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1.
Adjusting power output voltage
1-1.
Adjusting thermal head voltage
(1)
Turn OFF the power to the printer.
(2)
Take the Harness Head Power Connector off of the Thermal Head.
(Refer to "1. Thermal Head" in Chapter 3.)
(3)
Turn ON the power to the printer.
(4)
Measure the voltage of pins 1 – 6 (VTM) and 7 – 12 (GND) of the Harness Head Power Connector. The
left edge pin of the Power Supply is pin 1.
(5)
Adjust so that there is 24.5V (±0.1V) in the Thermal Head. (You can adjust by using a regular (+) screw
driver to rotate the V
(6)
After adjusting, turn ON the power to the printer.
(7)
Connect the Harness Head Power and attach the Thermal Head.
1-2
Checking that there is 5V
(1)
Turn OFF the power to the printer.
(2)
Take the Harness Head Power Connector off of the Thermal Head.
(3)
Turn ON the power to the printer.
(4)
Measure the voltage of pins 13 (5V) and 7 – 12 (GND) of the Harness Head Power Connector.
(You cannot adjust the voltage here.)
adjustment screw.)
TH
Power Supply
5V Vth
CHECK AND ADJUSTMENT
Adjust using a (+) screwdriver.
– 11 –
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