Star Micronics TUP400 Manual de usuario descargar pdf (Pagina 20)

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5. Sensor Adjustment

You must adjust the paper sensor for the paper quality and the black mark print.

Fig. 1-6 Sensor Adjustment

1) Remove the screw on the underside of the paper-roll holder and remove the ROM cover.

2) Turn ON the power supply while holding down the push switch on the Near-end Sensor Board.

Remove the push-switch within 3 seconds after the "HU" LED on the Near-end Sensor Board lights.

CAUTION

If you continue holding the push switch for more than 3 seconds, the "PE" LED will light and you will not

be able to make any adjustments.

3) Black Mark Sensor

• Insert a piece of paper into the mechanism’s sensor area. Set it anywhere but the book mark area.

• Rotate the variable resistor VR4 on the main logic board until the "HU" LED on the Near-end Board lights.

Paper End Sensor

• Insert a piece of paper into the mechanism’s sensor area. Set it anywhere but the book mark area.

• Rotate the variable resistor VR3 on the main logic board until the "PE" LED on the Near-end Board lights.

4) After the LED lights, press the RESUME switch.

VR4

EPROM

Main Logic Board

VR3

Interface Board

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Star Micronics TUP400 Manual de usuario Pagina 20