Service manual

FO-4700U
FO-47UC
3 – 23
Fig. 15
Spacer
Fusing unit
Backup roller
Fusing entrance guide
(1)
(2)
(3)
voltage mark
3. Remove two screws.
4. To release the upper unit, push in the clip in the upper mid section of
each end, then free the button to the side of each end.
5. Remove the Backup roller.
6. Remove the Fusing entrance guide.
(1) Push the guide to the left.
(2) Pull the right end out.
(3) Pull out the left end.
7. Remove the Lamp holder. (2 screws)
8. Pull out the Heater lamp.
NOTE:
When reinstalling the lamp, position the voltage mark on the
fusing drive gear side. Be sure not to touch the lamp surface
with bare hands.
Replace the Fusing unit about every 50,000 sheets of print.
1. Remove the Rear cover. (6 screws)
2. Remove the Fusing unit. (4 screws, 3 connectors)
NOTE:
Once the Fusing unit is removed, use the following instructions
to make repairs when image quality problems or parts failure
occurs.
15
Rear cover, Fusing unit (1/2)