Epson LX-300 User Manual page 67

5. Turn the ribbon-tightening knob in the direction of the arrow
to remove any slack in the ribbon.
6. Insert the ribbon cartridge into the printer as shown; then press
both sides of the cartridge firmly to fit the plastic hooks into
the printer slots.
7. Turn the ribbon-tightening knob to help feed the ribbon into
place; it should not be twisted or creased.
8. Replace the printer cover.
Using the Printer
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