Ricoh FT5233 Service Manual page 28

ELECTRICAL COMPONENT DESCRIPTION
Symbol Name
TH3 Optics
TH4 Duplex motor
(duplex machine
only)
Thermofuse
TF1 Fusing
Thermoswitch
TS1 Optics
Noise filter
NF1
Fuse
FU1 Main (115 V
machine only)
FU2 Sorter line (115
V machine only)
FU3 DF line (115 V
machine only)
Circuit Breaker
CB1 (230 V machine
only)
Relay
RA1 Main power
Transformer
TR1 Main
Counter
CO1 Total
Function
Monitors the temperature of the optics
cavity.
Monitors the temperature of the duplex
motor.
Provides back-up overheat protection in the
fusing unit.
Provides overheat protection in the optics
unit.
Removes electrical noise.
Provides back-up high current protection in
the electrical components.
Provides back-up high current protection in
the electrical components of the sorter.
Provides back-up high correct protection in
the electrical components of the ARDF.
Provides back-up high current protection in
the electrical components.
Controls main power.
Steps down the wall voltage to 100 V ac.
Keeps track of the total number of copies
made.
1-24
12 February 1992
Index No.
98
104
61
70
40
42
46
7
41
45
38
86