Epson SureColor T7770D Series User Manual page 73

11. Attach the transparent paper stop to the spindle and press it in until there is no gap between the
paper stop and the roll paper.
12. Make sure both paper stops are flush against the roll paper.
13. Place the spindle into the grooves on the Roll 2 unit with the black end of the spindle on the right,
and push the Roll 2 unit in.
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