Olivetti d-Color MF2613 Plus Service Manual page 214

3. Remove three screws and then remove
the engine PWB.
4. Check or replace the engine PWB and
refit all the removed parts.
*: To replace the engine PWB, remove the
EEPROM (U1) from the old engine PWB
and mount it to the new engine PWB.
Service Manual
Screw
Screw
EEPROM (U1)
Figure 1-5-40
1-5-28
2PX/2PY
Screw
Engine PWB
Y116670-7