2MN/2N1
2-2-5
18. MP paper sensor (MPPS) ..................... Detects the presence of paper (MP tray).
19. MP lift sensor 1 (MPLS1) ...................... Detects activation of upper limit of the MP plate.
20. MP lift sensor 2 (MPLS2) ...................... Detects activation of lower limit of the MP plate.
21. MP paper length switch (MPPLSW)...... Detects the length of paper (MP tray).
22. MP paper width switch (MPPWSW)...... Detects the width of paper (MP tray).
23. MP tray switch (MPTSW)...................... Detects the MP tray extension is extend.
24. MP feed sensor (MPFS) ....................... Detects a paper misfeed in the MP paper feed section.
25. Middle sensor (MS)............................... Detects a paper misfeed in the paper conveying section.
26. Regist deflection sensor (RDS)............. Detects the deflection in the paper.
27. Registration sensor (RS)....................... Controls the secondary paper feed start timing.
28. Screw sensor K (SRS-K) ...................... Controls the toner replenishing for the toner container K.
29. Screw sensor M (SRS-M) ..................... Controls the toner replenishing for the toner container M.
30. Screw sensor C (SRS-C) ...................... Controls the toner replenishing for the toner container C.
31. Screw sensor Y (SRS-Y) ...................... Controls the toner replenishing for the toner container Y.
32. Toner sensor K (TS-K) .......................... Detects the toner density in the developer unit K.
33. Toner sensor M (TS-M) ......................... Detects the toner density in the developer unit M.
34. Toner sensor C (TS-C).......................... Detects the toner density in the developer unit C.
35. Toner sensor Y (TS-Y) .......................... Detects the toner density in the developer unit Y.
36. ID sensor 1 (IDS1) ................................ Measures image density for color calibration.
37. ID sensor 2 (IDS2) ................................ Measures image density for color calibration.
38. Color release sensor (CRS).................. Detects separation of primary transfer rollers M, C, and Y.
39. Transfer belt sensor (TRBLS) ............... Detects positioning of transfer belt rotation.
40. Transfer skew sensor (TRSS)............... Detects skew of transfer belt center position.
41. Transfer edge sensor (TRES) ............... Detects edge position of the transfer belt.
42. Transfer release sensor (TRRS) ........... Detects separation of secondary transfer roller.
43. Loop sensor (LPS) ................................ Detects a paper misfeed. Controls the fuser motor by detecting
deflection in the paper.
44. Fuser belt sensor (FUBLS) ................... Detects positioning of fuser belt rotation.
45. Fuser release sensor (FURS) ............... Detects fuser pressure release setting (envelope mode).
46. Fuser thermistor 1 (FTH1) .................... Detects the heat roller (fuser belt) temperature.
47. Fuser thermistor 2 (FTH2) .................... Detects the heat roller (fuser belt) temperature.
48. Fuser thermistor 3 (FTH3) .................... Detects the heat roller (fuser belt) temperature.
49. Fuser thermistor 4 (FTH4) .................... Detects the press roller temperature.
50. Fuser eject sensor (FUES) ................... Detects a paper misfeed in the fuser section.
51. Eject full sensor 1 (EFS1) ..................... Detects a paper misfeed in the eject section. Detects when the
main tray is full.
52. Eject full sensor 2 (EFS2) ..................... Detects a paper misfeed in the eject section. Detects when the
sub tray is full.
53. Switchback sensor (SBS) ..................... Detects a paper misfeed in the eject and switchback sections.
54. Duplex sensor 1 (DUS1) ....................... Detects a paper misfeed in the duplex section.
55. Duplex sensor 2 (DUS2) ....................... Detects a paper misfeed in the duplex section.
56. Duplex cover switch (DUCSW) ............. Detects the opening and closing of the duplex cover.
57. Waste toner sensor 1 (WTS1)............... Detects when the waste toner box is full.
58. Waste toner sensor 2 (WTS2)............... Detects when the waste toner box is near end.
59. Paper conveying unit switch
(PCUSW) .............................................. Detects the opening and closing of the paper conveying unit.
60. Paper conveying cover switch
(DUCSW) .............................................. Detects the opening and closing of the paper conveying cover.
61. Outer temperature sensor
(OTEMS)............................................... Detects the outside temperature and humidity.