Main Control Pcb - Oki ML420 Maintenance Manual

3.3.12 Main Control PCB

(1) Remove the upper cover (see 3.3.4 (1) – (5)).
Remove three screws 1, and release the Main Control PCB 2 by lifting clamp 4.
(2)
Disconnect all cables from Main Control PCB 2.
(3)
(4) To install, follow the removal steps in the reverse order.
Note on installation:
(1) Insert one sensor lever 3 between sensor when installing the Main Control PCB 2.
(2) Make sure that there is not any dust or oil on the connector contact sections A to
B. If it is found, wipe it off by alcohol.
Attention in exchange:
When changed the Main control PCB
1
2
1
42113931TH Rev.1
execute chapter 4 4-7.
2
4
2
3
B
A
Sensor
3
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