SATO MB400i Operator's Manual page 32

Setup
3. Place the label roll into the
printer. Make sure the label
roll is placed with the first
label feeding from the
bottom of the roll and not
from the top (see picture).
4. Turn the label roll lightly by
hand and confirm that it
rotates smoothly.
Otherwise, paper may not
be fed correctly during
operation. Close the dial
cover.
* When replacing a label roll
of the same width as that
used previously,
adjustment of the label
guide is not necessary.
5. Close the cover after confirming that the leading
edge of the label is outside the printer.
This completes the label installation for
continuous mode operation.
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