Panasonic KX-FP250 Operating Instructions Manual page 20

Remove the leaflet from the unit.
Leaflet
If the film in the film cartridge is slack, tighten it
by winding the bottom side gears.
6
Install the film cartridge into the unit.
Blue label
Incorrect Correct
Tight
Bottom side
gears
Film cartridge
Installation label
Make sure that the blue label on the cartridge
matches the one on the unit.
I
Blue labels
Blue gear
Close the cover securely by pushing down on
both corners.
2O