APPENDIX A - MISCELLANEOUS NOTES
SMICE-PS
1
A-
A.1 TICKET ALIGNMENT
A.1.1 Ticket alignment
Paper stock with alignment marks is permitted so that tickets of a fixed
length or with pre-printed areas may be utilized.
To guarantee proper alignment, the “Notch alignment” parameter must be
enabled under setup using the keys (see: setting configuration parameters)
and the alignment sensor must be calibrated.
A.1.2 Alignment sensor calibration
Calibration is required for precise definition of the PWM duty-cycle of the
alignment sensor driver so that it can be adapted to the type of paper stock
being utilized (e.g., stock with colored background) and so that the black
mark will be detected as it passes over the sensor.
In the printer, if the “Notch alignment” parameter has been enabled under
setup using the keys (see: setting configuration parameters), sensor
calibration is performed automatically and, when complete, a receipt will be
printed out as shown in Fig. A.1, indicating the PWM value detected and the
signal calibration threshold.
The “Th. Black” threshold indicates the voltage level above which the paper
stock is considered black. “Th. Black” is utilized during the alignment phase
and identifies the voltage above which the sensor is considered to be over
the mark.
(Fig.A.1)
* NOTCH AUTOSET *
PWM duty cicle
: 14 %
Th. Black
: 3.5V
