Intermec PB50 User Manual page 30

Chapter 1 — Using the Mobile Printer
4 Insert a dummy core and press the media adjust guide until the
dummy core is held firmly in place.
5 Load the fanfold media from the bottom of the printer.
6 Pull out approximately 8 cm (3 inches) of the media.
18 PB50 and PB51 Mobile Printer User Guide