User manual

SMP-M240
USER_MANUAL 14 www.syncrown.com
Chapter 4 Other information
4.1 Printer technical manual(control command)
Please refer to SMP-M240 technical manual.
4.2 Preprinted black mark specification
If user wants to locate receipt by detecting preprinted black mark, shall accord to the
following specification for the black mark. Otherwise it may cause printer can’t
recognize the black mark.
Printing position: black mark shall preprint at the left side of receipt.
Width rang：≥7mm
Height：4mm≤height≤6mm
Reflection rate to IR：<10% （reflection rate to the black mark on paper >65% ）
Hps：Hps indicates the distance from down edge of detecting mark from beginning
line(
0mm≤Hps≤1mm)