Dymo LabelWriter 450 Duo Label Printer Quick Start Manual page 9

To load a label cassette
Press the button on the front of the printer to open the label
1
cassette tray.
The first time you use the printer, remove the protective
NOTE
cardboard insert from the label exit slot. See Figure 9.
Make sure the label and ribbon are taut across the mouth
2
of the cassette and that the label passes between the
label guides.
If necessary, turn the ribbon rewind spool clockwise to tighten
the ribbon.
Insert the cassette and press firmly until the cassette clicks
3
into place. Make sure label and ribbon are positioned
correctly. See Figure 10.
Press the button on the front of the printer to close the label
4
cassette tray.
Remove
cardboard
insert
Figure 9
Push down gently
Figure 10
7