Specifications

7.5 THERMISTOR AND THERMOFUSE REPLACEMENT
1. Turn off the main switch and unplug the power supply cord.
2. Open the front cover and remove the left inner cover.
3. Lower the transport guide plate.
4. Disconnect the fusing lamp connector [A].
5. Remove the rear cover and remove the ac drive board. (See Fusing
Lamp Replacement.)
6. Disconnect the thermistor connector [B].
7. Open the exit unit and remove the cleaning unit and fusing unit cover [C]
(1 screw each).
8. Remove the left upper cover. (See Left Upper Cover Removal.)
9. Remove the safety switch actuator bracket [D] (1 screw).
10. Remove the upper fusing stay [E] as shown (2 screws).
11. Replace the thermistor [F] and/or thermofuse [G] (1 screw each).
NOTE: a) When reinstalling the stay [E], make sure that the front and rear
hooks stay are inserted into the side frames as shown.
b) Make sure that each harness is properly wired as shown.
[B]
[C]
[D]
[G]
[F]
[A]
[E]
1 December 1990
5-85