Specifications

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SK1-21/31
（5）Label specifications
SK1-31 prints label paper with black marks and without black marks.
Use label paper complying with the following conditions.
Item No black mark With black mark
Recommendable media
HW76B（Nippon Paper Ind.）
Length: 94µm
Thickness of base paper: 60µm
Color on base paper: White
Total thickness: 154µm or less（incl. adhesive）
Roll diameter Φ102mm or less
Label core
Φ25.4（Internal dia.）×Φ31.4（External dia.）mm
Base paper width
57.5±0.5mm／59.5±0.5mm／79.5±0.5mm
Label width
54±0.5mm／56±0.5mm／76±0.5mm
Length 25 to 350mm
Label gap 3 to 6mm 0 to 6mm
Rolling up direction Label surface is outside of a roll
Black mark size
−
Width：12mm or more
Length：4 to 6mm
Density of black mark
−
Ink：Reflective ratio should be
7％ or less.
Note 1. Above illustration shows the paper width 80.0mm..
Note 2. The position of black mark is decided by that of black mark.
Note 3. When 58mm／60mm width paper is used, the black mark sensor must be installed on left side.
1.75 or more 1.75 or more
Label gap (L2)
3 to 6mm
Label length (L1)
25 to 350
Label pitch
L1+L2
（Unit：mm）
Front（Label surface
）
4∼6
12 or more
Paper feed
Black mark（Reverse side）
Black mark position Note2,3
12 or more
Paper feed