3H3
2-2-2
(2) Switches and sensors (finisher)
Figure 2-2-2 Switches and sensors
1. Movable guide
home position sensor (MGHPS) .................. Detection of movable guide in home position.
2. Upper cover switch (UCSW) ........................ Detection of opening/closing of the upper cover.
3. Front cover switch (FCSW).......................... Detection of opening/closing of the front cover.
4. Centerfold unit set switch (CUSSW) ............ Detection of connection to the optional centerfold unit.
5. Intermediate tray
paper conveying sensor (ITPCS)................. Detection of paper jam in the intermediate tray.
6. Paper holder detection sensor (PHDS)........ Detection of paper jam in the main tray eject section.
7. Upper paper conveying belt
home position sensor (PCBHPS-U)............. Detection of upper paper conveying belt in home position.
8. Lower paper conveying belt
home position sensor (PCBHPS-L) ............. Detection of lower paper conveying belt in home position.
9. Front upper side registration guide
home position sensor (SRGHPS-FU) .......... Detection of front upper side registration guide in home position.
10. Rear upper side registration guide
home position sensor (SRGHPS-RU).......... Detection of rear upper side registration guide in home position.
11. Lower side registration guide
home position sensor (SRGHPS-L) ............. Detection of front/rear lower side registration guides in home position.
12. Upper paper sensor (PS-U) ......................... Detection of paper in the intermediate tray upper section.
13. Lower paper sensor (PS-L).......................... Detection of paper in the intermediate tray lower section.
14. Paper entry sensor (PES) ............................ Detection of paper insertion and paper jam in the finisher.
15. Paper ejection sensor (PEJS)...................... Detection of paper ejection and paper jam.
16. Sub tray paper ejection sensor (STPES) ..... Detection of paper ejection to and paper jam in the sub tray.
17. Multi job tray position sensor (MJTPS) ........ Detection of optional multi job tray position.
18. Main tray paper upper surface detection
light emitting sensor (MTPUSDLES)............ Detection of upper surface of paper in the main tray.
Machine front
Machine inside
Machine rear
17,18,21
Front
19,20,
24
15 16
22
25
23
26
27
28
11
13
12
9
10
3
8
7
1
4
2
6
5
14
20,21
18,19
29,30
17,24
Rear
Service Manual Y1043
71
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8
Содержание DF-650
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