Sharp ER-A770 Instruction Manual page 70

Ink ribbon
cassette
Take-up knob
Ink ribbon
2.
Pulling the release levers, lift up the auto cutter.
3.
Rotate the take-up knob of the ink ribbon cassette in
the direction of the arrow to tighten the ink ribbon.
4.
Push the ink ribbon cassette to the left, then lift up its
right side to remove it.
5.
Rotate the take-up knob of the new ink ribbon
cassette to tighten the ink ribbon. Install the new ink
ribbon cassette so that the ink ribbon sets into the gap
between the dot head nose assembly and paper guide
as shown at the left.
6.
Close the auto cutter and install the ribbon cover and
the paper cover.
69