller, paper, and
pressure roller to improve
transfer efficiency.
7)
8)
11)
9)
1)
9)
10)
5)
4)
3)
2) POUT
6)
7)
8)
11)
1)
11)
10)
9)
6)
3)
2) POUT
4) 5)
FO-3800M
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