Oki LE810DT User Manual page 15

4. Pull the green Media Supply Guide (1) out as far as it will go, then angle the
label roll over it and push the roll back against the printer housing. Push the
Media Support Guide back in until it fits snugly against the media roll (2).
5. Locate the metal Outside Media Guide (1) under the print path and slide it
toward you as far as it will go.
LE810DT User's Guide 15