2.3.21 Main Control Board - Oki B4500 Maintenance Manual

2.3.21 Main control board

(1) Remove the upper cover assy (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 five screws 1 and two screws 2.
(6) Remove the connector FAN, and disconnect the fan motor 3.
(7) Remove the three connectors PW_1, PW_2 and HVIF.
(8) Remove the Main control board 4.
Note : 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.)
43502101TH Rev.1
1
3
2
1
Oki Data CONFIDENTIAL
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