Master Feed
C274 4-20 SM
5. Measure the voltage, and turn VR1 on the PSU until the value is between “+0” and
“-0.1” volts from the value on the thermal head decal.
4.6.4 MASTER END SENSOR ADJUSTMENT
Purpose: To ensure that the sensor detects the end mark (a solid black area) on the
master roll.
Standard: 2.0 ± 0.1 volts
Tools: The core of a used master roll (the core just before a master end display appears)
Remove the rear cover ( Covers / Boards - Rear Cover)
1. Place the core inside the master making unit, and close the master making cover.
2. Connect the power plug, and turn on the main switch.
3. Access SP6-41
4. Turn VR102 [A] on the MPU board until the display is 2.0 ± 0.1 volts.
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