Sharp MX-5500N / MX-6200N / MX-7000N (serv.man50) Service Manual ▷ View online
MX-7000N ELECTRICAL SECTION 11 – 45
DSPF COPY
LUMP
LUMP
DSPF Copy lamp
[Xenon lamp]
[Xenon lamp]
Radiates the lights onto a
document for the CCD to
scan the document images.
document for the CCD to
scan the document images.
DSW_ADU
ADU transport open/close
detection [Photo interrupter]
detection [Photo interrupter]
Detects open/close of the
duplex (ADU) cover.
duplex (ADU) cover.
Open
Close
CN2
7
RD I/F
DSW_D
Right lower door open/close
sensor [Photo interrupter]
sensor [Photo interrupter]
Detects open/close of the
right lower door.
right lower door.
Open
Close
CN3
22
PCU
DSW-FL
Front door lower open/close
switch [Micro switch]
switch [Micro switch]
Detects open/close of the
front door lower.
front door lower.
Open
Close
CN11
3
PCU
DSW-FU
Front door upper open/close
switch [Micro switch]
switch [Micro switch]
Detects open/close of the
front door upper.
front door upper.
Open
Close
CN1
1
PCU
DSW-R
Right door open/close switch
[Micro switch]
[Micro switch]
Detects open/close of the
right door.
right door.
Open
Close
CN2
4
PCU
DVCM_D
Developing drive motor CL
[DC brushless motor]
[DC brushless motor]
Drives the developing section
(CL).
(CL).
Drive
Stop
CN9
8
PCU
DVCM_CK
Developing drive motor CL
control
control
Controls the developing drive
motor CL RPM.
motor CL RPM.
-
-
CN9
6
PCU
PWM drive
DVCM_LD
Developing drive motor CL
lock
lock
Detects the developing drive
motor CL lock.
motor CL lock.
-
Lock
detected
CN9
10
PCU
DVKM_D
Developing drive motor K
[DC brushless motor]
[DC brushless motor]
Drives the developing section
(K). / Drives the primary
transfer belt separation.
(K). / Drives the primary
transfer belt separation.
Drive
Stop
CN13
9
PCU
DVKM_CK
Developing drive motor K
control
control
Controls the developing drive
motor K RPM.
motor K RPM.
-
-
CN13
11
PCU
PWM drive
DVKM_LD
Developing drive motor K
lock
lock
Detects the developing drive
motor K lock.
motor K lock.
-
Lock
detected
CN13
13
PCU
DVKM_GAIN
Developing drive motor K
gain
gain
Developing drive motor K
gain.
gain.
Low
speed
High speed
CN13
15
PCU
DVKM_CW/
CCW
CCW
Developing drive motor K
rotating direction
rotating direction
Developing drive motor K
rotating direction
rotating direction
CW
CCW
CN13
17
PCU
FUEXD
External variable sensor
[Photo interrupter]
[Photo interrupter]
Detects the position of the
separation mechanism of the
external heater of the fusing
section.
separation mechanism of the
external heater of the fusing
section.
-
Reference
CN13
30
PCU
FEXM
External variable motor
[Stepping motor]
[Stepping motor]
Separates the external
heating roller of the fusing
unit.
heating roller of the fusing
unit.
-
-
CN14
3, 13,
15, 17,
19
PCU
Drives with
4-phase signals.
4-phase signals.
FUFM_F
Fusing cooling fan/ Toner
bottle cooling fan
bottle cooling fan
Cools the fusing unit./ Cools
the toner bottle.
the toner bottle.
Stop
Drive
CN12
1
PCU
FUFM_F_LD
Fusing cooling fan lock
Detects the fusing cooling fan
lock.
lock.
-
Lock
detected
CN12
3
PCU
FUFM_R
Fusing duct fan
Cools the fusing unit.
Stop
Drive
CN13
2
PCU
FUFM_CNT
Fusing duct fan control
Controls the fusing duct fan
RPM.
RPM.
-
-
CN10
14
PCU
PWM drive
FUFM_CNT2
Fusing cooling fan control
Controls the fusing cooling
fan RPM.
fan RPM.
-
-
CN13
10
PCU
FUFM_R_LD
Fusing duct fan lock
Detects the fusing duct fan
lock.
lock.
