MX-M350/M450 N/U MAINTENANCE AND DETAILS OF EACH SECTION 7 - 25
a-3. Thermistor
1) Remove the fusing unit.
2) Remove the screw, and remove the fusing drawer. Remove the
connector.
3) Remove the screw, and remove the thermistor.
a-4. Lower heat roller
1) Remove the fusing unit.
2) Release pressure with the pressure adjustment lever.
3) Remove the screw, and open the fusing unit.
4) Open the fusing rear lower PG.
5) Remove the lower heat roller, and remove the lower heat roller
bearing.
a-5. CL roller
a-6. CL roller bearing
1) Remove the fusing unit.
2) Remove the lower heat roller.
3) Remove the CL roller, and remove the CL roller bearing.
a-7. Heater lamp
1) Remove the fusing unit.
2) Open the fusing unit.
3) Remove the screw, and remove the heater lamp.
∗ Be careful not to mistake the installing position of the heater
lamp.
∗ When installing, loosen the screws on the front side (drawer
ON side) then the screws on the rear side (gear side) in this
sequence.
∗ Check to confirm again that the screws are tighten securely. (If
any screw is loosened, a bad contact may cause heating.)
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