Star Micronics LC-20 User Manual page 13

Figure 1-4. Removing the lop cover
1. Turn the tension knob counterclockwiseon the ribbon cartridge to
tightenthe ribbonif it is slack.
2. Guidethe ribbonbetweenthe printhead andthe platen,makingcertain
that the spindles on the cartridge holder fit into the sockets on the
cartridgeitself.
Figure 1-5. Installing the ribbon cartridge