-
Lock
detected
CN13
4
PCU
FUM_D
Fusing motor
[DC brushless motor]
[DC brushless motor]
Drives the fusing unit.
Stop
Drive
CN14
9
PCU
FUM_CK
Fusing motor control signal
Controls the fusing motor
RPM.
RPM.
-
-
CN14
7
PCU
PWM drive
FUM_LD
Fusing motor lock
Detects the fusing motor lock.
-
Lock
detected
CN14
11
PCU
HDDFM
HDD cooling fan motor
Cools the HDD.
Stop
Drive
CN17
1
Mother
HDDFM_PWM
HDD cooling fan motor
control
control
Controls the HDD cooling fan
motor RPM.
motor RPM.
-
-
CN17
2
Mother
PWM drive
HDDFM_LD
HDD cooling fan motor lock
Detects the HDD cooling fan
motor lock.
motor lock.
-
Lock
detected
CN17
4
Mother
HL_EX
Heater lamp [Halogen lamp]
Heats the external roller.
OFF
ON
CN10
11
PCU
HL_LM
Lower heater lamp
[Halogen lamp]
[Halogen lamp]
Heats the lower heat roller.
OFF
ON
CN10
9
PCU
HL_UM
Heater lamp upper main
[Halogen lamp]
[Halogen lamp]
Heats the upper heat roller
(main).
(main).
OFF
ON
CN10
5
PCU
HL_US
Heater lamp upper sub
[Halogen lamp]
[Halogen lamp]
Heats the upper heat roller
(sub).
(sub).
OFF
ON
CN10
7
PCU
HTCS_C
Hopper remaining quantity
sensor C [Oscillation sensor]
sensor C [Oscillation sensor]
Detects the remaining
quantity of toner in the toner
hopper.
quantity of toner in the toner
hopper.
Remaining
quantity
Large
Remaining
quantity
Small
CN10
17
PCU
HTCS_K
Hopper remaining quantity
sensor K [Oscillation sensor]
sensor K [Oscillation sensor]
Detects the remaining
quantity of toner in the toner
hopper.
quantity of toner in the toner
hopper.
Remaining
quantity
Large
Remaining
quantity
Small
CN9
27
PCU
Signal name
Name [Type]
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
NOTE
"L"
"H"
MX-7000N ELECTRICAL SECTION 11 – 46
HTCS_M
Hopper remaining quantity
sensor M [Oscillation sensor]
sensor M [Oscillation sensor]
Detects the remaining
quantity of toner in the toner
hopper.
quantity of toner in the toner
hopper.
Remaining
quantity
Large
Remaining
quantity
Small
CN10
16
PCU
HTCS_Y
Hopper remaining quantity
sensor Y [Oscillation sensor]
sensor Y [Oscillation sensor]
Detects the remaining
quantity of toner in the toner
hopper.
quantity of toner in the toner
hopper.
Remaining
quantity
Large
Remaining
quantity
Small
CN10
18
PCU
HTM_C
Hopper motor C
[Synchronous motor]
[Synchronous motor]
Transports toner.
-
-
CN8
5, 7
Driver
Drives with
2-phase signals.
2-phase signals.
HTM_K
Hopper motor K
[Synchronous motor]
[Synchronous motor]
Transports toner.
-
-
CN8
6, 8
Driver
Drives with
2-phase signals.
2-phase signals.
HTM_M
Hopper motor M
[Synchronous motor]
[Synchronous motor]
Transports toner.
-
-
CN8
9, 11
Driver
Drives with
2-phase signals.
2-phase signals.
HTM_Y
Hopper motor Y
[Synchronous motor]
[Synchronous motor]
Transports toner.
-
-
CN8
2, 4
Driver
Drives with
2-phase signals.
2-phase signals.
HUD_M/TH_M
Temperature/humidity
sensor [Temperature/
Humidity sensor]
sensor [Temperature/
Humidity sensor]
Detects the temperature and
the humidity.
the humidity.
-
-
CN15
30, 32
PCU
Analog
detection
detection
LCCM
LCC Transport motor
[Stepping motor]
[Stepping motor]
Drives the LCC transport
roller.
roller.
