Olivetti d-Color MF2613 Plus Service Manual page 240

7. Release five hooks (hook A → B) and
then remove the front cover.
8. Slide the power source cover backward
and then remove it.
Service Manual
Front cover
Hook A
Hook B
1-5-54
Hook B
Figure 1-5-83
Power source cover
Figure 1-5-84
2PX/2PY-1
Hook A
Y116670-7