Part Replacement Procedure - Oki MC770 Maintenance Manual

Oki Data CONFIDENTIAL

1.2 Part replacement procedure

This section describes the procedure for replacing the parts and assemblies shown in the
disassembly diagrams below.
1.2.1 Board-GOI,Frame.Assy-Hop etc
(1) Remove the Screw (silver,No:41723901) ① and remove the Joint ② (2 places),and
remove the LCF Unit ③ from the MFP .
(This procedure unnecessary for B721/B731)
(2) Draw out the Cassette ④ from LCF Unit.
(3) Remove the ten screws (silver,No:42920408) ⑤ and remove the Cover-
Side(L) ⑥ ,Cover-Side(R) ⑦ .
(If the LCF for B721/B731, remove the four screws)
(4) Remove the four screws (silver,No:42920408) ⑧ and remove the Plate-
Joint(L) ⑨ ,Plate-Joint(R) ⑩ .
(This procedure unnecessary for B721/B731)
(5) Remove the thr ee scr ew s (silver,N o : 4 2 9 2 0 4 0 6 ) ⑪ and t wo scr ew s
(black,No:44883906) ⑫ and remove the Plate-Top ⑬ .
(If the LCF for B721/B731, remove the seven screws (silver,No:42920406) and two
screws (black,No:44883906))
45393301TH Rev.1
①
②
③
①
(6) Remove all cables ⑮ and connectors from the Board ⑭ .
(7) Remove the two screws (black,No:44883906) ⑯ and remove the Board-GOI ⑭ .
(8) Remove the two screws (silver,No:42920406) ⑰ and remove the Plate-Front ⑱ .
(9) Remove the four screws (black,No:44883906) ⑲ and remove the Frame.Assy-
Hop ⑳ .
(10) Remove the two screws (silver,No:43497603)  and remove the Connector  .
(11) Remove the Claw and remove the Switch  .
(12) Remove the four screws (black,No:44883906)  and remove the Liftup-Motor-
Assy . Remove the two screws(silver,PSW2W2.6-5C)  and remove the motor .
⑨
⑪
⑫
⑮
⑳
⑥
⑤
×5
②
⑱
⑰
×2 ④
1.REPLACEMENT OF PARTS
⑧
×2 ⑧
×2
⑪
⑩
⑬
⑪
⑫
⑯
×2
⑭
⑲
×4
㉑
×2
㉒
㉖
×2
㉕
㉔
×4
㉓ ㉗
⑦
⑤
×5
7 /