Kyocera 300ci Service Manual page 45

1-2-4 Installing the cassette heater (option) (inch specifications only)
Installing the cassette heater requires the following component:
Cassette heater (P/N 302H794760)
Two (2) M4 x 10 screws (P/N 7BB780410H)
Procedure
1. Press the power key on the operation panel
to off. Make sure that the power indicator
and the memory indicator are off before
turning off the main power switch. And then
unplug the power cable from the wall outlet.
2. Remove cassette 1 and 2.
3. Remove the screw and then remove the
connector cover.
4. Place the cassette heater by engaging it
with the four hooks.
5. Fit the cassette heater using two screws.
Screw
Connector cover
Hook
Hook
Hook
2JZ/2JX/2JV/2H7-5
Cassette heater
Hook
Screw
Cassette heater
Figure 1-2-32
Screw
1-2-23