3- 5．Paper Sensor Position - SANEI ELECTRIC SK1-21A Technical Manual

3- 5．Paper sensor position
■SK1-31
Pepar Feed
Left position of
BM sensor
Paper edge
Black mark（Left）
Black mark（Right）
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.
SK1-21A/31A
Black mark (L)
Gap sensor
Sensor
Note1,2,3
Gap sensor
Note1
Paper empty
Note 1,2,3
Paper empty sensor.
Label Gap sensor.
Approx.13.5mm
Paper empty
Black mark(R)
Distance from paper edge
（±1.0mm）
7.3mm
29.0mm
50.2mm
72.0mm
Right position of
BM sensor
Thermal dot line
２２