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Tally Dascom 2600 2610
2.1.4 Paper Width Sensor
Functional Description:
It is a reflective opto-coupler mounted on the left side of the carriage. The dark
background on the mechanism and white paper creates a reflective gradient on the sensor.
Therefore, the time elapsed between the reflective gradients in a specific carriage speed
determines the form width.
2.1.5 Paper Path Select Sensor
Code Wheel
Paper Path
Functional Description:
The Code Wheel rotation follows the change in position of the Paper Path Select Lever.
The interruption of the Code Wheel provides 4 different combinations of trans-reception on the
transmissive SENS1/SENS2 pair. The 4 positions of the Lever identify the paths of Single,
FF-front, FF-rear and FF-pull.
Paper
State1
State3
State2
State4
9
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