Sharp MX-M850 (serv.man41) Service Manual ▷ View online
MX-M1100 ELECTRICAL SECTION 11 – 9
CN LEDout13
Connector 13 attachment check
LED output signal
LED output signal
Connector 13 attachment
check LED output
check LED output
Not
installed
Installed
13
1
PCU
CN LEDout14
Connector 14 attachment check
LED output signal
LED output signal
Connector 14 attachment
check LED output
check LED output
Not
installed
Installed
14
1
PCU
CN LEDout16
Connector 16 attachment check
LED output signal
LED output signal
Connector 16 attachment
check LED output
check LED output
Not
installed
Installed
16
1
PCU
CN LEDout17
Connector 17 attachment check
LED output signal
LED output signal
Connector 17 attachment
check LED output
check LED output
Not
installed
Installed
17
1
PCU
CN LEDout18
Connector 18 attachment check
LED output signal
LED output signal
Connector 18 attachment
check LED output
check LED output
Not
installed
Installed
18
2
PCU
CN LEDout19
Connector 19 attachment check
LED output signal
LED output signal
Connector 19 attachment
check LED output
check LED output
Not
installed
Installed
19
2
PCU
CN LEDout2
Connector 2 attachment check
LED output signal
LED output signal
Connector 2 attachment check
LED output
LED output
Not
installed
Installed
2
1
PCU
CN LEDout20
Connector 20 attachment check
LED output signal
LED output signal
Connector 20 attachment
check LED output
check LED output
Not
installed
Installed
20
1
PCU
CN LEDout21
Connector 21 attachment check
LED output signal
LED output signal
Connector 21 attachment
check LED output
check LED output
Not
installed
Installed
21
1
PCU
CN LEDout3
Connector 3 attachment check
LED output signal
LED output signal
Connector 3 attachment check
LED output
LED output
Not
installed
Installed
3
1
PCU
CN LEDout4
Connector 4 attachment check
LED output signal
LED output signal
Connector 4 attachment check
LED output
LED output
Not
installed
Installed
4
1
PCU
CN LEDout5
Connector 5 attachment check
LED output signal
LED output signal
Connector 5 attachment check
LED output
LED output
Not
installed
Installed
5
2
PCU
CN LEDout6
Connector 6 attachment check
LED output signal
LED output signal
Connector 6 attachment check
LED output
LED output
Not
installed
Installed
6
1
PCU
CN LEDout7
Connector 7 attachment check
LED output signal
LED output signal
Connector 7 attachment check
LED output
LED output
Not
installed
Installed
7
1
PCU
CN LEDout8
Connector 8 attachment check
LED output signal
LED output signal
Connector 8 attachment check
LED output
LED output
Not
installed
Installed
8
2
PCU
CN LEDout9
Connector 9 attachment check
LED output signal
LED output signal
Connector 9 attachment check
LED output
LED output
Not
installed
Installed
9
1
PCU
CRUCLK
Communication CLK
CLK for CRUM communication
—
—
8
11
PCU
CRUSDA
Communication data, address
signal
signal
Data and address signal for
CRUM communication
CRUM communication
—
—
8
13
PCU
D_DPAout_IN
Double feed detection PWB
external analog output signal
(DSPF)
external analog output signal
(DSPF)
External analog output
—
—
CN10
2
DSPFcnt
PWB
Analog
signal
signal
D_DPF_IN
Double feed detection PWB
double paper detection signal
(DSPF)
double paper detection signal
(DSPF)
Double feed detection
Normal
Double
feed
CN10
6
DSPFcnt
PWB
DCCNT3
DC power control 3 signal
DC power ON/OFF
OFF
ON
12
38
PCU
DCCNT4
DC power control 4 signal
DC power ON/OFF
OFF
ON
12
10
PCU
DESS
Front surface potential sensor
signal
signal
Potential detection on the drum
—
—
9
12
PCU
DET_STMPS1_
IN
IN
