Olivetti d-Color MF2552 plus Service Manual page 410

1-5-3 Paper feed section
(1) Detaching and refitting the primary paper feed unit
Procedure
1. Remove the cassette.
2. Release the paper feed lever and then
remove the primary paper feed unit.
3. Check or replace the primary paper
feed unit and refit all the removed parts.
4. When replacing the new unit,proceed
as follows:
1)Performs maintenance mode U901
(Checking copy counts by paper feed
locations) (see page 1-3-193).
Service Manual
Cassette
Figure 1-5-13
Primary paper feed unit
Figure 1-5-14
1-5-8
2NP
Paper feed lever
Y116141-8