Lexmark 302 - Manual (Page 28)

Installing the Ribbon Cartridge and Guide
The following sections describe preparation, installation, and
verification of the ribbon cartridge.
To install a new ribbon cartridge, follow these steps:
1. Slide the print head to the center of the printer.
2. Remove the ribbon cartridge from the package.
3. Remove the yellow clip from the ribbon.
4. Turn the blue ribbon advance knob clockwise to take up slack
in the ribbon. If the ribbon does not move, contact your place of
purchase and replace the ribbon cartridge.
Remove Yellow Clip
Blue Ribbon Advance Knob
1-6 User’s Guide Model 302