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Sharp SF-1120 User Manual

Page 16

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5. Sensors and switches (Explained with the SF-1120 and the SF-CM15)

For the ADU sensor, refer to page 5-18.

No.

Signal name

Name

Type

Operation, function

1

TCS

Toner density control sensor

Transmission sensor

HIGH when toner density falls.

2

ILSW

Front cabinet open/close switch

Interlock switch

ON when closed.

3

MSW

Power switch

Seesaw switch

4

TH

Fusing heater thermistor

Thermistor

Greater resistance at low temperature

5

TS

Fusing heater thermostat

Thermostat

Contact open at abnormally high
temperature

6

POD

Paper exit paper sensor

Transmission photo sensor LOW when paper is present.

7

MHPS

Mirror home position sensor

Transmission photo sensor HIGH when paper is sensed.

8

MMRE

Main motor encoder

Transmission photo sensor Rotation pulse output

9

TFD

Waste toner full switch

Lead switch

HIGH when sensed.

F

LHPS

Lens home position sensor

Transmission photo sensor LOW when reduction.

G

PPD

Paper transport sensor

Transmission photo sensor LOW when paper is present.

H

1 CSD0

2

Body upper tray paper size detection (SF-1020 only)

Tact switch

Shorted when the switch is turned on.

I

2 CSD0

2

Body lower tray paper size detection

Tact switch

Shorted when the switch is turned on.

J

3 CSD0

2

Option upper tray paper size detection

@

1

Tact switch

Shorted when the switch is turned on.

K

4 CSD0

2

Option lower tray paper size detection

@

2

Tact switch

Shorted when the switch is turned on.

L

PED1

Body upper tray paper presence detection (SF-1020 only) Transmission photo sensor HIGH when paper is present.

M

PED2

Body lower tray paper presence detection

Transmission photo sensor HIGH when paper is present.

N

PED3

Option upper tray paper presence detection

@

1

Transmission photo sensor HIGH when paper is present.

O

PED4

Option lower tray paper presence detection

@

2

Transmission photo sensor HIGH when paper is present.

P

Motor sensor 2 Body lower stage paper feed motor encoder sensor

Transmission photo sensor Rotation pulse output

Q

Motor sensor 3 Option upper paper feed motor encoder sensor

@

1

Transmission photo sensor Rotation pulse output

R

Motor sensor 4 Option lower paper feed motor encoder sensor

@

2

Transmission photo sensor Rotation pulse output

S

DPPD1

Body upper tray paper transport sensor

Transmission photo sensor LOW when paper is present.

T

DPPD2

Body lower tray paper transport sensor

Transmission photo sensor LOW when the side door is open and

paper is present.

U

DPPD3

Option upper tray paper transport sensor

Transmission photo sensor LOW when the option door is open

and paper is present.

V

DPPD4

Option lower tray paper transport sensor

Transmission photo sensor LOW when the option door is open

and paper is present.

W

PID

Single manual feed paper entry sensor

Transmission photo sensor HIGH when paper is present.

X

OCSW

OC cover open/close sensor

Transmission photo sensor OC cover open/close detection

Y

ORS

Original size sensor

Photo transistor

Original size detection

Z

DMS

Drum mark sensor

Reflection sensor

Drum mark detection

[

IDS

Toner patch density sensor

Reflection sensor

Toner patch density detection

@

1: SF-CM15, SF-CM16

@

2: SF-CM15 only

9

8

7

2

3

5

4

6

23

11

10

27

1

28

12

16

13

14

15

19

18

17

24

25

26

20 21 22

31

29

30

3 – 6

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