Sharp SF-1120 Tcs, Ilsw, Msw, Pod, Mhps, Mmre, Tfd, Lhps, Ppd, PED1, PED2, PED3, PED4, DPPD1, Pid

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

2 3 5 4 6

29

30

7

31
1	10
27	28
	8
23	9

12

11

16

13

17

14

18

15

19

24 25

26 20 21 22

							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 3 – 6