Olivetti d-Copia 6500MF Plus Service Manual page 598

18. Check or replace the primary paper
feed unit and refit all the removed parts.
*: When refit the primary paper feed unit,
you must confirm the inserted pin to the
driving coupler.
19. When the primary paper feed unit is
replaced, perform maintenance mode
U903 (clearing the jam counter) (see
page 1-3-186).
Run "Maintenance counter – cassette –
cassette counter clear" with U251
(Maintenance counter set/clear) (see
page 1-3-133).
Service Manual
Driving coupler
Primary paper
feed unit
Primary paper
feed unit
Figure 1-5-29
1-5-18
Pin
Driving coupler
Primary paper
feed unit
2N8/2N7-1
Pin
Y116520-3