Intermec PB42 User Manual page 22

To load media
1 Slide the media cover release button to the unlocked (left)
position.
Media cover
release button
2 Press the media cover release button to open the media cover.
3 Insert the media roll between the two media supports until it
fits into place. Make sure you load the media clockwise so
that it pulls off the core from the bottom of the printer.
PB42/PB42c Portable Receipt Printer User's Guide
Media
cover
Media cover
release button
21