-
-
CN1
1, 2, 3,
4
Driver
Drives with
4-phase signals.
4-phase signals.
LPFC
LCC paper feed clutch
[Electromagnetic clutch]
[Electromagnetic clutch]
Controls ON/OFF of the paper
feed roller in the LCC paper
feed section.
feed roller in the LCC paper
feed section.
ON
OFF
CN14
24
PCU
LPPD
LCC paper entry sensor
[Reflection sensor]
[Reflection sensor]
Detects paper entry from the
LCC.
LCC.
Pass
-
CN3
11
PCU
LSS_BK
LSU shutter solenoid BK
[Electromagnetic solenoid]
[Electromagnetic solenoid]
Opens and closes the LSU
(BK) shutter.
(BK) shutter.
ON
OFF
CN8
38
PCU
LSS_CL
LSU shutter solenoid CL
[Electromagnetic solenoid]
[Electromagnetic solenoid]
Opens and closes the LSU
(CL) shutter.
(CL) shutter.
ON
OFF
CN8
40
PCU
LSUFM
LSU cooling fan motor
Cools the polygon motor.
Stop
Drive
CN2
1
LSU
nFANRDY
LSU cooling fan motor lock
Detects the LSU cooling fan
motor lock.
motor lock.
-
Lock
detected
CN2
2
LSU
MHPS
Scanner home position
sensor [Photo interrupter]
sensor [Photo interrupter]
Detects the scanner home
position.
position.
-
Home
position
CN134
1
SCU
MIM
Scanner motor
[Stepping motor]
[Stepping motor]
Scanner (reading) section
-
-
CN137
1, 2, 3,
4
SCU
MPED
Manual paper presence
detection [Photo interrupter]
detection [Photo interrupter]
Detects paper in the manual
paper feed tray.
paper feed tray.
YES
NO
CN3
7
RD I/F
MPFD
Manual paper entry detection
[Photo interrupter]
[Photo interrupter]
Detects paper entry from the
manual paper feed tray.
manual paper feed tray.
Pass
-
CN15
24
PCU
MPFS
Paper pickup solenoid
(Manual paper feed)
[Electromagnetic solenoid]
(Manual paper feed)
[Electromagnetic solenoid]
Paper pickup solenoid
(manual paper feed)
(manual paper feed)
Pickup
-
CN15
38
PCU
MPGS
Manual paper feed gate
solenoid
[Electromagnetic solenoid]
solenoid
[Electromagnetic solenoid]
Controls open/close of the
manual feed gate.
manual feed gate.
ON
OFF
CN15
36
PCU
MPLD1
Manual feed paper length
detector [Photo interrupter]
detector [Photo interrupter]
Detects the paper length of
the manual paper feed tray.
the manual paper feed tray.
Detection
-
CN3
16
RD I/F
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
CN14
20
PCU
MPWS
Manual paper feed tray
paper width detector
[Volume resistor]
paper width detector
[Volume resistor]
Detects the width of paper in
the manual paper feed tray.
the manual paper feed tray.
-
-
CN15
28
PCU
Analog
detection
detection
MTOP1
Manual paper feed tray pull-
out position detector 1
[Photo interrupter]
out position detector 1
[Photo interrupter]
Detects the pull-out position
(storing position) of paper in
the manual paper feed tray.
(storing position) of paper in
the manual paper feed tray.
-
Storing
position
CN3
25
RD I/F
MTOP2
Manual paper feed tray pull-
out position detector 2
[Photo interrupter]
out position detector 2
[Photo interrupter]
Detects the pull-out position
(storing position) of paper in
the manual paper feed tray.
(storing position) of paper in
the manual paper feed tray.
-
Puling out
position
CN3
22
RD I/F
OCSW
Original cover SW
[Photo interrupter]
[Photo interrupter]
Document size detection
trigger
trigger
Close
Open
CN136
3
SCU
OZFM1
Ozone fan motor 1
Exhausts ozone.
Stop
Drive
CN 7
20
PCU
OZFM2
Ozone fan motor 2
Exhausts ozone.
Stop
Drive
CN 6
21
PCU
OZFM3
Ozone fan motor 3
Exhausts ozone.
