MX-5500N, MX-6200N, MX-7000N (serv.man50). Electrical Section - Sharp Copying Equipment Service Manual (repair manual). Page 48

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MX-7000N  ELECTRICAL SECTION  11 – 48
SLCOV
DSPF lower door open/close 
sensor [Micro switch]
Detects open/close of the 
lower door. 
Open
SCU
SLUM
DSPF lift-up motor 
[PM stepper motor]
Lifts up or moves down the 
paper feed tray. 
SCU
SOCD
DSPF open/close sensor 
[Transmission type]
Detects open/close of the 
DSPF unit. 
Open
SCU
SPED1
DSPF document upper limit 
sensor [Transmission type]
Detects the upper limit of the 
DSPF document. 
When 
paper is 
detected
SCU
SPED2
DSPF document empty 
sensor [Transmission type]
Detects document in the 
paper feed tray. 
When 
paper is 
detected
SCU
SPFC
DSPF paper feed clutch 
[Electromagnetic clutch]
Controls ON/OFF of the paper 
feed section roller. 
SCU
SPFFAN
DSPF cooling fan motor 
[DC brushless motor]
Cools the motor and the 
clutch.
SCU
SPFM
DSPF transport motor 
[Hybrid stepper motor]
Drives the transport roller. 
SCU
SPLS1
DSPF document length 
detection short sensor 
[Transmission type]
Detects the length of 
document in the paper feed 
tray. 
When 
paper is 
detected
SCU
SPLS2
DSPF document length 
detection long sensor 
[Transmission type]
Detects the length of 
document in the paper feed 
tray. 
When 
paper is 
detected
SCU
SPOD
DSPF paper exit sensor 
[Transmission type]
Detects paper exit. 
When 
paper is 
detected
SCU
SPOM
DSPF paper exit motor 
[PM stepper motor]
Drives the paper exit roller. 
SCU
SPPD1
DSPF paper pass sensor 1 
[Transmission type]
Detects paper pass. 
When 
paper is 
detected
SCU
SPPD2
DSPF paper pass sensor 2 
[Transmission type]
Detects paper pass. 
When 
paper is 
detected
SCU
SPPD3
DSPF paper pass sensor 3 
[Transmission type]
Detects paper pass.
When 
paper is 
detected
SCU
SPPD4
DSPF paper pass sensor 4 
[Transmission type]
Detects paper pass. 
When 
paper is 
detected
SCU
SPPD5
DSPF paper pass sensor 5 
[Transmission type]
Detects paper pass.
When 
paper is 
detected
SCU
SPRDMD
DSPF document random 
sensor [Transmission type]
Detects the paper size in 
random paper feed. 
When 
paper is 
detected
SCU
SPUM
DSPF paper feed motor 
[Hybrid stepper motor]
Drives the paper feed section 
roller and the transport roller. 
SCU
SPWS
DSPF document width 
sensor [Volume resistor] 
Detects the width of 
document in the paper feed 
tray.
SCU
SRRBC
DSPF No. 2 resist roller 
brake clutch 
[Electromagnetic clutch]
No. 2 resist roller braking
SCU
SRRC
DSPF No. 2 resist roller 
clutch 
[Electromagnetic clutch]
Controls ON/OFF of No. 2 
resist roller.
SCU
STLD
DSPF paper feed tray lower 
limit sensor 
[Transmission type]
Detects the lower limit of the 
paper feed tray. 
Lower limit
SCU
STRC
DSPF transport roller clutch 
[Electromagnetic clutch]
Controls ON/OFF of the 
transport roller 1. 
SCU
STRRBC
DSPF No. 1 resist roller 
brake clutch 
[Electromagnetic clutch]
No. 1 resist roller braking
SCU
STRRC
DSPF No. 1 resist roller 
clutch [Electromagnetic 
clutch]
Controls ON/OFF of No. 1 
resist roller.
SCU
STUD
DSPF paper feed tray upper 
limit sensor 
[Transmission type]
Detects the upper limit of the 
paper feed tray.
Upper limit
SCU
T1LUD
Tandem tray 1 sensor 
[Photo interrupter]
Detects lift-up of the tandem 
tray 1.
Upper limit
-
CN5
23
PCU
Signal name
Name [Type]
Function/Operation
Connector level
Connector 
No.
Pin 
No.
PWB 
name
NOTE
"L"
"H"
Display
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