Ricoh Aficio 220 Service Manual page 587

OPTIONAL UNITS
[B]
[A]
A895I401.WMF
[C]
[A]
A895I402.WMF
If installing the G4 unit at the same time, do steps 4 and 5.
4. After unpacking the G4 unit, remove the G4 board [A] from the G4 unit [B].
5. Attach the G4 board [A] to the G3 unit [C].
A265/A267 3-8 SM