[Paper Feed/Transport Section] - Sharp AR-M550N Service Manual

: Feb. 6 2004
1

[Paper feed/transport section]

A. Major parts and signal functions
1
PHNR-2-H
PHNR-2-H
+BU2P-TR-P-H
1 /SPFC
2 24V3
B3B-PH-K-S
5V2 3
SCOV 2
GND 1
B3B-PH-K-S
5V2 3
SPPD1 2
GND 1
B3B-PH-K-S
5V2 3
SPED1 2
GND 1
B3B-PH-K-S
5V2 3
STUD 2
GND 1
PHNR-2-H
PHNR-2-H +BU2P-TR-P-H
1 /STRC 2
2 24V3 1
PHNR-3-H
PHNR-3-H +BU3P-TR-P-H
1 /STRBC 3
2 N.C 2
3 24V3 1
Signal
Code
name
SCOV SCOV SPF cover switch
SPFM SPFM1 SPF paper feed motor, paper
transport motor
SPFC SPFC SPF paper feed clutch
1 STRRC STRRC SPF NO.1 resist roller clutch
STRRBC STRRBC SPF No. 1 resist roller brake clutch
1
STRC STRC SPF paper transport roller 2 clutch
STRBC STRBC SPF paper transport roller 2 brake
clutch
SPED1 SPED1 SPF document upper limit detector
SPPD1 SPPD1 SPF document paper pass detector
1
SPPD2 SPPD2 SPF document paper pass detector
2
STUD STUD SPF document tray upper limit
detector
2
1
CN5
B14B-PH-K-S
1 /SPFC
SPF PWB
2 24V3
3 SCOV
4 GND
5 SPPD1
6 GND
7 SPED1
8 GND
9 STUD
10 GND
11 5V2
12 5V2
13 5V2
14 5V2
CN3 CN3
B34B-PHDSS-B B34B-PHDSS-B
1 1 OUT /SLUMB OUT /SLUMB
2 2 /STRC /STRC
3 3 OUT /SLUMA OUT /SLUMA
4 4 /STRBC /STRBC CN4
5 5 OUT SLUMB OUT SLUMB B4B-PH-K-S
6 6 /SRRBC /SRRBC 5V2
7 7 OUT SLUMA OUT SLUMA SPPD2
8 8 /SRRC /SRRC GND
9 9 GND GND N.C
10 10 GND GND
11 11 GND GND
12 12 GND GND
CN1
13 13 GND GND
B12B-PH-K-S
14 14 GND GND
SPFMB1
15 15 GND GND
/SPFMB1
16 16 GND GND
/SPFMA1
17 17 5VPOD 5VPOD
SPFMA1
18 18 GND GND
24V3
19 19 5V2 5V2
24V3
20 20 GND GND
24V3
21 21 5V2 5V2
5V2 5V2 24V3
22 22
23 23 5V2 5V2 SPFMA2
5V2 5V2
/SPFMA2
24 24 5V2 5V2
/SPFMB2
25 25 VAREF VAREF
SPFMB2
26 26 N.C N.C
27 27 24V3 SRRBC 24V3 SRRBC
28 28 5V2 5V2
CN6
29 29 24V3 FAN 24V3 FAN
B5B-PH-K-S
30 30 24V3 STRBC 24V3 STRBC
/STRRC
31 31 24V3 STRC 24V3 STRC
24V3
32 32 24V3 SRRC 24V3 SRRC
24V3
33 33 24V3 PM 24V3 PM
N.C
34 34 N.C N.C
/STRRBC
Name
AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 119
SCOV
SPED1
STUD
SPPD2
B3B-PH-K-S
1 3 5V2
2 2 SPPD2
3 1 GND
4
SMR-06V-N SMP-06V-NC
6 24V3 6
5 24V3 5
12
4 (SPFMA1) 4
11 3 (/SPFMA1) 3
10 2 (/SPFMB1) 2
9 1 (SPFMB1) 1
8
7
6
5
4
PHNR-2-H PHNR-2-H
3
2 +BU2P-TR-P-H
1
2 /STRRC 1
1 24V3 2
1
PHNR-3-H PHNR-3-H
2
+BU3P-TR-P-H
3
3 /STRRBC 1
4
2 N.C 2
5
1 24V3 3
Function/Operation
SPF cover open/close detection
Drives the paper feed roller and the
transport roller. (SPF)
SPF paper feed section roller ON/OFF
control
SPF resist roller ON/OFF control
SPF resist roller braking
SPF transport roller 2 ON/OFF control
SPF transport roller 2 braking
SPF document upper limit detection
SPF document paper pass detection 1
SPF document paper pass detection 2
SPF document tray upper limit detection
SPFM
SPFC
SPPD1
STRRBC
STRRC
STRBC
STRC
Type
Transmission type
Stepping motor
Electromagnetic clutch
Electromagnetic clutch
Electromagnetic clutch
Electromagnetic clutch
Electromagnetic clutch
Transmission type
Transmission type
Transmission type
Transmission type
Model Note
Sensor
Sensor
Sensor
Sensor
Sensor