Ricoh Grand Kingfisher A245 Service Manual page 11

26 September 1997
Symbol Name
Lower Tray Heater
H3
(Option)
Exposure Lamp
TF1
Thermofuse
Fusing Thermofuse
TF2
Fusing Thermistor
TH1
Optics Thermistor
TH2
Transformer
TR
ELECTRICAL COMPONENT DESCRIPTIONS
Function
Turns on when the main switch is off to keep
paper in the lower paper tray dry.
Provide back-up overheat protection around
the exposure lamp.
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.
9
Index No.
37
23
41
40
21
17