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2K5
16. Feed switch 2 (FSW2) ................................. Controls feed clutch 2 drive timing
17. Feed switch 3 (FSW3) ................................. Controls feed clutch 3 drive timing
18. MP feed switch (MPFSW)............................ Controls MP feed clutch drive timing
19. Home position switch (HPSW)..................... Detects the optical system in the home position.
20. Original detection switch (ODSW) ............... Operates the original size detection sensor.
21. Original size sensor (OSS) .......................... Detects the size of the original.
22. Registration switch (RSW) ........................... Controls the secondary paper feed start timing.
23. Eject switch (ESW) ...................................... Detects a paper misfeed in the fuser section.
24. Feedshift switch (FSSW) ............................. Detects a paper misfeed in the switchback section in a duplex copy.
25. Toner sensor (TNS)...................................... Detects the toner density in the developing unit.
26. Toner container detection switch
(TCDSW) ..................................................... Detects the presence of the toner container.
27. Toner container sensor (TCS) ...................... Detects the quantity of toner in a toner container.
28. Overflow sensor (OFS) ................................ Detects when the waste toner box is full.
29. Fuser thermistor 1 (FTH1) ........................... Detects the heat roller temperature.
30. Fuser thermistor 2 (FTH2) ........................... Detects the heat roller temperature.
31. Duplex paper conveying switch
(DUPPCSW) ................................................ Detects a paper jam in the duplex section.
32. Left cover 2 switch (LC2SW) ....................... Detects the opening and closing of the left cover 2.
33. Humidity sensor (HUMS) ............................. Detects absolute humidity.
34. Temperature sensor (TEMS)........................ Detects inner temperature.
2-2-4
Service Manual
Y112040-6
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