Stop
Drive
CN 6
22
PCU
OZFM_CNT
Ozone fan motor control 1
Controls the ozone fan motor
1 and 2 RPM.
1 and 2 RPM.
-
-
CN7
22, 23
PCU
PWM drive
OZFM_CNT2
Ozone fan motor control 2
Controls the ozone fan motor
3 RPM.
3 RPM.
-
-
CN19
16
PCU
PWM drive
OZFM_LD1
Ozone fan motor 1 lock
Detects the ozone fan motor 1
lock.
lock.
-
Lock
detected
CN7
26
PCU
OZFM_LD2
Ozone fan motor 2 lock
Detects the ozone fan motor 2
lock.
lock.
-
Lock
detected
CN6
27
PCU
OZFM_LD3
Ozone fan motor 3 lock
Detects the ozone fan motor 3
lock.
lock.
-
Lock
detected
CN6
28
PCU
Signal name
Name [Type]
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
NOTE
"L"
"H"
MX-7000N ELECTRICAL SECTION 11 – 47
PCS_CL/
PCS_K
PCS_K
Process control sensor PWB
[Toner density sensor]
[Toner density sensor]
Detects the toner patch
density.
density.
-
-
CN8
25, 26
PCU
Analog
detection
detection
PCSS
Process control shutter
solenoid
[Electromagnetic solenoid]
solenoid
[Electromagnetic solenoid]
Opens and closes the shutter
of the process control and the
register sensor.
of the process control and the
register sensor.
Open
Close
CN8
36
PCU
PFM
PS front transport motor
[Stepping motor]
[Stepping motor]
Drives the transport roller.
-
-
CN9
3, 4, 5,
6
Driver
Drives with
4-phase signals.
4-phase signals.
PHTM_K1
Intermediate hopper motor 1
[Synchronous motor]
[Synchronous motor]
Transports toner.
-
-
CN2
2, 3
DVK_
Driver
Driver
PHTM_K2
Intermediate hopper motor 2
[Synchronous motor]
[Synchronous motor]
Transports toner.
-
-
CN2
4, 5
DVK_
Driver
Driver
PNC_B
Personal counter signal B
Outputs the count UP signal.
Count UP
-
CN7
29
PCU
PNC_C
Personal counter signal C
Outputs the count UP signal.
Count UP
-
CN7
30
PCU
PO_TMP
Paper exit temperature
detection
[Temperature sensor]
detection
[Temperature sensor]
Detects the temperature.
-
-
CN15
12
PCU
Analog
detection
detection
POD1
Fusing rear detection
[Photo interrupter]
[Photo interrupter]
Detects paper from the fusing
section.
section.
-
Pass
CN13
36
PCU
POD2
Paper exit detection
[Photo interrupter]
[Photo interrupter]
Detects paper exit.
Pass
-
CN15
8
PCU
POD3
Right tray paper exit
detection [Photo interrupter]
detection [Photo interrupter]
Detects paper exit to the right
tray.
tray.
Pass
-
CN15
22
PCU
POFM
Paper exit cooling fan motor
(F side/ Center)
(F side/ Center)
Cools the fusing unit.
Stop
Drive
CN15
1
PCU
POFM_CNT1
Paper exit cooling fan motor
(F side) control
(F side) control
Controls the paper exit
cooling fan motor (F side)
RPM.
cooling fan motor (F side)
RPM.
-
-
CN15
3
PCU
PWM drive
POFM_CNT2
Paper exit cooling fan motor
(Center) control
(Center) control
Controls the paper exit
cooling fan motor (center)
RPM.
cooling fan motor (center)
RPM.
-
-
CN15
13
PCU
PWM drive
POFM_F_LD
Paper exit cooling fan motor
(F side) lock
(F side) lock
Detects the paper exit cooling
fan motor (F side) lock.
fan motor (F side) lock.
-
Lock
detected
CN15
7
PCU
POFM_U_LD
Paper exit cooling fan motor
(Center) lock
(Center) lock
Detects the paper exit cooling
fan motor (center) lock.
fan motor (center) lock.
-
Lock
detected
CN15
9
PCU
POLY_START
Polygon motor
[DC brushless motor]
[DC brushless motor]
Scans laser beams.
