Electrical Parts Layout - Olivetti PF-720 Service Manual

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2-2 Electrical Parts Layout

2-2-1
Electrical parts layout
17
15
11
2
16
1.
PF main PWB (PFMPWB) ........................... Controls electrical parts.
2.
Left cover 4 switch (LC4SW) ....................... Breaks the safety circuit when left cover 4 is opened, and resets paper
3.
PF lift switch 1 (PFLSW1) ............................ Detects the cassette operation plate of cassette 3 reaching the upper
4.
PF lift switch 2 (PFLSW2) ............................ Detects the cassette operation plate of cassette 4 reaching the upper
5.
PF paper switch 1 (PFPSW1) ...................... Detects the presence of paper in cassette 3.
6.
PF paper switch 2 (PFPSW2) ...................... Detects the presence of paper in cassette 4.
7.
PF paper size length switch 1
(PFPLSW1).................................................. Detects the length of paper in cassette 3.
8.
PF paper size length switch 2
(PFPLSW2).................................................. Detects the length of paper in cassette 4.
9.
PF paper size width switch 1
(PFPWSW1) ................................................ Detects the width of paper in cassette 3.
10. PF paper size width switch 2
(PFPWSW2) ................................................ Detects the width of paper in cassette 4.
11. PF feed switch (PFFSW) ............................. Controls paper feeder paper feed clutch 2.
12. PF drive motor (PFDM)................................ Drives the paper feeder.
13. PF lift motor 1 (PFLM1)................................ Drives the cassette operation plate of cassette 3.
14. PF lift motor 2 (PFLM2)................................ Drives the cassette operation plate of cassette 4.
15. PF paper feed clutch 1 (PFPFCL1).............. Primary paper feed from cassette 3.
16. PF paper feed clutch 2 (PFPFCL2).............. Primary paper feed from cassette 4.
17. PF paper conveying clutch (PFCCL) ........... Conveys paper to the machine.
18. PF cassette heater* (PFCH) ........................ Dehumidifies paper.
*Option.
Y112020-4
3
5
12
13
9
6
4
14
10
Machine front
Figure 2-2-1 Layout of electrical parts
jam detection.
limit.
limit.
Service Manual
1
18
Machine inside
Machine rear
7
8
3LM
2-2-1

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