SPRT
®
SP-TL24/TL25 Desktop Label Printer User’s Manual
13
Printing position: As shown in the above figure, the black mark should be printed
on the front left side and the back left side edge of the text side.
Width range: width ≥ 7mm
Height range: 4mm ≤ height ≤ 6mm
Reflectance to infrared light: <10% (reflectance of other parts of the paper black
mark width for infrared light >65%)
HPS: HPS is the distance from the edge of the printer black mark to the top edge
of the print start. 4.5mm≤HPS≤6.5mm
4.3 Cleaning and maintenance
Power off,wipe the printing head with a cotton swab moistened with alcohol, to
remove carbon deposit, dust and so on. Clear the paper scraps and dust of printing
roller and cutter with dusting brush.