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6.4 Sensor Adjusting Mode
a) Reflecting sensor (black mark sensor)
●
Insert the paper in front of the sensor mechanism so that a black mark is not positioned in front of
the sensor.
●
Adjust the reflecting sensor controller VR4 on the PCB until the HU LED lights up.
b) Paper-out sensor
●
Insert the paper in front of the sensor mechanism so that a black mark is not positioned in front of
the sensor.
●
Adjust the paper-out sensor controller VR3 on the PCB until the PE LED lights up.
6.5 Near-End Sensor
Selecting the open frame setting with memory switch B enables near-end sensors A and B. It is possi-
ble to determine the state of near-end sensors A and B by outputting the <EOT> command to the
printer. (This is only possible when a serial interface is used.) Refer to “Programmer’s Manual”.
Summary of Contents for TUP452-24
Page 1: ...THERMAL UNIT PRINTER MECHANISM TUP452 24 TUP482 24 SPECIFICATION AND OPERATION MANUAL ...
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