Read Sharp MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man18) Service Manual online
MX-4101N ELECTRICAL SECTION 10 – 39
LSUSS_B
LSU shutter solenoid
Controls open/close of the LSU
shutter.
shutter.
Open
Close
CN20
3
PCU
MC_BK_
ERR
ERR
High voltage BK error
detection
detection
Detects an abnormal output of
high voltage BK.
high voltage BK.
Error
detection
–
CN6
17
PCU
Judged when a
high voltage is
outputted.
high voltage is
outputted.
MC_CL_
ERR
ERR
High voltage CL error
detection
detection
Detects an abnormal output of
high voltage CL.
high voltage CL.
Error
detection
–
CN6
19
PCU
MHPS
Scanner home position
sensor [Transmission type]
sensor [Transmission type]
Detects the scanner home
position.
position.
–
Home
position
CN9
1
SCU
MIM
Scanner motor
[Stepping motor]
[Stepping motor]
Scanner (reading) section
–
–
CN4
1,2,3,
4
4
SCU
MPED
Manual feed paper empty
detection [Transmission type]
detection [Transmission type]
Detects paper empty in the
manual paper feed tray.
manual paper feed tray.
YES
NO
CN3
7
RD I/F
Manual paper
feed unit
feed unit
MPFD
Manual feed paper entry
detection [Transmission type]
detection [Transmission type]
Detects paper entry in the
manual paper feed tray.
manual paper feed tray.
Pass
–
CN7
6
PCU
MPFS
Paper pickup solenoid
(Manual paper feed)
[Electromagnetic solenoid]
(Manual paper feed)
[Electromagnetic solenoid]
Controls the paper pickup
solenoid (manual paper feed)
[Electromagnetic solenoid]
solenoid (manual paper feed)
[Electromagnetic solenoid]
Pickup
–
CN7
22
PCU
MPGS
Manual feed gate solenoid
[Electromagnetic solenoid]
[Electromagnetic solenoid]
Controls open/close of the
manual paper feed gate
solenoid.
manual paper feed gate
solenoid.
ON
OFF
CN7
14
PCU
MPLD
Manual feed paper length
detector
detector
Detects the paper length in the
manual paper feed tray.
manual paper feed tray.
Detection
–
CN3
16
RD I/F
Manual paper
feed unit
feed unit
MPUC
Manual paper feed clutch
[Electromagnetic clutch]
[Electromagnetic clutch]
Controls ON/OFF of the paper
feed roller in the manual paper
feed section.
feed roller in the manual paper
feed section.
ON
OFF
CN7
20
PCU
MPWD
Manual paper feed tray paper
width detector
[Volume resistance]
width detector
[Volume resistance]
Detects the paper width in the
manual paper feed tray.
manual paper feed tray.
–
–
CN7
7
PCU
Analog
detection
detection
MTOP1
Manual paper feed tray
pull-out position detection 1
pull-out position detection 1
Detects the pull-out position of
the manual paper feed tray.
(Retraction position)
the manual paper feed tray.
(Retraction position)
–
Storing
position
CN3
25
RD I/F
Manual paper
feed unit
feed unit
MTOP2
Manual paper feed tray
pull-out position detection 2
pull-out position detection 2
Detects the pull-out position of
the manual paper feed tray.
(Pull-out position)
the manual paper feed tray.
(Pull-out position)
–
Pull-out
position
position
CN3
22
RD I/F
Manual paper
feed unit
feed unit
OCSW
Original cover SW
[Transmission type]
[Transmission type]
Detects open/close of the
document cover (document size
detection trigger).
document cover (document size
detection trigger).
Close
Open
CN10
3
SCU
OSM
Shift motor [Stepping motor]
Offsets the paper.
–
–
CN13
16,17,
18,19
18,19
PCU
Drives with the
4-phase signal.
4-phase signal.
OZFM_
CNT
CNT
OZFM speed control
Controls the OZFM speed.
–
–
CN5
14
PCU
Pulse (Duty)
drive
drive
OZFM_
LD
LD
Ozone fan motor lock
detection
detection
Detects the ozone fan motor
lock.
lock.
–
Lock
detection
CN5
18
PCU
OZFM_V
Ozone fan motor
Discharges the ozone.
Stop
Drive
CN5
12
PCU
PCS_CL
Process control sensor
[Reflection type]
[Reflection type]
Detects the toner patch density.
–
–
CN6
9
PCU
Analog
detection
detection
PCSFM1_
LD
LD
Toner cooling fan 1 lock
detection
detection
Detects the toner cooling fan 1
lock.
lock.
–
Lock
detection
CN14
15
PCU
PCSFM1_
V#
V#
Toner cooling fan 1
Cools the toner bottle.
OFF
ON
CN14
1
PCU
PCSFM2_
LD
LD
Toner cooling fan 2 lock
detection
detection
Detects the toner cooling fan 2
lock.
lock.
–
Lock
detection
CN14
17
PCU
PCSFM2_
V#
V#
Toner cooling fan 2
Cools the toner bottle.
OFF
ON
CN14
3
PCU
PCSS
Process control shutter
solenoid
[Electromagnetic solenoid]
solenoid
[Electromagnetic solenoid]
Controls ON/OFF of the process
control and the registration
sensor shutter.
control and the registration
sensor shutter.
Open
Close
CN6
11
PCU
PFM
Transport motor
[Stepping motor]
[Stepping motor]
Transports the registration roller
and the horizontal transport
motor drive system.
and the horizontal transport
motor drive system.
–
–
CN8
20,22,
24,26
24,26
PCU
Drives with the
4-phase signal.
4-phase signal.
PFM_CNT
Transport motor current select
Selects the transport motor
current.
current.
Large
current
Small
current
CN8
18
PCU
POD1
Fusing rear detection
[Transmission type]
[Transmission type]
Detects the paper exit from
fusing.
fusing.
–
Pass
CN13
29
PCU
POD2
Paper exit detection
[Transmission type]
[Transmission type]
Detects the discharged paper.
Pass
–
CN13
27
PCU
POD3
Right tray paper exit detection
Detects paper exit to the right
tray.
tray.
Pass
–
CN7
17
PCU
POFM_
CNT
CNT
Paper exit cooling fan motor
speed control
speed control
Controls the speed of the paper
exit cooling fan motor.
exit cooling fan motor.
–
–
CN13
21
PCU
Pulse (Duty)
drive
drive
POFM_
LD1
LD1
POFM lock detection
Detects the POFM lock.
–
Lock
detection
CN13
22
PCU
Signal
name
Name [Type]
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
NOTE
"L"
"H"
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