Minolta Di250 Operator's Manual page 143

Align the green labels on the new Imaging
4
Unit with those on the rails in the copier, then
slide the Imaging Unit into the copier.
Holding onto the green hooks of the Imaging
5
Unit, push the Imaging Unit all the way into
the copier until a click is heard.
Close the Right Door.
6
3. When the Message "Please change Imaging Unit." Appears
1166O254AA
1166O124AA
1166O125AA
5-13