Symbol
Index
No.
Description Note
Heaters
H1 38
Drum Turns on when the main switch is off to keep
the temperature around the drum charge roller
at a certain level. Also prevents moisture from
forming around the drum.
H2 46
Optics
Anti-condensation
(option)
Turns on when the main switch is off to prevent
moisture from forming on the optics.
H3 37
Lower Tray
(option)
Turns on when the main switch is off to keep
paper dry in the lower paper tray.
Thermistors
TH1 69
Main Fusing Monitors the temperature at the central area of
the hot roller.
TH2 70
Secondary Fusing Monitors the temperature at the ends of the hot
roller.
TH3 47 Optics Monitors the temperature of the optics cavity.
TH4 49
Drum Charge Monitors the temperature of the drum charge
roller.
Thermofuses
TF1 68
Main Fusing Provides back-up overheat protection in the
fusing unit.
TF2 67
Secondary Fusing Provides back-up overheat protection in the
fusing unit.
TF3 18
Exposure Lamp Opens the exposure lamp circuit if the 1st
scanner overheats.
Counters
CO1 40 Total Keeps track of the total number of copies made.
CO2 N/A
Key
(option)
Used for control of authorized use. The copier
will not operate until it is installed.
Others
CB1 9
Circuit Breaker
(220 ~ 240V machines
only)
Provides back-up high current protection for
electrical components.
CC1 10 Choke Coil Removes high frequency current.
TR1 7
Transformer
(220 ~ 240V machines
only)
Steps down the wall voltage to 100 Vac.
FT5535/4527/4522 2-12 FSM
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