Sharp AR-280 Service Manual page 27

C. Sensor location
19 MAIN SW 20 MHPS 21 DSWF
18 POD1
17 DSWL
No. Signal name
1 OCSW Document cover open/close detection
2 PSD Separation detection
3 PPD2 PS paper detection
4 MPED Manual paper feed paper empty detection
5 MPLD1 Manual paper feed paper length detection 1
6 MPLD2 Manual paper feed paper length detection 2
7 MPLS1 Manual paper fed tray pull-out detection 1
8 MPLS2 Manual paper feed tray pull-out detection 2
9 PPD1 Paper transport detection 1
10 DSWR Right door open/close detection
11 PFD Paper transport detection 1
12 TFD Waste toner full warning detection
13 LUD1 Upper cassette upper limit detection
14 LUD2 Lower cassette upper limit detection
15 PED1 Upper cassette paper empty detection
16 PED2 Lower cassette paper empty detection
17 DSWL Left upper door open/close detection
18 POD1 Paper exit detection (after fusing)
19 MAIN SW Power switch
25, 26
24
30 UCSPD1 22 LCSPD1
Function, operation
1 OCSW 23 2 PSD
14 LUD2 13 LUD1
15 PED1
16 PED2
No. Signal name
20 MHPS No. 1 mirror home position detection
21 DSWF Front cover open/close detection
22 LCSPD1 No. 2 tray paper remaining detection 1
23 Operation Operation PWB peripheral temperature
PWB detection
thermistor
24 Process Process section peripheral temperature
section detection
thermistor
25 Fusing Heat roller temperature detection
section
thermistor
(Center)
26 Fusing Heat roller temperature detection
section
thermistor
(Sides)
6 – 14
AR-405
3 PPD2
4 MPED
5 MPLD1 6 MPLD2
7 MPLS1 8 MPLS2
9 PPD1
10 DSWR
11 PFD
12 TFD
Function, operation
1/21/1999