STMPS (Solenoid)
Stamp solenoid installation
detection
detection
Installed
Not
installed
CN1
31
DSPFcnt
PWB
DET_STMPS1_
IN
IN
STMPS (Solenoid)
Stamp solenoid installation
detection
detection
Installed
Not
installed
CN1
31
DSPF-
Driver
PWB
DET_STMPS1_
IN
IN
STMPS (Solenoid)
Stamp solenoid installation
detection
detection
Installed
Not
installed
CN2
3
DSPF-
Driver
PWB
DMCLK
Drum motor rotation speed
control (CLK) signal
control (CLK) signal
Drum motor rotation speed
control
control
—
—
21
19
PCU
DM-T
Drum motor lock detection signal
Drum motor lock detection
Rotation
Lock
21
21
PCU
DPF
Double feed detection PWB
double paper detection signal
(Main unit)
double paper detection signal
(Main unit)
Double feed detection
Normal
Double
feed
19
34
PCU
DPFAout
Double feed detection PWB
external analog output signal
(Main unit)
external analog output signal
(Main unit)
External analog output
—
—
19
37
PCU
DPFCK
Double feed detection PWB
operation check signal
(Main unit)
operation check signal
(Main unit)
PWB operation check
Send wave
Stop
19
33
PCU
DPFCK#
Double feed detection PWB
operation check signal
(DSPF)
operation check signal
(DSPF)
PWB operation check
Send wave
Stop
CN10
5
DSPFcnt
PWB
DSBD1
Duplex/ reverse detection 1
signal
signal
Duplex/ reverse detection 1
Paper pass
—
6
26
PCU
DSBD2
Duplex/ reverse detection 2
signal
signal
Duplex/ reverse detection 2
Paper pass
—
6
7
PCU
DSCLK_N
SCNCNT
DSPF image data transfer CLK
—
—
CN5
10
DSPFcnt
PWB
LVDS
Signal name
Name
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
Re
mark
L
H
MX-M1100 ELECTRICAL SECTION 11 – 10
DSCLK_N
DSPFcnt
DSPF image data transfer CLK
—
—
CN7
10
SCNCNT
PWB
LVDS
DSCLK_P
SCNCNT
DSPF image data transfer CLK
—
—
CN5
8
DSPFcnt
PWB
LVDS
DSCLK_P
DSPFcnt
DSPF image data transfer CLK
—
—
CN7
8
SCNCNT
PWB
LVDS
DSDATA0_N
SCNCNT
DSPF image data
—
—
CN5
28
DSPFcnt
PWB
LVDS
DSDATA0_P
SCNCNT
DSPF image data
—
—
CN5
26
DSPFcnt
PWB
LVDS
DSDATA1_N
SCNCNT
DSPF image data
—
—
CN5
24
DSPFcnt
PWB
LVDS
DSDATA1_P
SCNCNT
DSPF image data
—
—
CN5
22
DSPFcnt
PWB
LVDS
DSDATA2_N
SCNCNT
DSPF image data
—
—
CN5
18
DSPFcnt
PWB
LVDS
DSDATA2_P
SCNCNT
DSPF image data
—
—
CN5
16
DSPFcnt
PWB
LVDS
DSDATA3_N
SCNCNT
DSPF image data
—
—
CN5
6
DSPFcnt
PWB
LVDS
DSDATA3_P
SCNCNT
DSPF image data
—
—
CN5
4
DSPFcnt
PWB
LVDS
DSW-CS
Vertical transport door open/
close detection signal
close detection signal
Vertical transport door open/
close detection
close detection
Vertical
transport
door open
Vertical
transport
door close
13
5
PCU
DSW-F-HV
High voltage generating DC low
voltage power (+24V) line signal
voltage power (+24V) line signal
Power source for high voltage
(+24V)
(+24V)
Not
supplied
Supplied
3
9
PCU
DSW-F-HV2
High voltage generating DC low
voltage power (+24V) line
signal 2
voltage power (+24V) line
signal 2
Power source 2 for high voltage
(+24V)
(+24V)
Not
supplied
Supplied
3
2
PCU
DSW-F-in
Front cover open/close detection
signal
signal
Front cover open/close
detection
detection
Front door
open
Front door
close
4
38
PCU
DSW-R-in
Manual feed unit pull-out
detection signal (input side)
detection signal (input side)
Manual feed unit pull-out
detection (input side)
detection (input side)
Front door
open
Front door
close
20
6
PCU
DSW-R-out
Manual feed unit pull-out
detection signal (output side)
detection signal (output side)
Manual feed unit pull-out
detection (output side)
detection (output side)
Manual unit
pull-out
Manual unit
insertion
20
5
PCU
DVCH1
DV unit identification signal 1
Detects installation of the unit.
