Chapter 22-632.5.6 Media take-up Unit 0013-8115iPF9000 / iPF9000S / iPF9100F-2-48Media take-up on/off sensorThe photointerrupter-based media take-up on/off sensor detects the switch status of the media take-up unit.When the media take-up switch is set to ON, the sensor arm transmits the sensor light, power-on the media take-up unit.When the media take-up switch is set to OFF, the sensor arm shields the sensor light, shutting down the media take-up unit.Media take-up paper detection sensorWhen the sensor light is shielded by a loop of printed paper, the media take-up motor rotates to take up the paper.2.5.7 Others 0013-8116iPF9000 / iPF9000S / iPF9100F-2-49Humidity sensorThe humidity sensor detects the temperature and relative humidity around the printer to implement head height adjustment, maintenance jet control, waste ink evap-oration calculation and suction fan control on the basis of the temperature and relative humidity thus measured.ONOFFMedia take-up on/off sensorMedia take-uppaper detection sensorHumidity sensor
