MX-5001N ELECTRICAL SECTION 10 – 44
POFM_
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]
Drives the paper exit roller. – – CN8 13,15,
17,19
PCU Drives with the
4-phase signal.
POM_
CNT
Paper exit drive motor current
select
Selects the paper exit drive
motor current.
Large
current
Small
current
CN8 11 PCU
PPD1 Registration front detection
[Transmission type]
Detects paper in front of the
registration roller.
Pass – CN6 12 PCU
PPD2 Registration detection Detects paper at the rear of the
registration roller.
Pass – CN6 18 PCU
PRM Fusing pressure release motor
[Stepping motor]
Changes the fusing pressure. – – CN14 20,22,
24,26
PCU Drives with the
4-phase signal.
PSFM_LD Power cooling fan motor 1 lock
detection
Detects the power cooling fan
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
Power cooling fan motor 2 lock
detection
Detects the power cooling fan
motor 2 lock.
– Lock
detection
CN5 22 PCU
PTC_ERR PTC high voltage error
detection
Detects the output abnormality
of the PTC high voltage.
Error
detection
– CN15 7 PCU
PTC_
HEAT
PTC heater Turns ON/OFF of the PTC
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]
Outputs the ON/OFF control
signal of the DC power.
ON OFF CN12 8 MOTHER
RCFM_LD Machine rear section cooling
fan motor lock detection
Detects the cooling fan motor
lock in the machine rear section.
– Lock
detection
CN14 23 PCU
RCFM_V Machine rear section cooling
fan motor
Cools the machine rear section. Stop Drive CN14 25 PCU
REGS_F Registrations sensor (Front)
[Reflection type]
Detects registration shift. – – CN6 5 PCU Analog
detection
REGS_F_
LED
Registration sensor LED
(Front) [LED]
Registration sensor LED light
emitting.
– – CN6 7 PCU Analog output
REGS_R Registration sensor (Rear)
[Reflection type]
Detects registration shift. – – CN6 6 PCU Analog
detection
REGS_R_
LED
Registrations sensor LED
(Rear) [LED]
Registration sensor LED light
emitting
– – CN6 8 PCU Analog output
RRM Registration motor
[Stepping motor]
Drives and turns ON the
registration roller.
– – CN8 14,16,
23,25
PCU Drives with the
4-phase signal.
RRM_
CNT
Registration motor current
select
Selects the registration motor
current.
Large
current
Small
current
CN8 21 PCU
TCS_C Toner density sensor
[Magnetic sensor]
Detects the toner density (C). – – CN10 27 PCU Analog
detection
TCS_K Toner density sensor
[Magnetic sensor]
Detects the toner density (K). – – CN10 7 PCU Analog
detection
TCS_M Toner density sensor
[Magnetic sensor]
Detects the toner density (M). – – CN10 8 PCU Analog
detection
TCS_Y Toner density sensor
[Magnetic sensor]
Detects the toner density (Y). – – CN10 28 PCU Analog
detection
TFD2 Paper exit full detection
[Transmission type]
Detects the face-down paper exit
tray full.
Full – CN13 26 PCU
TFD3 Right tray paper exit full
detection
Detects the paper exit full in the
right tray.
Full – CN2 1 RD I/F
TH_EX1_
IN
External thermistor 1 External thermistor 1 – – CN13 10 PCU Analog
detection
TH_EX2_
IN
External thermistor 2 External thermistor 2 – – CN13 5 PCU Analog
detection
TH_LM_
IN
Lower main thermistor Detects the temperature. – – CN13 9 PCU Analog
detection
TH_M Temperature detection Detects the temperature. – – CN7 19 PCU Analog
detection
TH_UM_
IN
Upper main thermistor Detects the temperature. – – CN13 8 PCU Analog
detection
TH_
UMCS_IN
Upper main thermistor Detects the temperature. – – CN13 1 PCU Analog
detection
TH_US_
IN
Upper sub thermistor Detects the temperature. – – CN13 4 PCU Analog
detection
TH1_LSU LSU unit thermistor Detects the temperature. – – CN19 5 PCU Analog
detection
TNM_C Toner motor C
[Stepping motor]
Transports toner from the toner
cartridge to the developing unit.
– – CN15 24,26,
28,30
PCU Drives with the
4-phase signal.
Signal
name
Name [Type] Function/Operation
Connector level
Connector
No.
Pin
No.
PWB
name
NOTE
"L" "H"
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