Citizen Systems PPU-700 user manual Paper Near-End Sensor When PHU-3*** is used

4.13 Paper Near-End Sensor (When PHU-3*** is used)

1.When the print paper remainder becomes low, the Paper Near-End (PNE) sensor sends a signal to the computer telling the paper is low and stops printing. This function is enabled or disabled by the memory switch. For memory switch setting, refer to “7.2 Memory Switch Functions (MSW2-8)”.

2.The PNE sensor can be adjusted in the following range by loosening the top screw.

3.Set a new paper roll in accordance with “4.5 Setting/Replacing Paper Roll”.

Type	Number of	Adjustable Range (Outer Diameter of Rolled Paper)
	PNE Sensors	1st PNE Sensor	2nd PNE Sensor
PHU-3*1*	1	φ23.6 to φ50	—
PHU-3*2*	2	φ23.6 to φ40	φ33.6 to φ50

Note: For PHU-3*2*, the space between the 1st PNE sensor and the 2nd PNE sensor shall be fixed at 5 mm.

1st PNE sensor

PHU-3*1*

1st PNE sensor

2nd PNE sensor

PHU-3*2*

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