Olivetti d-Color MF450 Reference Manual page 61

Copy Operations
A maximum of 20 OHP transparencies can be loaded into the bypass tray.
Printing on OHP transparencies is possible only in black.
Before loading envelopes, press them down to make sure that all air is removed, and make sure that
the folds of the flaps are firmly pressed, otherwise the envelopes may become wrinkled or a paper
misfeed may occur.
When loading envelopes, load them with the flap side up, as shown in the illustration. If the envelopes
are loaded with the flap side down, a paper misfeed may occur. The flap side of envelopes cannot be
printed on.
A maximum of 10 envelopes can be loaded into the bypass tray.
d-Color MF550/MF450
Flap side
2
2-25