Read Sharp MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man18) Service Manual online
MX-4101N ELECTRICAL SECTION 10 – 40
POFM_
LD2
LD2
POFM lock detection
Detects the POFM lock.
–
Lock
detection
CN13
23
PCU
POFM_V
Paper exit cooling fan motor
Cools the fusing unit.
Stop
Drive
CN13
20
PCU
POM
Paper exit drive motor
[Stepping motor]
[Stepping motor]
Drives the paper exit roller.
–
–
CN8
13,15,
17,19
17,19
PCU
Drives with the
4-phase signal.
4-phase signal.
POM_
CNT
CNT
Paper exit drive motor current
select
select
Selects the paper exit drive
motor current.
motor current.
Large
current
Small
current
CN8
11
PCU
PPD1
Registration front detection
[Transmission type]
[Transmission type]
Detects paper in front of the
registration roller.
registration roller.
Pass
–
CN6
12
PCU
PPD2
Registration detection
Detects paper at the rear of the
registration roller.
registration roller.
Pass
–
CN6
18
PCU
PRM
Fusing pressure release motor
[Stepping motor]
[Stepping motor]
Changes the fusing pressure.
–
–
CN14
20,22,
24,26
24,26
PCU
Drives with the
4-phase signal.
4-phase signal.
PSFM_LD
Power cooling fan motor 1 lock
detection
detection
Detects the power cooling fan
motor 1 lock.
motor 1 lock.
–
Lock
detection
CN5
13
PCU
PSFM_V
Power cooling fan motor 1
Cools the power unit.
Stop
Drive
CN5
11
PCU
PSFM_V2
Power cooling fan motor 2
Cools the power unit.
Stop
Drive
CN5
21
PCU
PSFM2_
LD
LD
Power cooling fan motor 2 lock
detection
detection
Detects the power cooling fan
motor 2 lock.
motor 2 lock.
–
Lock
detection
CN5
22
PCU
PTC_ERR
PTC high voltage error
detection
detection
Detects the output abnormality
of the PTC high voltage.
of the PTC high voltage.
Error
detection
–
CN15
7
PCU
PTC_
HEAT
HEAT
PTC heater
Turns ON/OFF of the PTC
heater.
heater.
OFF
ON
CN16
22
PCU
PWM
MFP cooling fan
Cools the controller.
OFF
ON (PWM
control)
CN19
82
MFPC
PWRSW
Operation panel power switch
[Push switch]
[Push switch]
Outputs the ON/OFF control
signal of the DC power.
signal of the DC power.
ON
OFF
CN12
8
MOTHER
RCFM_LD
Machine rear section cooling
fan motor lock detection
fan motor lock detection
Detects the cooling fan motor
lock in the machine rear section.
lock in the machine rear section.
–
Lock
detection
CN14
23
PCU
RCFM_V
Machine rear section cooling
fan motor
fan motor
Cools the machine rear section.
Stop
Drive
CN14
25
PCU
REGS_F
Registrations sensor (Front)
[Reflection type]
[Reflection type]
Detects registration shift.
–
–
CN6
5
PCU
Analog
detection
detection
REGS_F_
LED
LED
Registration sensor LED
(Front) [LED]
(Front) [LED]
Registration sensor LED light
emitting.
emitting.
–
–
CN6
7
PCU
Analog output
REGS_R
Registration sensor (Rear)
[Reflection type]
[Reflection type]
Detects registration shift.
–
–
CN6
6
PCU
Analog
detection
detection
REGS_R_
LED
LED
Registrations sensor LED
(Rear) [LED]
(Rear) [LED]
Registration sensor LED light
emitting
emitting
–
–
CN6
8
PCU
Analog output
RRM
Registration motor
[Stepping motor]
[Stepping motor]
Drives and turns ON the
registration roller.
registration roller.
–
–
CN8
14,16,
23,25
23,25
PCU
Drives with the
4-phase signal.
4-phase signal.
RRM_
CNT
CNT
Registration motor current
select
select
Selects the registration motor
current.
current.
Large
current
Small
current
CN8
21
PCU
TCS_C
Toner density sensor
[Magnetic sensor]
[Magnetic sensor]
Detects the toner density (C).
–
–
CN10
27
PCU
Analog
detection
detection
TCS_K
Toner density sensor
[Magnetic sensor]
[Magnetic sensor]
Detects the toner density (K).
–
–
CN10
7
PCU
Analog
detection
detection
TCS_M
Toner density sensor
[Magnetic sensor]
[Magnetic sensor]
Detects the toner density (M).
–
–
CN10
8
PCU
Analog
detection
detection
TCS_Y
Toner density sensor
[Magnetic sensor]
[Magnetic sensor]
Detects the toner density (Y).
–
–
CN10
28
PCU
Analog
detection
detection
TFD2
Paper exit full detection
[Transmission type]
[Transmission type]
Detects the face-down paper exit
tray full.
tray full.
Full
–
CN13
26
PCU
TFD3
Right tray paper exit full
detection
detection
Detects the paper exit full in the
right tray.
right tray.
Full
–
CN2
1
RD I/F
TH_EX1_
IN
IN
External thermistor 1
External thermistor 1
–
–
CN13
10
PCU
Analog
detection
detection
TH_EX2_
IN
IN
External thermistor 2
External thermistor 2
–
–
CN13
5
PCU
Analog
detection
detection
TH_LM_
IN
IN
Lower main thermistor
Detects the temperature.
–
–
CN13
9
PCU
Analog
detection
detection
TH_M
Temperature detection
Detects the temperature.
–
–
CN7
19
PCU
Analog
detection
detection
TH_UM_
IN
IN
Upper main thermistor
Detects the temperature.
–
–
CN13
8
PCU
Analog
detection
detection
TH_
UMCS_IN
UMCS_IN
Upper main thermistor
Detects the temperature.
–
–
CN13
1
PCU
Analog
detection
detection
TH_US_
IN
IN
Upper sub thermistor
Detects the temperature.
–
–
CN13
4
PCU
Analog
detection
detection
TH1_LSU
LSU unit thermistor
Detects the temperature.
–
–
CN19
5
PCU
Analog
detection
detection
TNM_C
Toner motor C
[Stepping motor]
[Stepping motor]
Transports toner from the toner
cartridge to the developing unit.
cartridge to the developing unit.
–
–
CN15
24,26,
28,30
28,30
PCU
Drives with the
4-phase signal.
4-phase signal.
Signal
name
Name [Type]
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
NOTE
"L"
"H"
Click on the first or last page to see other MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man18) service manuals if exist.