Ricoh FT 4015 Service Manual page 13

20 December 1996
Symbol Name
Fusing Thermofuse
TF2
Fusing Thermistor
TH1
Optics Thermistor
TH2
Transformer
TR
ELECTRICAL COMPONENT DESCRIPTIONS
Function
Provide back-up overheat protection in the
fusing unit.
Monitors the temperature around the
exposure lamp for overheat protection.
Monitors the temperature around the
exposure lamp for overheat protection.
Steps down the wall voltage to 30 Vac and 8
Vac.
1-11
Index No.
36
35
19
15