Oki B4500 Maintenance Manual page 34

2.3.15 Fusing Unit
(1) Remove the upper cover (see 2.3.1).
(2) Remove the operator panel assy (see 2.3.3).
(3) Remove the face up stacker assy (see 2.3.8).
(4) Remove the lower base unit (see 2.3.4).
(5) Remove the stacker cover assy (see 2.3.12).
(6) Remove the connecting cable 1 of the heater and connecting cable 2 of the thermistor from the
hooks of the lower base.
(7) Remove four screws 3, lift and remove the fusing unit 4.
Caution: Fusing unit may be hot. Use care when handling.
Notes : 1.
When reinstalling or removing the fusing unit, tighten or loosen the screws while holding
the fusing unit assy 4 down with your hand (it is being pushed up by back up roller).
When reinstalling the screws 3, be sure to direct the screws into preexisting thread and
2.
avoid damaging the threads.
Do not apply excessive torque when tightening the screws 3.
3.
4. Be careful not to touch (or rotate) the DC motor thoughtlessly. Rotating the DM motor
counterclockwise removes the eject spring. (Refer to 2.3.9.)
2
43502101TH Rev.1
3
1
3
4
Oki Data CONFIDENTIAL
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