Intermec EasyCoder PX4i User Manual page 55

Chapter 4 — Media Load
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6 In the case of a media roll with a 76mm (3-inch) core, fit an
adapter on the media supply hub.
7 Fit a new roll of media onto the media supply hub and push
the roll inwards as far as it will go.
8 Route the media underneath the slack absorber and forward
towards the print mechanism. The slack absorber can be
rotated for better access and then snap-locked in open
position.
EasyCoder PX4i User's Guide (IPL Version)