Sharp MX-4140N / MX-4141N / MX-5140N / MX-5141N (serv.man7) Service Manual ▷ View online
MX-5141N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 11
I.Switch
Signal name
Name
Type
Function/Operation
1TNFD
Waste toner full detection switch
Mechanical switch
Detects the waste toner full.
DSW-F
Front door open/close switch
Micro switch
Detects open/close of the front door, and turns ON/OFF the power line of the
fusing, motor and the LSU laser.
fusing, motor and the LSU laser.
DSW-R
Right door open/close switch
Micro switch
Detects open/close of the right door, and turns ON/OFF the power line of the
fusing, motor and the LSU laser.
fusing, motor and the LSU laser.
MSW
Main switch
Seesaw switch
Turns ON/OFF the main DC power source.
PWRSW
Operation panel power supply switch
Push switch
Outputs the ON/OF control signal of the DC power source.
DS W -R
DS W -F
1TNFD
MSW
PWRSW
MX-5141N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 12
J.Clutches and solenoids
Signal name
Name
Type
Function/Operation
1TURC
Primary transfer separation clutch
Electromagnetic clutch
Controls the primary transfer separation mode.
1TURC_R
Primary transfer separation reverse clutch
Electromagnetic clutch
Controls the primary transfer separation mode.
ADUGS
ADU gate solenoid
Electromagnetic solenoid
Controls the ADU gate.
CPFC
Tray vertical transport clutch
Electromagnetic clutch
Controls ON/OFF of the paper transport roller in the paper feed tray
section.
section.
CPUC1
Paper feed clutch (Paper feed tray 1)
Electromagnetic clutch
Controls ON/OFF of the roller in the paper feed tray 1 section.
CPUC2
Paper feed clutch (Paper feed tray 2)
Electromagnetic clutch
Controls ON/OFF of the roller in the paper feed tray 2 section.
LSUSS_B
LSU shutter solenoid 1
Electromagnetic solenoid
Opens/closes the LSU shutter.
MPFS
Paper pickup solenoid
(Manual paper feed)
(Manual paper feed)
Electromagnetic solenoid
Paper pickup solenoid (Manual paper feed)
MPGS
Manual paper feed gate solenoid
Electromagnetic solenoid
Controls the manual paper feed gate Open/Close.
MPUC
Manual paper feed clutch
Electromagnetic clutch
Controls the manual paper feed section paper feed roller ON/OFF.
PCSS
Process control shutter solenoid
Electromagnetic solenoid
Opens/closes the shutter of the process control and the registration
sensor.
sensor.
-0'3
-0'3
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452#?2
452#?2
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MX-5141N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 13
K.Motors
Signal name
Name
Type
Function/Operation
NOTE
ADUM_U
ADU motor upper
Stepping motor
Drives the transport roller 13.
ADUM_L
ADU motor lower
Stepping motor
Drives the right door section.
BTM
Transfer belt motor
Stepping motor
Drives the transfer belt.
CLUM1
Paper tray lift-up motor
(Paper feed tray 1)
(Paper feed tray 1)
DC brush motor
Drives the lift plate of the paper feed tray.
CLUM2
Paper tray lift-up motor
(Paper feed tray 2)
(Paper feed tray 2)
DC brush motor
Drives the lift plate of the paper feed tray.
CPFM
Paper feed motor
Brush-less motor
Drives the paper feed section.
DM_C
C drum motor
Stepping motor
Drives the C drum.
51cpm machine
DM_K
BK drum motor
Stepping motor
Drives the BK drum.
DM_M
CL drum motor
Stepping motor
Drives the CL drum.
41cpm machine
M drum motor
Drives the M drum.
51cpm machine
DM_Y
Y drum motor
Stepping motor
Drives the Y drum.
51cpm machine
DVM_CL
Developing drive motor (CL)
Brush-less motor
Drives the developing section (CL).
DVM_K
Developing drive motor (K)
Brush-less motor
Drives the OPC drum/developing section/transfer section (K).
FUM
Fusing drive motor
Stepping motor
Drives the fusing unit.
HPFM
Horizontal transport motor
Stepping motor
Transports paper from the paper feed section to the transport motor
drive system.
Transports paper from the right door section to the transport motor
drive system.
drive system.
Transports paper from the right door section to the transport motor
drive system.
MIM
Scanner motor
Stepping motor
Scanner (reading) section
OSM
Shifter motor
Stepping motor
Performs offset of paper.
PFM
Transport motor
Stepping motor
Drives transport between the registration roller and the paper feed
section, transport between the registration roller and the right door
section.
section, transport between the registration roller and the right door
section.
PGM
Polygon motor
DC brush-less motor
Scans the laser beam.
POM
Paper exit drive motor
Stepping motor
Drives the paper exit roller.
PRM
Fusing pressure release motor
Stepping motor
Adjusts the fusing roller pressure.
4.-?9
4.-?9
/3-
/3-
02-
02-
0'-
0'-
74.-
74.-
0/-
0/-
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7%"-
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4.-?-
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$6-?#,
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4.-?#
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4.-?+
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-)-
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#,5-
(0&-
(0&-
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0&-
0&-
#0&-
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$6-?+
$6-?+
$-?-
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$-?9
$-?9
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$-?+
$-?+
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!$5-?5
MX-5141N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 14
RRM
Resist motor
Stepping motor
Drives the registration roller and controls ON/OFF.
TNM_C
Toner motor C
Stepping motor
Transports toner of the toner cartridge to the development unit.
TNM_K
Toner motor K
Stepping motor
Transports toner of the toner cartridge to the development unit.
TNM_M
Toner motor M
Stepping motor
Transports toner of the toner cartridge to the development unit.
TNM_Y
Toner motor Y
Stepping motor
Transports toner of the toner cartridge to the development unit.
WEBM
Fusing web cleaning motor
Synchronous motor
Drives the fusing web cleaning paper.
WTNM
Waste toner drive motor
Synchronous motor
Stirs waste toner.
Signal name
Name
Type
Function/Operation
NOTE
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