Symbol Name Function Index No.
SOL9
2nd separation roller Controls the up/down movement of the
separation roller in the 2nd feed station.
118
SOL10
3rd separation roller Controls the up/down movement of the
separation roller in the 3rd feed station.
116
Lamps
L1
Fusing Provides heat to the hot roller.
144
L2
Pressure Provides heat to the pressure roller.
143
L3
Exposure Applies high intensity light to the original for
exposure.
129
L4
Quenching Neutralizes any charge remaining on the
drum surface after cleaning.
126
Heaters
H1
Lower tray (option) Turns on when the main switch is off to keep
paper dry in the 3rd paper tray.
138
H2
Upper tray (option) Turns on when the main switch is off to keep
paper dry in the 1st and 2nd paper trays.
134
H3/H4
Transfer belt/roller Turns on when the transfer roller
thermoswitch detects 20C
°
or less to keep
the resistance of the transfer roller at a
constant level.
136/137
H5
Optics
anti-condensation
Turns on when the main switch is off to
prevent moisture from forming on the optics.
148
H6
Drum Turns on when the main switch is off to
prevent moisture from forming around the
drum.
131
Thermistors
TH1
Fusing Monitors the temperature of the hot roller.
133
TH2
Pressure roller Monitors the temperature of the pressure
roller.
142
Thermofuses
TF1
Fusing Opens the fusing lamp circuit if the fusing
unit overheats.
132
TF2
Pressure roller Opens the pressure roller lamp circuit if the
fusing unit overheats.
141
Thermoswitches
TS1
Optics Opens the exposure lamp circuit if the 1st
scanner overheats.
130
TS2
Transfer belt/roller Detects the temperature around the transfer
roller in order to keep the resistance of the
transfer roller at a constant level.
135
Overall Machine
Information
SM 1-19 A172/A199
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