Drive
Stop
CN8
3
LSU
POLY_CL
Polygon motor control
Controls the polygon motor
RPM.
RPM.
-
-
CN8
5
LSU
POLY_LOCK
Polygon motor lock
Detects the polygon motor
lock.
lock.
-
Lock
detected
CN8
4
LSU
BRAKE
Polygon motor brake
Polygon motor brake
Break
-
CN8
6
LSU
POM
Paper exit motor
[Stepping motor]
[Stepping motor]
Drives the paper exit roller.
-
-
CN4
1, 2, 3,
4
Driver
Drives with
4-phase signals.
4-phase signals.
PPD1
Resist front detection (PPD1)
[Photo interrupter]
[Photo interrupter]
Detects paper in front of the
resist roller.
resist roller.
Pass
-
CN14
23
PCU
PPD2
Resist detection (PPD2)
[Reflection type sensor]
[Reflection type sensor]
Detects paper at the rear of
the resist roller.
the resist roller.
Pass
-
CN14
25
PCU
PSFM1
Power cooling fan motor 1
Cools the power unit.
Stop
Drive
CN6
29
PCU
PSFM2
Power cooling fan motor 2
Cools the power unit.
Stop
Drive
CN6
30
PCU
PSFM1_LD
Power cooling fan motor 1
lock
lock
Detects the power cooling fan
motor 1 lock.
motor 1 lock.
-
Lock
detected
CN6
31
PCU
PSFM2_LD
Power cooling fan motor 2
lock
lock
Detects the power cooling fan
motor 2 lock.
motor 2 lock.
-
Lock
detected
CN6
32
PCU
PTCM
PTC cleaner motor
[Brush motor]
[Brush motor]
Cleans the PTC.
-
-
CN18
25, 27
PCU
Normal/reverse
rotation with
2-phase.
rotation with
2-phase.
PTCM_HP
PTC unit inside sensor
[Leaf switch]
[Leaf switch]
Detects the home position of
the PTC cleaner.
the PTC cleaner.
-
HOME
CN18
22
PCU
REG R
Resist sensor PWB R
[Reflection type sensor]
[Reflection type sensor]
Detects the toner patch
(R side).
(R side).
-
-
CN8
PCU
Analog
detection
detection
REG_F
Resist sensor PWB F
[Reflection type sensor]
[Reflection type sensor]
Detects the toner patch
(F side).
(F side).
-
-
CN8
21
PCU
Analog
detection
detection
RRC
PS clutch
[Electromagnetic clutch]
[Electromagnetic clutch]
Controls ON/OFF of the resist
roller.
roller.
ON
OFF
CN14
10
PCU
RRC2
PS clutch 2
[Electromagnetic clutch]
[Electromagnetic clutch]
Resist roller braking
ON
OFF
CN14
29
PCU
RRM_D
PC motor
[DC brushless motor]
[DC brushless motor]
Drives the transport roller.
Drive
Stop
CN14
14
PCU
RRM_CK
PS motor control
Controls the PS motor RPM.
-
-
CN14
12
PCU
PWM drive
RRM_LD
PS motor lock
Detects the PS motor lock.
-
Lock
detected
CN14
16
PCU
SCOV
DSPF upper door open/close
sensor [Transmission type]
sensor [Transmission type]
Detects open/close of the
upper door.
upper door.
Open
SCU
Signal name
Name [Type]
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
NOTE
"L"
"H"
MX-7000N ELECTRICAL SECTION 11 – 48
SLCOV
DSPF lower door open/close
sensor [Micro switch]
sensor [Micro switch]
Detects open/close of the
lower door.
lower door.
Open
SCU
SLUM
DSPF lift-up motor
[PM stepper motor]
[PM stepper motor]
Lifts up or moves down the
paper feed tray.
paper feed tray.
SCU
SOCD
DSPF open/close sensor
[Transmission type]
[Transmission type]
Detects open/close of the
DSPF unit.
DSPF unit.
Open
SCU
SPED1
DSPF document upper limit
sensor [Transmission type]
sensor [Transmission type]
Detects the upper limit of the
DSPF document.
DSPF document.
When
paper is
detected
SCU
SPED2
DSPF document empty
sensor [Transmission type]
sensor [Transmission type]
Detects document in the
paper feed tray.
paper feed tray.
