Ricoh FT6645 Manual page 24

23 April 1993
Symbol
TH2 Optics Thermistor
TH3 Drum Thermistor
(Located on the ID
Sensor Ass'y)
H1 Transfer
Anti-Condensation
H2 Optics
Anti-Condensation
RA1 Main Power Relay
CO1 Total Counter
NF1 Noise Filter
CB1 Circuit Breaker
LA1 Lightening Arrestor
Name
Monitors the temperature of the
optics cavity.
Monitors the temperature of the
OPC drum.
Turns on when the main switch is
off to prevent moisture from
forming on the transfer belt.
Turns on when the main switch is
off to prevent moisture from
forming on the optics.
Controls main power.
Keeps track of the total number of
copies made.
Removes electrical noise.
Provides back-up high current
protection for the electrical
components.
Removes current surges from the
AC input lines.
ELECTRICAL COMPONENT DESCRIPTION
Function
1-23
Index
No.
36
41
31
35
107
114
115
116
118