Ricoh SP5 Series Service Manual page 356

FUSING UNIT
6.9.2 FUSING THERMISTOR AND FUSING THERMOFUSE
REPLACEMENT
[C]
[A]
A229R531.WMF
Fusing Thermistor Replacement
1. Remove the fusing unit. (Refer to Fusing Unit Removal.)
2. Remove the knob [A] (1 screw).
3. Remove the two screws that hold the fusing front cover [B].
4. Pull the lever [C], then lower the cover [B] to unhook the fusing unit.
5. Remove the fusing unit upper cover [D] (1 screw).
6. Replace the thermistor [E] (1 screw, 1 connector).
NOTE: When re-assembling the fusing unit, secure the harness in the clamps
correctly. Apply a little silicone oil to the point where the thermistor
contacts the hot roller.
Fusing Thermofuse Replacement
1. Remove the fusing unit upper cover [D]. (Refer to Fusing Thermistor
Replacement.)
2. Remove the terminal bracket [F] (2 screws).
3. Disconnect the three connectors [G].
4. Replace the fusing thermofuse [H] (1 screw).
NOTE: When re-assembling the fusing unit, secure the harness in the clamps
correctly.
[D]
[G]
[B]
[F]
6-84
June 30, 1998
[E]
[H]
[G]
A229R575.WMF