SANEI ELECTRIC SK1-21A, Technical Manual

Page: 22 / 56

２２
SK1-21A/31A
3- 5
．
Paper sensor position
■
SK1-31
Sensor Distance from paper edge
（ ±1.0mm ）
Black mark （ Left ）
Note1,2,3
7.3mm
Gap sensor
Note1
29.0mm
Paper empty 50.2mm
Black mark
（
Right
）
Note 1,2,3
72.0mm
Note1: Black mark sensor and gap sensor are embedded in the factory as options.
Note2: Choose the position of Black mark sensor either (L) or (R).
Note3: Black mark on reverse of thermal paper is sensed.
Paper feed
Paper edge Thermal dot line
Black mark (L)
Gap sensor
Paper empty
Black mark(R)
Approx.13.5mm
Left position of
BM sensor
Label Gap sensor .
Paper empty sensor
.
Right position of
BM sensor
Pepar Feed