Citizen Systems Citizen PPU PPU-700 - Manual (Page 31)

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4.9 FEED Switch
1. The FEED switch, when pressed, feeds paper, cuts the paper, and then ejects
the paper.
4.10 Paper End
1. If no print paper is present in the printer, Busy, Fault, and PError alarms are
sent to the computer through the parallel interface or DTR output is sent to
the printer through the serial interface.
2. If data remains in the buffer, printing occurs after supplying paper.
3. Set a new paper roll in accordance with “4.4 Setting/Replacing Paper Roll”.
4. After paper setting, Busy (DTR), Fault, and PError outputs are cleared. For
details, refer to “6. Parallel Interface” and “7. Serial Interface”.
4.11 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 “6.2 Memory Switch Functions”.
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 “4.4 Setting/Replacing Paper Roll”.
Adjustable Range
Level 1 Level 2
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 level 1 and level 2 shall
be fixed at 5 mm.
Number of
PNE Sensors
Type