Epson ColorWorks C3400-LT Technical Reference Guide - Page 201

Appendix Paper type Form Backing paper width Label width Label length Gap between labels Edge cutoff on left/right side Label edge R Black mark width Black mark length Black mark centering position Black mark interval Paper thickness Perforated line pitch: Perforated line form: Number of folds: Plain Media Label, Fine Media Label Fanfold paper 50 to 112 mm 46 to 108 mm 15 to 301.8 mm 3 to 6 mm 2  0.5 mm 2 mm or less 13 mm or more 5 mm or more 8.5  1 mm 15 to 304.8 mm 0.145 to 0.161 mm 203.2 to 304.8 mm Plain media label : 1 mm uncut, 5 mm cut Fine media label : 1 mm uncut, 5 mm cut Synthetic media label : 500 or less  Do not use the paper with a hole or cutout.  When using fanfold paper, the black marks must be at least 2 mm from the perforated lines.  when using this type of paper, the label end and the black mark end of the black mark position on the die-cut label must be matched.  Make sure to keep the same position of the black marks to the perforated lines (position that can be detected by black mark sensor) when inserting the paper from either side in order to use the paper inserting from reverse direction. 201