Olivetti d-Copia 284MF Service Manual page 193

8. Remove five screws and then remove the
control PWB.
9. Check or replace the control PWB and refit
all the removed parts.
To replace the control PWB, remove the
EEPROM (U17) from the old control PWB
and mount it to the new control PWB.
Y111030-4
Screw
Screw
CF guide
EEPROM
U17
Service Manual
Control PWB
Screw
Controller box
Control PWB
Screw
Figure 1-5-62
2JN
Screw
1-5-41