2WA/2NJ/2RK
3-16
8. Lower paper gauge sensor 1 ................ Detecting the paper gauge (cassette 1).
9. Upper paper gauge sensor 2 ................ Detecting the paper gauge (cassette 2).
10. Lower paper gauge sensor 2 ................ Detecting the paper gauge (cassette 2).
11. Paper length sensor 1........................... Detecting the paper length (cassette 1).
12. Paper length sensor 2........................... Detecting the paper length (cassette 2).
13. Paper width sensor 1 ............................ Detecting the paper width (cassette 1).
14. Paper width sensor 2 ............................ Detecting the paper width (cassette 2).
15. Paper feed sensor 1.............................. Detecting the paper jam in the paper feed section (cassette 1).
16. Paper feed sensor 2.............................. Detecting the paper jam in the paper feed section (cassette 2).
17. Conveying sensor ................................. Detecting the paper jam in the vertical conveying section.
18. MP paper sensor................................... Detecting the presence of paper (MP tray).
19. MP upper lift sensor .............................. Detecting the upper limit when lifting the MP plate.
20. MP lower lift sensor .............................. Detecting the lower limit when descending the MP plate.
21. MP paper length sensor........................ Detecting the paper length (MP tray).
22. MP paper width sensor ......................... Detecting the paper width (MP tray).
23. MP tray switch....................................... Detecting the MP sub tray is pulled out.
24. MP paper feed sensor........................... Detecting the paper jam in the MP paper feed section.
25. Middle sensor........................................ Detecting the paper jam in the paper conveying section.
26. Registration sensor ............................... Controlling the timing to start the secondary paper feeding.
27. Original size sensor .............................. Detecting the original size.
28. Original size timing sensor.................... Detecting the original size detecting operation timing.
29. Home position sensor ........................... Detecting the position of the image scanner unit.
30. Screw sensor ........................................ Controlling the toner replenishing for the toner hopper.
31. Developer shutter sensor...................... Detecting the opening and closing of the developer shutter.
32. Toner hopper sensor ............................. Detecting the quantity of toner in a toner hopper.
33. Toner sensor ......................................... Detecting the toner density in the developer unit.
34. Loop sensor .......................................... Detecting the paper jam. Controlling the fuser motor by detecting-
deflection in the paper.
35. ID sensor............................................... Measuring the toner density at the calibration.
36. Fuser center thermistor......................... Detecting the heat roller (fuser belt) temperature.
37. Fuser edge thermistor........................... Detecting the heat roller (fuser belt) temperature.
38. Fuser A3 thermistor............................... Detecting the heat roller (fuser belt) temperature.
39. Fuser press thermistor .......................... Detecting the press roller temperature.
40. Fuser belt sensor .................................. Detecting the positioning of fuser belt rotation.
41. Fuser release sensor ............................ Detecting the mode of the fuser pressure (Envelope mode).
42. Fuser eject sensor ................................ Detecting the paper jam in the eject section.
43. IH core sensor....................................... Detecting the position of the IH center core.
44. Eject sensor .......................................... Detecting the paper jam in the feedshift section.
45. Reversing sensor .................................. Detecting the paper jam in the switchback section.
46. Duplex sensor 1 .................................... Detecting the paper jam in the duplex section.
47. Duplex sensor 2 ................................... Detecting the paper jam in the duplex section.
48. Duplex cover switch .............................. Detects the opening and closing of the duplex cover.
49. Waste toner sensor 1 ............................ Detecting the waste toner box full (full).
50. Waste toner sensor 2 ............................ Detecting the waste toner box full (near end).
51. Waste toner detection switch ................ Detecting the waste toner box is installed.
52. Conveying unit switch ........................... Detecting the opening and closing of the conveying unit.
53. Conveying cover open/close switch ..... Detecting the opening and closing of the conveying cover.
54. Outer temperature/humidity sensor ...... Detecting the temperature and humidity outside the main unit.
55. PF conveying cover open/close switch . Detecting the opening and closing of the PF conveying cover.
56. PF paper sensor 1 ................................ Detecting the presence of paper (cassette 3).
57. PF paper sensor 2 ................................ Detecting the presence of paper (cassette 4).
58. PF lift sensor 1 ...................................... Detecting the upper limit when lifting the bottom plate (cassette
3).