BTP-L540 User’s Manual
- 4 -
4) Paper roll holder baffle (18), paper roll holder (19): support paper
roll holder and stop paper roll holder from shaking;
5) Print head micro switch (31): used to detect whether the print
head is uplifted or pressed down;
6) Reflective sensor (32): used for the calibration, detection and
location of media like black marked paper.
