Ricoh FT7770 Service Manual page 255

30
April, '89
FUSING
WARNING: The fusing unit is heavy and maybe hot; be careful when handling the unit.
- Removal -
1. Remove the fusing unit knob (1 reverse threaded
fusing unit cover [B] (3 screws).
2. Open the top unit and slide the fusing unit all the
3. Remove the oil bottle and the oil bottle plate [C] (2 screws).
4. Grasp the fusing unit handles (front and rear) [D], and slide/lift out the
fusing unit (2 screws) toward the front.
- Installation -
5. Fully extend the accuride rails [E].
6. Align the locating tabs [F] on the rear of the fusing unit with the locat-
ing pins [G] on the accuride rails.
If the following step is not done, the fusing unit can come away from the
copier accidentally, possibly causing an injury to the operator.
7. Secure the fusing unit to the accuride rails (2 screws).
When installing the fusing unit cover, make sure the tab [H] on the inside
CAUTION:
of the cover lifts up the oil sump stopper [I]. If not, the sump will fill
and overflow.
5-42
screw) [A] and the
way out.