Epson S70670 - Manual (Page 85)

Basic Operations 85
Slide the holder in until part A in the illustration below is fully inserted.
6. Tighten the roll core holder fixing screw to fix the roll core holder in place.
See the following for further instructions.
For information on counterclockwise take up, see the following section.
For information on clockwise take up, see “Clockwise Take Up” on page 88.
Important:
Stop when part A is no longer visible. The take-up reel unit may not function as expected
if the holder is inserted too far.