Intermec PB22 User Manual page 28

Chapter 1 — Using the PB22 and PB32 Mobile Label and Receipt Printer
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2 If necessary, unlock the media support lock before sliding the two
media supports apart.
3 Insert a roll of media and close the media supports so the roll is
held firmly in place. Make sure you load the media clockwise so
that it pulls off the core from the bottom of the printer.
4 Lock the media support lock.
Note: The only time you need to unlock and lock the media
support lock again is when you are changing to a roll with a
different width.
5 Pull out approximately 8 cm (3 in) of the media.
PB22 and PB32 Mobile Label and Receipt Printer User Guide