When
paper is
detected
SCU
SPFC
DSPF paper feed clutch
[Electromagnetic clutch]
[Electromagnetic clutch]
Controls ON/OFF of the paper
feed section roller.
feed section roller.
SCU
SPFFAN
DSPF cooling fan motor
[DC brushless motor]
[DC brushless motor]
Cools the motor and the
clutch.
clutch.
SCU
SPFM
DSPF transport motor
[Hybrid stepper motor]
[Hybrid stepper motor]
Drives the transport roller.
SCU
SPLS1
DSPF document length
detection short sensor
[Transmission type]
detection short sensor
[Transmission type]
Detects the length of
document in the paper feed
tray.
document in the paper feed
tray.
When
paper is
detected
SCU
SPLS2
DSPF document length
detection long sensor
[Transmission type]
detection long sensor
[Transmission type]
Detects the length of
document in the paper feed
tray.
document in the paper feed
tray.
When
paper is
detected
SCU
SPOD
DSPF paper exit sensor
[Transmission type]
[Transmission type]
Detects paper exit.
When
paper is
detected
SCU
SPOM
DSPF paper exit motor
[PM stepper motor]
[PM stepper motor]
Drives the paper exit roller.
SCU
SPPD1
DSPF paper pass sensor 1
[Transmission type]
[Transmission type]
Detects paper pass.
When
paper is
detected
SCU
SPPD2
DSPF paper pass sensor 2
[Transmission type]
[Transmission type]
Detects paper pass.
When
paper is
detected
SCU
SPPD3
DSPF paper pass sensor 3
[Transmission type]
[Transmission type]
Detects paper pass.
When
paper is
detected
SCU
SPPD4
DSPF paper pass sensor 4
[Transmission type]
[Transmission type]
Detects paper pass.
When
paper is
detected
SCU
SPPD5
DSPF paper pass sensor 5
[Transmission type]
[Transmission type]
Detects paper pass.
When
paper is
detected
SCU
SPRDMD
DSPF document random
sensor [Transmission type]
sensor [Transmission type]
Detects the paper size in
random paper feed.
random paper feed.
When
paper is
detected
SCU
SPUM
DSPF paper feed motor
[Hybrid stepper motor]
[Hybrid stepper motor]
Drives the paper feed section
roller and the transport roller.
roller and the transport roller.
SCU
SPWS
DSPF document width
sensor [Volume resistor]
sensor [Volume resistor]
Detects the width of
document in the paper feed
tray.
document in the paper feed
tray.
SCU
SRRBC
DSPF No. 2 resist roller
brake clutch
[Electromagnetic clutch]
brake clutch
[Electromagnetic clutch]
No. 2 resist roller braking
SCU
SRRC
DSPF No. 2 resist roller
clutch
[Electromagnetic clutch]
clutch
[Electromagnetic clutch]
Controls ON/OFF of No. 2
resist roller.
resist roller.
SCU
STLD
DSPF paper feed tray lower
limit sensor
[Transmission type]
limit sensor
[Transmission type]
Detects the lower limit of the
paper feed tray.
paper feed tray.
Lower limit
SCU
STRC
DSPF transport roller clutch
[Electromagnetic clutch]
[Electromagnetic clutch]
Controls ON/OFF of the
transport roller 1.
transport roller 1.
SCU
STRRBC
DSPF No. 1 resist roller
brake clutch
[Electromagnetic clutch]
brake clutch
[Electromagnetic clutch]
No. 1 resist roller braking
SCU
STRRC
DSPF No. 1 resist roller
clutch [Electromagnetic
clutch]
clutch [Electromagnetic
clutch]
Controls ON/OFF of No. 1
resist roller.
resist roller.
SCU
STUD
DSPF paper feed tray upper
limit sensor
[Transmission type]
limit sensor
[Transmission type]
Detects the upper limit of the
paper feed tray.
paper feed tray.
Upper limit
SCU
T1LUD
Tandem tray 1 sensor
[Photo interrupter]
[Photo interrupter]
Detects lift-up of the tandem
tray 1.
tray 1.
Upper limit
-
CN5
23
PCU
Signal name
Name [Type]
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
NOTE
"L"
"H"
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