3LM
2-2-1
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout
Figure 2-2-1 Layout of electrical parts
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
jam detection.
3. PF lift switch 1 (PFLSW1) ............................ Detects the cassette operation plate of cassette 3 reaching the upper
limit.
4. PF lift switch 2 (PFLSW2) ............................ Detects the cassette operation plate of cassette 4 reaching the upper
limit.
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.
1
2
3
5
7
9
10
8
6
11
12
13
15
16
17
14
18
4
Machine front
Machine inside
Machine rear
Y1120
2
0-
4
Service Manual
Summary of Contents for PF-720
Page 1: ...PF 720 Option Copier SERVICE MANUAL Code Y112020 4...
Page 3: ...This page is intentionally left blank...
Page 9: ...This page is intentionally left blank...
Page 11: ...3LM This page is intentionally left blank...
Page 15: ...3LM 1 1 4 This page is intentionally left blank Service Manual Y112020 4...
Page 21: ...3LM 1 2 6 This page is intentionally left blank Service Manual Y112020 4...
Page 39: ...3LM 1 4 10 This page is intentionally left blank Service Manual Y112020 4...
Page 53: ...3LM 2 2 2 This page is intentionally left blank Service Manual Y112020 4...
Page 59: ...3LM 2 4 2 This page is intentionally left blank Service Manual Y112020 4...
Page 61: ...UPDATINGSTATUS DATE UPDATEDPAGES PAGES CODE 04 2010 1ST EDITION 61 Y112020 4...