Utax PF 730, Service Manual

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3NJ
2-2-1
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout
(1) PWB and sensors
Figure 2-2-1 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
opened, and resets paper jam detection.
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 cassette operation plate of cassette 3 reaching the
upper limit.
6. PF lift sensor 2 (PFLS2)........................ Detects the cassette operation plate 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 length switch 1
(PFPLSW1) ........................................... Detects the length of paper in cassette 3.
Machine front Machine inside Machine rear
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