MX-FN19, MX-FN20, MX-PN12. All Sections - Sharp Copying Equipment Specification (repair manual). Page 101

MX-FN19  ELECTRICAL SECTION  5 – 11

Among the LEDs and check pins installed to this machine, only
items required for field service are shown below.

CAUTION: The check pins not shown in the lists should be handled

in workshops only, and special tools and measuring
instruments are required for more precision, if they are
used for adjustment and check. Thus, they should not
be handled by any person other than our field staffs.

SW1

For input of adjustment of alignment position/staple 
position 

SW2

For input of adjustment of alignment position/staple 
position 

SW3

For startup of adjustment of alignment position/staple 
position 

SW4

For startup of adjustment of alignment position/staple 
position

SW504, bit 
from 1 to 2

For startup of adjustment of deviation between stitch 
position and folding position 

SW504, bit 
from 6 to 8

For input of adjustment of deviation between stitch 
position and folding position 

SW1

For startup of adjustment of deviation between stitch 
position and folding position 

CN22 CN23

CN24

CN14

CN15

CN13

CN17

2
1

CN19

1

8

CN18

4

1

CN16

24

13

CN20

CN25

CN26

CN27

16

1

2

1

2

4 1

1

6

1

8

C177

C174

1

9

1

1

7

6

1

1

4

1

5

1

5

1

4

15

1
2

1
2

1

7

1

3

10

7

1

1

11

20

18

9

10

20

11

1

12

1

1

8

9

1

10

CN21

CN7

CN28

CN6

CN3

SW4

CN1

CN11

CN2

CN4

CN5

SW3

SW1

SW2

CN12

CN8

1

6

1

3

J2

J21

1

7

1

3

J13

J18

5

2

1

2

12

10

15

1

1

14

1

1

J12

SW504

J11

1

8

J10

1

9

J6

1

15

J9

10

1

J7

J4

CB1

J1

SW1

J8

2

1

J19

4

1

J5

8

1

J15