—
—
8
12
PCU
DVCH2
DV unit identification signal 2
Detects installation of the unit.
—
—
8
14
PCU
DVCH3
DV unit identification signal 3
Detects installation of the unit.
—
—
8
16
PCU
DVCH4
DV unit identification signal 4
Detects installation of the unit.
—
—
8
18
PCU
DVMCLK
Developing motor rotation speed
control (CLK) signal
control (CLK) signal
Developing motor rotation
speed control
speed control
—
—
21
9
PCU
DVM-T
Developing motor lock detection
signal
signal
Developing motor lock
detection
detection
Rotation
Lock
21
11
PCU
FDSBD
Paper exit reverse detection
signal
signal
Paper exit reverse detection
Paper pass
—
6
9
PCU
FIN_D
Finisher detection signal
Finisher detection
Installed
Not
installed
14
2
FMDV1MON
Toner suction fan lock detection
signal
signal
Toner suction fan lock
detection
detection
Normal
Lock
8
28
PCU
FPGHP
Fusing paper guide home
position detection signal
position detection signal
Fusing paper guide home
position detection
position detection
—
Home
position
1
8
PCU
FRM_CIS
Serial communication enable
signal
signal
Serial communication enable
signal
signal
—
Enable
19
14
PCU
FUMCLK
Fusing motor rotation speed
control (CLK) signal
control (CLK) signal
Fusing motor rotation speed
control (CLK) signal
control (CLK) signal
—
—
21
29
PCU
FUM-T
Fusing motor lock detection
signal
signal
Fusing motor lock detection
Rotation
Lock
21
31
PCU
FUPOD
Fusing section paper output
detection signal
detection signal
Fusing section paper output
detection
detection
—
—
1
2
PCU
Not
used
used
FW2
Sub power full wave signal
Sub power full wave signal
—
—
16
25
PCU
FWP
SCNCNT
Flash ROM write protect
Disable
Enable
CN5
36
DSPFcnt
PWB
FWP
DSPFcnt
Flash ROM write protect
Disable
Enable
CN7
36
SCNCNT
PWB
FWP_OPE
Flash ROM write protect
[Flash ROM]
[Flash ROM]
Flash ROM write Enable/
Disable control
Disable control
Disable
Enable
CN2
25
MFP
OPE
OPE
FWP_PCUSCU
Flash write enable signal
Flash writer enable signal of
PCU and SCU
PCU and SCU
Write
enable
Protect
11
10
PCU
FWP_WICU
WICU
Flash ROM write protect
Disable
Enable
CN5
10
SCNCNT
PWB
FWS
AC power full wave signal
Power monitor
—
—
11
14
PCU
Signal name
Name
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
Re
mark
L
H
MX-M1100 ELECTRICAL SECTION 11 – 11
Gun_D
Double feed detection PWB gain
up-down control signal
(Main unit)
up-down control signal
(Main unit)
Gain up-down control
—
—
19
32
PCU
Gun_D#
Double feed detection PWB gain
up-down control signal (DSPF)
up-down control signal (DSPF)
Gain up-down control
—
—
CN10
8
DSPFcnt
PWB
HLCNT1
Upper fusing roller center heater
lamp control signal
lamp control signal
Upper heat roller center section
heating control
heating control
OFF
ON
16
3
PCU
HLCNT2
Upper fusing roller both ends
heater lamp control signal
heater lamp control signal
Upper fusing roller end
sections heating control
sections heating control
OFF
ON
16
7
PCU
HLCNT3
External heat roller heater lamp
control signal
control signal
External heat roller heater lamp
control
control
OFF
ON
16
15
PCU
HLCNT4
Heater lamp control signal for
burst
burst
Heater lamp control for burst
OFF
ON
16
11
PCU
HLPRout
Fusing heater lamp power relay
control signal
control signal
Fusing heater lamp power relay
control
control
Relay OFF
Relay ON
16
21
PCU
HUS-CL
Process section area humidity
detection signal
detection signal
Process section area humidity
detection
detection
—
—
9
18
PCU
HUS-RA
Machine humidity detection
signal
signal
Machine humidity detection
—
—
7
28
PCU
HVREMout
High voltage ON/OFF control
signal (MC/DV/TC)
signal (MC/DV/TC)
High voltage ON/OFF control
(MC/DV/TC)
(MC/DV/TC)
OFF
ON
3
37
PCU
INFO_LED_G
Status display LED green
Displays the machine status.
