Printronix L5535 Operator's Manual page 131

3. Reload the paper. The first fold of the paper should face the
printer; otherwise, a paper jam could occur during printing (see
illustration). Do not push the paper past the tractors into the
area of the paper jam sensor.
Legend:
1) Left Tractor
2) Right Tractor
3) First paper fold is toward printer.
Paper Jam Near The Tractor
1
2
3
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