Paxar Monarch 9855 RFID Printer - Manual (Page 23)

10. Close the printhead by pressing down on the thumb well until
you hear it click into place.
11. Close the cover.
12. Press Feed/Cut to position the supply under the printhead.
You may need to adjust the wide/narrow knobs depending on
the width of your supply. See "Adjusting the Wide/Narrow
Knobs" for more information.
If the printer will be unused for extended
periods of time, we recommend leaving the
printhead unlatched.
Thumb Well
Loading Supplies 2-5