Epson LQ-850 User Manual page 109

3. Unwrap the new ribbon, and turn the ribbon-tightening knob in the
direction of the arrow to remove excess slack.
4. Hold the new ribbon cartridge by its handles, and firmly insert it
into position, making sure that the plastic hooks fit into the slots
as shown below. (The LQ-850 ribbon cartridge has only one
handle.)
5. Use a pointed object, such as the tip of a pencil, to guide the
ribbon between the print head and the ribbon guide. At the same
time, turn the ribbon-tightening knob in the direction of the arrow
to help guide the ribbon into place.
6. Check to see that the ribbon is not twisted or creased. You can
check the installation by sliding the print head from side to side
along the carriage. Reattach the printer cover.
Replacing the Ribbon
5-3