Olivetti d-Color MF2552 plus Service Manual page 440

(2-1) Remarks on engine PWB replacement
NOTE: When replacing the PWB, remove the EEPROM (YS1) from the PWB and then reattach it to the new
PWB.
Detaching of EEPROM
1. The flat screwdriver is inserted between
EEPROM and socket.
2. Detach it little by little right and left and
alternately while noting the
transformation and the damage of the
pin.
Service Manual
EEPROM (YS1)
Figure 1-5-69
EEPROM
Soket
Figure 1-5-70
1-5-38
Engine PWB
Flatscrew driver
Y116141-8
2NP