Oki Microline 520 Service Handbook page 132

3.2.09 Operator Panel PCB (LEOP)
1. Perform these procedures: 3.2.01, 3.2.06. and 3.2.07.
2. Cut the nylon tie and release the cable. (Not shown)
3. Disengage the claws (1) on both sides of the frame.
4. Lift the operator panel assembly (2) straight up and remove it.
5. Open eight claws (3) and remove the operator panel board (4) from the operator
panel (5).
P/N 53562703 Panel: Operator
P/N 55937502 PCB: LEOP (Operator Panel)
Maintenance
RSPL
RSPL
3 - 20 Microline 520/521 Service Handbook
Both B.2.03
Both B.2.03
P/N 59257803