OFF
ON
CN4
1
MFP
OPE
OPE
INFO_LED_R
Status display LED red
Displays the machine error
status.
status.
OFF
ON
CN5
1
MFP
OPE
OPE
INTPR2out
Interlock power relay 2 control
signal
signal
HL PWB relay control (38B line,
interlock relay 2)
interlock relay 2)
Relay OFF
Relay ON
16
14
PCU
INTPRout
Interlock power relay control
signal
signal
HL PWB relay control (38B line,
interlock relay)
interlock relay)
Relay OFF
Relay ON
16
8
PCU
INV_ON/OFF
CL inverter (front surface)
Copy lamp (front surface) ON/
OFF
OFF
ON
OFF
CN9
58
SCNCNT
PWB
INV_ON/OFF
CL inverter (front surface)
Copy lamp (front surface) ON/
OFF
OFF
ON
OFF
CN7
58
SCN-
Mother
PWB
JOBEND
Job end status signal
Interruption signal from the
LSU PWB
LSU PWB
—
Interruption
5
19
PCU
KEY1
Mini operation panel KEY input
signal 1
signal 1
Mini operation panel KEY input
1
1
—
—
23
9
PCU
KEY2
Mini operation panel KEY input
signal 2
signal 2
Mini operation panel KEY input
2
2
—
—
23
8
PCU
KEY3
Mini operation panel KEY input
signal 3
signal 3
Mini operation panel KEY input
3
3
—
—
23
7
PCU
KEY4
Mini operation panel KEY input
signal 4
signal 4
Mini operation panel KEY input
4
4
—
—
23
6
PCU
KEY5
Mini operation panel KEY input
signal 5
signal 5
Mini operation panel KEY input
5
5
—
—
23
5
PCU
KEY6
Mini operation panel KEY input
signal 6
signal 6
Mini operation panel KEY input
6
6
—
—
23
4
PCU
LCC_D
LCC connection detection
3-stage LCC connection
detection
detection
Connect
Not connect
12
3
PCU
LED1
Start LED
Start key ON/OFF control
OFF
ON
CN3
9
MFP
OPE
OPE
LPFD1
LCC paper pass detection signal Paper pass detection of LCC
Paper pass
—
20
26
PCU
LSU_RST
LSU ASIC and FPGA hard reset
signal
signal
Hard reset to LSU PWB
—
Reset
5
13
PCU
MCCMA
Charger cleaner motor control
signal (Phase A)
signal (Phase A)
Charger cleaner motor control
(Phase A)
(Phase A)
—
—
9
21
PCU
MCCMB
Charger cleaner motor control
signal (Phase B)
signal (Phase B)
Charger cleaner motor control
(Phase B)
(Phase B)
—
—
9
22
PCU
MCHPS1
Charger cleaner home position
detection signal
detection signal
Charger cleaner home position
detection
detection
No
Yes
9
23
PCU
MHP
MHP sensor (Photo interrupter)
Detection signal
HP
Other than
HP
CN4
2
SCNCNT
PWB
MHP_Vin
MHP sensor (Photo interrupter)
Sensor power source
—
—
CN4
3
SCNCNT
PWB
MHV-T
Main charger trouble detection
signal
signal
Main charger trouble detection
Trouble
MHV: No
Normal
3
19
PCU
MM_/A
Mirror motor
Drives the mirror.
—
—
CN6
1
SCN-
Mother
PWB
Driven
by 4-
phase
signal
by 4-
phase
signal
Signal name
Name
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
Re
mark
L
H
MX-M1100 ELECTRICAL SECTION 11 – 12
MM_/B
Mirror motor
Drives the mirror.
—
—
CN6
2
SCN-
Mother
PWB
Driven
by 4-
phase
signal
by 4-
phase
signal
MM_A
Mirror motor
Drives the mirror.
