2KZ/2K0
2-2-4
(2) Switches and sensors
Figure 2-2-2 Switches and sensors
1. Home position sensor (HPS) ................ Detects the ISU in the home position.
2. Original detection switch (ODSW) ........ Operates the original size detection sensor.
3. Original size sensor (OSS) ................... Detects the size of the original.
4. Front cover switch (FCSW)................... Detects the opening and closing of the front cover.
5. Right cover switch (RCSW) .................. Detects the opening and closing of the right cover.
6. Feed sensor (FS) .................................. Detects a paper misfeed in the vertical conveying section.
7. MP paper sensor (MPPS) ..................... Detects the presence of paper on the MP tray.
8. Registration sensor (RS)....................... Controls the secondary paper feed start timing.
9. Duplex sensor (DUS) ............................ Detects a paper jam in the duplex section.
10. Eject sensor (ES) .................................. Detects a paper misfeed in the fuser or eject section.
11. Job paper full sensor (JPFS) ................ Detects the paper full in the job separator tray.
12. Paper full sensor (PFS)......................... Detects the paper full in the inner tray.
13. Paper sensor 1 (PS1) ........................... Detects the presence of paper in the cassette.
5
4
11
10
1 2
34
36
35
37
8
9
13
21
32,33
24
12
40
6
23
7
14
16
15
17
18
19,20
25 26
41
38
42
39
27 28
3
22
31
29,30
44
43
Front Inside Rear
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Service Manual Y113010-4