MX-C250, MX-C250E, MX-C250F, MX-C250FE, MX-C250FR, MX-C300F, MX-C300W, MX-C300WE, MX-C300A, MX-C300WR (serv.man8). Circuit Diagrams - Sharp Copying Equipment Service Manual (repair manual). Page 92

Read Sharp MX-C250 / MX-C250E / MX-C250F / MX-C250FE / MX-C250FR / MX-C300F / MX-C300W / MX-C300WE / MX-C300A / MX-C300WR (serv.man8) Service Manual online

MX-C300W  SIGNAL LIST  4 –  2
HV_DAC_CLK
HV-PWB DAC Setting Clock Sig-
nal
(Clock)
CN29
6
MFPC
HV-PWB I/F
HV_DAC_DT
HV-PWB DAC Setting Serial Data 
Signal
(Serial Data)
CN29
5
MFPC
HV-PWB I/F
HV_DAC_LD
HV-PWB DAC Setting Load Signal
Load
CN29
7
MFPC
HV-PWB I/F
HV_REM
HV Remote Control
Remote On
CN29
8
MFPC
HV-PWB I/F
LSUFM_LD
Detect LSU FAN Lock
Detect:Lock
CN36
19
MFPC
LSUFM
LSUFM_V
LSU FAN Control
FAN Power 
On(24V)
CN36
17
MFPC
LSUFM
MC_ERR
Detect MC Error
Error
CN29
9
MFPC
HV-PWB I/F
MHPS
Detect Scanner Home Position
Detect:Home 
Position
CN18
7
MFPC
Scanner Unit MHPS
MIM_A
Scanner Mirror Stepper Motor 
Control PWM Phase A
(PWM)
CN18
1
MFPC
Scanner Unit MIM
MIM_B
Scanner Mirror Stepper Motor 
Control PWM Phase B
(PWM)
CN18
3
MFPC
Scanner Unit MIM
MIM_XA
Scanner Mirror Stepper Motor 
Control PWM Phase XA
(PWM)
CN18
2
MFPC
Scanner Unit MIM
MIM_XB
Scanner Mirror Stepper Motor 
Control PWM Phase XB
(PWM)
CN18
4
MFPC
Scanner Unit MIM
MPED
Detect Paper Manual bypass
Detect: Paper 
exists
CN31
5
MFPC
Manual bypass Unit:MPED
MPFC
Manual feed Clutch Control
Clutch On(FET 
DS On)
CN34
2
MFPC
MPFC
OZFM_CNTPW
M
Ozone exhaust FAN Speed Con-
trol
(PWM)
CN39
7
MFPC
OZFM1
OZFM1_LD
Detect Ozone exhaust FAN Lock
Detect:Lock
CN39
5
MFPC
OZFM1
OZFM1_V
Ozone exhaust FAN Control
FAN Power 
On(24V)
CN39
3
MFPC
OZFM1
PCS_F
Detect Process Control  Light vol-
ume
(Analog)
CN35
1
MFPC
PCS_F
PCSS
Process Control Shutter Solenoid 
Control
Solenoid 
On(FET DS 
On)
CN35
10
MFPC
PCSS
POC
Delivery clutch normal rotation 
Control
Clutch On(FET 
DS On)
CN38
2
MFPC
POC
POD1
Detect After-fixing paper
Detect:On 
Paper
CN21
5
MFPC
Delivery Unit:POD1
PORC
Delivery clutch reversal Control
Clutch On(FET 
DS On)
CN38
4
MFPC
PORC
PPD2
Detect Regist
Detect:Non 
Paper
CN34
11
MFPC
PPD2
PSFM_CNT
Power Supply Cooling FAN Speed 
Control
(PWM)
CN29
18
MFPC
PSFM
PSFM_LD
Detect Power Supply Cooling FAN 
Lock
Detect:Lock
CN29
17
MFPC
PSFM
PSFM_V
Power Supply Cooling FAN Drive 
Control
FAN Power 
On(24V)
CN29
16
MFPC
PSFM
REGS_F
Detect Front Regist Light volume
(Analog)
CN35
2
MFPC
REGS_F
REGS_F_LED
Front Regist LED Light volume 
Control
(Analog)
CN35
3
MFPC
REGS_F_LED
REGS_R
Detect Rear Regist Light volume
(Analog)
CN35
6
MFPC
REGS_R
REGS_R_LED
Rear Regist LED Light volume 
Control
(Analog)
CN35
7
MFPC
REGS_R_LED
RRC
Resist Roller Clutch Control
Clutch On(FET 
DS On)
CN34
4
MFPC
RRC
RSPDET
Detect Scanner RSPF Unit
Detect:RSPF 
Unit
CN19
19
MFPC
Scanner SSPF/RSPF Unit
SCU_SCOV
Detect SPF Cover Open/Close
Open
Close
CN19
14
MFPC
Scanner SSPF/RSPF 
Unit:SCOV
SCU_SPED
Detect SPF Nothing Manuscript
Detect:Nothing
CN19
2
MFPC
Scanner SSPF/RSPF Unit 
SPED
SCU_SPPD1
Detect No Conveyance paper
Detect:Paper 
Empty
CN19
8
MFPC
Scanner SSPF/RSPF 
Unit:SPPD1
SCU_SPPD2
Detect Name Card
Detect:Name 
Card
CN19
21
MFPC
Scanner SSPF/RSPF 
Unit:SPPD2
SCU_SPUS
SPF Feed roller Clutch Control
Clutch On(FET 
DS On)
CN19
7
MFPC
Scanner SSPF/RSPF 
Unit:SPUS
SCU_SRVC
SPF Delivery roller Clutch Control
Clutch On(FET 
DS On)
CN19
3
MFPC
Scanner SSPF/RSPF Unit 
SRVC
SPDET
Detect Scanner SSPF Unit
Detect:SSPF 
Unit
CN19
17
MFPC
Scanner SSPF/RSPF Unit
SPFM_A
Scanner xSPF Stepper Motor 
Control PWM Phase A
(PWM)
CN19
9
MFPC
Scanner SSPF/RSPF 
Unit:xSPF Motor
SPFM_B
Scanner xSPF Stepper Motor 
Control PWM Phase B
(PWM)
CN19
11
MFPC
Scanner SSPF/RSPF 
Unit:xSPF Motor
Signal Name
Description
Connector Level
Connec-
tor
number
Pin
number
PWB
NOTE
L
H

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