—
—
CN6
3
SCN-
Mother
PWB
Driven
by 4-
phase
signal
by 4-
phase
signal
MM_B
Mirror motor
Drives the mirror.
—
—
CN6
4
SCN-
Mother
PWB
Driven
by 4-
phase
signal
by 4-
phase
signal
MM_DIR
Mirror motor
Direction select signal
Feed
Return
CN9
13
SCNCNT
PWB
MM_DIR
Mirror motor
Direction select signal
Feed
Return
CN7
13
SCN-
Mother
PWB
MM_ENABLE
Mirror motor
Drive enable
Enable
Disable
CN9
12
SCNCNT
PWB
MM_ENABLE
Mirror motor
Drive enable
Enable
Disable
CN7
12
SCN-
Mother
PWB
MM_MS1
Mirror motor
Execution select signal
2 phase
1-2 phase
CN9
14
SCNCNT
PWB
MM_MS1
Mirror motor
Execution select signal
2 phase
1-2 phase
CN7
14
SCN-
Mother
PWB
MM_REF_D0
Mirror motor
Current setting select
—
—
CN9
11
SCNCNT
PWB
MM_REF_D0
Mirror motor
Current setting select
—
—
CN7
11
SCN-
Mother
PWB
MM_REF_D1
Mirror motor
Current setting select
—
—
CN9
71
SCNCNT
PWB
MM_REF_D1
Mirror motor
Current setting select
—
—
CN7
71
SCN-
Mother
PWB
MM_RESET
Mirror motor
Driver reset signal
Reset
—
CN9
72
SCNCNT
PWB
MM_RESET
Mirror motor
Driver reset signal
Reset
—
CN7
72
SCN-
Mother
PWB
MM_STEP
Mirror motor
Drive CLK
—
—
CN9
73
SCNCNT
PWB
MM_STEP
Mirror motor
Drive CLK
—
—
CN7
73
SCN-
Mother
PWB
MM2CLK
Main 2 motor rotation speed
control (CLK) signal
control (CLK) signal
Main 2 motor rotation speed
control
control
—
—
21
30
PCU
MM2-T
Main 2 motor lock detection
signal
signal
Main 2 motor lock detection
Rotation
Lock
21
32
PCU
MMCLK
Main motor rotation speed
control (CLK) signal
control (CLK) signal
Main motor rotation speed
control (CLK) signal
control (CLK) signal
—
—
21
20
PCU
MM-T
Main motor lock detection signal
Main motor lock detection
Rotation
Lock
21
22
PCU
MPED
Manual feed paper empty
detection signal
detection signal
Manual feed paper empty
detection
detection
Paper
empty
empty
Paper
present
20
19
PCU
MPFD1
Manual feed paper pass
detection signal 1
detection signal 1
Manual feed paper pass
detection 1
detection 1
Paper pass
—
20
12
PCU
MPFPWS
Manual feed paper width
detection signal
detection signal
Manual feed paper width
detection
detection
—
—
20
11
PCU
MPLD1
Manual feed paper length 1
detection signal
detection signal
Manual feed paper length 1
detection
detection
—
Paper
present
20
23
PCU
MTOP1
Manual feed tray pull-out
position 1 detection signal
position 1 detection signal
Manual feed tray pull-out
position 1 detection (Storing
position)
position 1 detection (Storing
position)
Storing
—
20
20
PCU
MTOP2
Manual feed tray pull-out
position 2 detection signal
position 2 detection signal
Manual feed tray pull-out
position 2 detection (Pulling
position)
position 2 detection (Pulling
position)
Pull-out
—
20
24
PCU
n_GCS
Double feed detection PWB gain
chip select signal (Main unit)
chip select signal (Main unit)
Gain chip select
Enable
—
19
29
PCU
n_GCS#
Double feed detection PWB gain
chip select signal (DSPF)
chip select signal (DSPF)
Gain chip select
Enable
—
CN10
9
DSPFcnt
PWB
n_GINC
Double feed detection PWB gain
increment control signal
(Main unit)
increment control signal
(Main unit)
Gain increment control
—
—
19
31
PCU
Signal name
Name
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
Re
mark
L
H
Click on the first or last page to see other MX-M850 (serv.man41) service manuals if exist.