User`s manual

Chapter 1 — Using the Printer
46 PX4i and PX6i High Performance Printer User’s Manual
5 Adjust the ribbon supply bobbin for your ribbon.
If your ribbon is 55 to 60 mm (2.16 to 2.3 in) wide, compress
the ribbon supply bobbin and move it so it snaps into the first
(innermost) groove.
If your ribbon is 88 to 90 mm (3.5 in) wide, compress the
ribbon supply bobbin and move it so it snaps into the second
groove.
55-60 mm
(2.1-2.3”)
80-90 mm
(3.5”)