2BT
2-2-2
3
2
5
1
7
8
9
6
4
Machine front
Machine inside
;;
Machine rear
(2) Switches and sensors
Figure 2-2-2
Switches and sensors
1. Main switch (MSW) ...................................... Turns the AC power on and off.
2. Safety switch (SSW) .................................... Breaks the safety circuit when the front cover or paper conveying cover
is opened; resets paper jam detection.
3. Registration switch (RSW) ........................... Controls the secondary paper feed start timing and detects the presence
of paper in the drawer.
4. Eject switch (ESW) ...................................... Detects a paper misfeed in the fixing section.
5. Drawer detection switch (DDSW) ................ Detects the insertion of the drawer.
6. Scanner home position switch (SHPSW) .... Detects the scanner in the home position.
7. Toner sensor (TNS) ..................................... Detects the toner density in the developing section.
8. Humidity sensor (HUMSENS) ...................... Detects absolute humidity.
9. Fixing unit thermistor (FTH) ......................... Detects the heat roller temperature.
