Paxar TC6021OH Operator's Handbook Manual page 50

Operator's Handbook
5. Check the supply and backing paper tracks (Figure 9).
The motor may be hot.
If the backing paper is wadded, tear the backing paper.
Carefully pull the wadded paper out through the front of
the printer. Remove any labels stuck in the track.
Reload the supplies.
If the backing paper is free, lift it and remove any labels
stuck in the track.
6. Close the supply holder and squeeze the side tabs to
secure it.
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Figure 9
Label Track
Backing Paper
Track