A SERVICE OF

logo

3 - 26
3.3.20 Main Control PCB
Note:
When replacing the Main Control PCB, the contents of the EEPROM shall be copied to the
new PCB. This process requires a maintenance utility. (See 4.3.1 4 and 4.3.2 4 for
details.)
The Main Control PCB is different for each model.
OKIPAGE 6e : L5C or L5D
OKIPAGE 6ex : L6A
(1) Remove the upper cover (see 3.3.1).
(2) Remove the lower base unit (see 3.3.8).
(3) Remove two screws 1.
(4) Move the Main Control PCB 2 in the direction of arrow A to disconnect it from the power
supply board 3.
(5) Remove the Main Control PCB 2 together with the PCB guide plate 4 (disconnect the fan
motor connector 5 from the Main Control PCB).
(6) Remove three screws 6 and remove the PCB guide plate 4 from the Main Control PCB 2.
Do not bend or lose ground plate 9.
6
6
4
2
1
1
A
CN1
CN7
5
9
6
3
CN3