Honeywell PC300T User Manual page 19

Note: The printer can only use ribbon that is "ink out," which means that the ribbon is loaded
with the inked side (dull side) facing out.
1. Press in on the cover latches on both sides of the printer and open the cover.
Caution: Open the cover completely to ensure that it does not close shut
2. Adjust the ribbon core switches according to the diameter of the ribbon core:
PC300T/PC310T Desktop Printer User Guide
while you are loading the ribbon.
• For 1/2 inch ribbon cores, the ribbon core switch must be in the outward
position. Hold the ribbon turnplate for the switch and use a Phillips
screwdriver to push in and turn the switch counter clockwise.
• For 1 inch ribbon cores (or if you are using the ribbon adapter), the ribbon
core switch must be in the inward position. Hold the ribbon turnplate for the
switch and use a Phillips screwdriver to push in and turn the switch
clockwise.
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