Toshiba B-SX600 SERIES - Manual (Page 37)

4. LOADING THE RIBBON
4- 4
8. Push up the Upper Unit Unlock Lever to unlock
the Upper Unit. Hold the Upper Unit Handle
and push the Upper Unit downward until it is
locked.
Precautions
Whenever the Upper Unit is lifted in the event
of an error, turn the knob of the Ribbon Shaft
(Take-up side) several times to take up the
ribbon before closing the Upper Unit.