Oki ML6300FB User Manual page 61

8. In the direction indicated by the arrows, insert the pins at
both ends of the ribbon cartridge (1) into the U grooves
(2) in the printer until the ribbon cartridge is fully locked.
Note
It may be easier to mount the ribbon cartridge in place
if you align it with the topside of the grooves. Also, a
slightly loose ribbon may make it easier to mount the
ribbon cartridge.
9. Hold the ribbon cartridge (1) with your fingers pressing
on its ribbon guide (2) and slope it upward and inward
Consumables and accessories > 61
1
2