MX-6240N, MX-7040N (serv.man33). Section 14 Electrical Section - Updated November 2012 - Sharp Copying Equipment Service Manual (repair manual). Page 35

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MX-7040N  ELECTRICAL SECTION  14 – 35
OZFM_CNT
Ozone fan motor 3 
PWM
Ozone fan motor 3 
PWM control
–
–
CN25
24
PCU PWB
PCS_C
Process control sensor 
C
Process control sensor 
C detection
–
–
CN16
10
PCU PWB
Analog
PCS_F
Process control sensor 
F
Process control sensor 
F detection
–
–
CN16
5
PCU PWB
Analog
PCS_R
Process control sensor 
R
Process control sensor 
R detection
–
–
CN16
15
PCU PWB
Analog
PCSS
Process control shutter 
solenoid
Process control shutter 
solenoid control
Solenoid ON
–
CN16
20
PCU PWB
PCU_REQ
SCU communication 
(Send)
SCU communication 
(Send)
–
–
CN22
2
PCU PWB
POD1
Fusing rear detection
Fusing rear detection
Paper 
presence
–
CN9
28
PCU PWB
POD2
Main unit paper exit 
detection
Main unit paper exit 
detection
Paper 
presence
–
CN10
7
PCU PWB
POD3
Right paper exit 
detection
Right paper exit 
detection
Paper 
presence
–
CN12
27
PCU PWB
/POF
Power interruption 
detection signal
Power interruption 
detection signal
AC power 
OFF
–
CN22
8
PCU PWB
POFM_EX_CNT
Paper exit (rear 
exhaust) fan PWM
Controls the paper exit 
(rear exhaust) fan motor 
PWM.
–
–
CN10
35
PCU PWB
POFM_EX_LD
Paper exit (rear 
exhaust) fan lock 
detection
Detects the paper exit 
(rear exhaust) fan motor 
lock.
Normal 
rotation 
state
–
CN10
39
PCU PWB
POFM_EX_V
Paper exit (rear 
exhaust) fan ON/OFF
Controls the paper exit 
(rear exhaust) fan motor 
ON/OFF.
–
Fan motor 
ON
CN10
33
PCU PWB
POFM_F_CNT
Paper exit cooling fan F 
PWM
Paper exit cooling fan 
motor F PWM control
–
–
CN10
19
PCU PWB
POFM_F_LD
Paper exit cooling fan F 
lock detection
Paper exit cooling fan 
motor F lock detection
Normal 
rotation 
state
–
CN10
23
PCU PWB
POFM_R_CNT
Paper exit cooling fan R 
PWM
Paper exit cooling fan 
motor R PWM control
–
–
CN10
27
PCU PWB
POFM_R_LD
Paper exit cooling fan R 
lock detection
Paper exit cooling fan 
motor R lock detection
Normal 
rotation 
state
–
CN10
31
PCU PWB
POFM_V
Paper exit cooling fan 
ON/OFF
Paper exit cooling fan 
motor ON/OFF control
–
Fan motor 
ON
CN10
17
PCU PWB
PPD1
Registration pre-
detection
Registration pre-
detection
Paper 
presence
–
CN13
A-11
PCU PWB
PPD2
Registration detection
Registration detection
Paper 
presence
–
CN13
A-8
PCU PWB
PRTPD
Right paper exit tray 
paper empty detection
Right paper exit tray 
paper empty detection
Paper 
presence in 
the tray
–
CN12
3
PCU PWB
PSFM1_LD
Power supply fan motor 
1 lock detection
Power supply fan motor 
1 lock detection
Motor 
normal 
rotation 
state
–
CN4
4
PCU PWB
PSFM2_LD
Power supply fan motor 
2 lock detection
Power supply fan motor 
2 lock detection
Motor 
normal 
rotation 
state
–
CN4
3
PCU PWB
PSFM_V
Power supply fan ON/
OFF
Power supply fan motor 
1, 2 ON/OFF control
Fan motor 
ON
CN4
1
PCU PWB
PTC_ERR
PTC error detection 
signal
PTC error detection 
signal
–
High voltage 
error state
CN12
24
PCU PWB
PTCCHPD
PTC cleaner home 
position
PTC cleaner home 
position detection
–
Home 
position 
detection
CN16
4
PCU PWB
PTCCM_A
PTC cleaner motor 
phase A
PTC cleaner motor 
phase A control
–
–
CN13
B-12
PCU PWB
PTCCM_B
PTC cleaner motor 
phase B
PTC cleaner motor 
phase B control
–
–
CN13
B-11
PCU PWB
PTRC1
Casette vertical 
transport clutch
Casette vertical 
transport clutch control
Clutch ON
–
CN3
B-9
PCU PWB
PTRC2
Vertical transport clutch 
upper
Vertical transport upper 
clutch control
Clutch ON
–
CN15
13
PCU PWB
PWM_RSVFAN
MFP_FAN/HDD_FAN 
control
Controls the MFP_FAN/
HDD_FAN.
–
–
CN1002/
CN1013
2/2
SCN-
MotherCNT
Signal name
Name [Type]
Function/Operation
Connector level
Connector 
No.
Pin 
No.
PWB name
NOTE
L
H
Display
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