Epson TM-C3400BK Technical Reference Manual page 146

3
Close the roll paper cover while aligning the roll paper with the paper ejec-
tion guide.
4
Turn the power on.
The roll paper is automatically fed.
When paper set operation at the Roll paper cover close is set as "Media Loading Method
(with Cutting)" of [Media Loading Settings] on [Maintenance And Utilities] tab on the printer
driver, paper is automatically cut after the paper is fed.
This is the end of replacing the roll paper.
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