OKIDATA OL600e, Servise Manual

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Service Guide OL600e/610e/610ePS
Chapter 3 Parts Replacement
3.3.20 Main Control PCB
The Main Control PCB is different for each model. OL600e : LQ5C-PCB OL610e and OL610e/PS :
LQ6C-PCB
(1) Remove the upper cover (see 3.3.1).
(2) Remove the lower base unit (see 3.3.7).
(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) Disconnect the LED head cable, the fan motor connector 5, the main motor connector CN2, and the
registration motor connector CN3 from the Main Control PCB CN1. On the OL610e/ PS, disconnect the
operator panel cable. Then remove the Main Control PCB 2 together with the PCB guide plate 4
(6) Remove three screws 6 and two posts 7, and remove the PCB guide plate 4 from the Main Control
PCB 2. Do not bend or lose ground plate 9.
Note: All user settings are lost when the main logic board is changed.