Hv-Board / Motor-Fan; Led Assy - Oki B721 Maintenance Manual

Oki Data CONFIDENTIAL

3.2.11 HV-Board / Motor-FAN

(1) Remove the Cover-Rear-Blind. (Refer to 3.2.3)
(2) Remove the Cover-Side-L. (Refer to 3.2.4)
(3) Remove the three screws (silver) ① and the two screws (black) ② , disengage
the claw, and remove HV-Board ③. Be careful not to lose the Spring-Contact ④.
(4) Disconnect all cables from the HV-Board ③ .
(5) Remove the two screws (silver/28mm) ⑤ , and remove the Motor-FAN ⑥ .
Note! 1. Be careful to install the Motor-FAN ⑥ in the proper direction.
⑤
⑥
②
②
①
45487001TH Rev.1
Claw
④
×
5
③

3.2.12 LED Assy

(1) Remove the ID unit. (Refer to 3.2.1)
(2) While pushing the LED Assy ① in the direction of the arrow (a), unhook the part
A by pulling it in the direction of the arrow (b).
(3) Remove the LED Assy ① , and disconnect the FFC cable from it.
A
b
a
①
3. Component replacement
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