Electrical Parts Layout; Pwb And Sensors - Kyocera PF-740 Service Manual

2-2-1 Electrical parts layout

2-2 Electrical Parts Layout

(1) PWB and sensors

1. PF main PWB (PFMPWB) .................... Controls electrical parts.
2. PF paper conveying cover switch
(PFPCCSW).......................................... Breaks the safety circuit when PF paper conveying cover is
3. PF paper sensor 1 (PFPS1).................. Detects the presence of paper in cassette 3.
4. PF paper sensor 2 (PFPS2).................. Detects the presence of paper in cassette 4.
5. PF lift sensor 1 (PFLS1)........................ Detects the lifts of cassette 3 reaching the upper limit.
6. PF lift sensor 2 (PFLS2)........................ Detects the lifts of cassette 4 reaching the upper limit.
7. PF feed sensor 1 (PFFS1) .................... Detect paper jams of paper feed section in the cassette 3.
8. PF feed sensor 2 (PFFS2) .................... Detect paper jams of paper feed section in the cassette 4.
9. PF paper gauge sensor 1 upper
(PFPGS1(U))......................................... Detects the paper level in the cassette 3.
10. PF paper gauge sensor 1 lower
(PFPGS1(L)) ......................................... Detects the paper level in the cassette 3.
11. PF paper gauge sensor 2 upper
(PFPGS2(U))......................................... Detects the paper level in the cassette 4.
12. PF paper gauge sensor 2 lower
(PFPGS2(L)) ......................................... Detects the paper level in the cassette 4.
13. PF paper size detection switch 1
(PFSDSW1) .......................................... Detects the size of paper in cassette 3.
4
6
14
16
11
12
Machine front
Figure 2-2-1 PWB and sensors
opened, and resets paper jam detection.
19
8
13
15
1
Machine inside
2-2-1
17
2
18
3
5
7
9
10
Machine rear
3NF