2M8/2M9
2-2-4
(2) Switches and sensors
Figure 2-2-2 Switches and sensors
1. Main power switch (MSW) .................... Turns ON/OFF the AC power source.
2. Interlock switch (ILSW) ......................... Shuts off 24 V DC power line when the inner tray and rear cover
are opened.
3. Cassette size switch (CSSW) ............... Detects the paper size dial setting of the paper setting dial.
4. Paper sensor (PS) ................................ Detects the presence of paper in the cassette.
5. Lift sensor (LS)...................................... Detects activation of upper limit of the bottom plate.
6. Registration sensor (RS)....................... Controls the secondary paper feed start timing.
7. MP paper sensor (MPPS) ..................... Detects the presence of paper on the MP tray.
8. MP paper conveying sensor (MPFS) .... Detects a paper misfeed in the MP paper conveying section.
9. Eject sensor (ES) .................................. Detects a paper misfeed in the fuser or eject section.
10. Home position sensor (HPS) ................ Detects the ISU in the home position.
11. Toner sensor K (TS-K) .......................... Detects the toner density in the developing unit K.
12. Toner sensor K (TS-M).......................... Detects the toner density in the developing unit M.
13. Toner sensor K (TS-C) .......................... Detects the toner density in the developing unit C.
14. Toner sensor K (TS-Y) .......................... Detects the toner density in the developing unit Y.
15. ID sensor 1 (IDS1) ................................ Measures image density for color calibration.
16. ID sensor 2 (IDS2) ................................ Measures image density for color calibration.
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Machine insideMachine right Machine left