Epson SureColor T3170M 24" Wireless Printer, Scanner & Copier - Manual (Page 65)

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2. Release the central lock and open the roll paper cover.
3. Select Remove on the LCD screen. The roll paper rewinds and ejects automatically.
Note: Make sure the roll paper is rewound completely before removing it from the printer.
4. Hold both ends of the spindle and lift it up from the spindle holder.
5. Remove the transparent paper stop from the spindle.
6. Remove the spindle from the roll paper.