Ricoh FT5535 Service Manual page 208

3.14 UNFUSED COPY
- Problem -
Solid black areas of the copy rub off easily.
- Possible Causes -
1. The fusing pressure is too low.
2. The fusing temperature is too low.
3. The thermistor is malfunctioning.
- Action -
Adjust the position of the pressure springs to increase the fusing pressure.
No good
Increase the fusing temperature using SP1-105-001 (main fusing lamp) and SP-
105-003 (secondary fusing lamp).
No good
Check the thermistor. If the thermistor is malfunctioning, replace it.
FSM 6-21 FT5535/4527/4522