Ricoh FT4480 Field Service Manual page 111

15 MARCH 1987
- THERMISTOR REPLACEMENT -
2. Remove the fusing unit cover [A] (2 screws).
3. Remove the pressure plate [B] (2 screws).
4. Remove the oil supply pad [C] (2 screws and 2 clamp plates [D]).
5.
Remove any excess oil from the oil sump and remove the oil sump
[E] .
6.
Unhook the thermistor spring [F].
7. Remove the thermistor wire from the metal wire clamp [G] (1 screw)
and remove the thermistor [H] (1 connector).
8. Replace the thermistor and reassemble.
NOTE: -
Make sure that the thermistor is properly contacted with the hot
roller.
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