13
It shows Serial communicating when the printer received data via
serial connection.
It shows Bluetooth connected when the printer connect with main
device via Bluetooth and open the corresponding port.
It shows USB and Bluetooth connected when the printer connect
with main device via both Bluetooth and USB.
It shows Bluetooth communicating when the printer received data
via Bluetooth connection.
Chapter 4 Other Information
4.1 Command Programming Manual
<SP-L52 Technical Manual> is a technical manual for engineer to
develop printer utility, and users can claim our company for it.
4.2 Description of pre-printed Black Mark
If user use pre-printed black mark to locate the receipt, please be
sure to abide by the following pre-printed black mark regulation when
print the black mark paper. Otherwise, it will cause that the printer
cannot identify the black mark.
The black mark pre-print regulations are as below:
Printing Position: As the picture above, the black mark should be
printed on the right edge of the side of words (both sides of the paper
is available).
Width range: width≥7mm
Height range: 4mm≤height≤6mm
Reflectivity of infrared ray : <10% (infrared ray reflectivity of other
parts of the black mark paper is>65%)
