Epson TM-U300C Operator's Manual page 19

Install the take-up spool in the printer. Make sure that the gear
on the take-up
spool aligns with the gear on the printer.
Close the take-up device cover.
Tear off any extra paper at the tear-off edge by pulling the paper toward you.
CAUTION:
• The extra paper must be torn off after closing the take-up device cover so
that roll paper comes out correctly from the paper exit.
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