Sharp MX-M850 (serv.man41) Service Manual ▷ View online
MX-M1100 ELECTRICAL SECTION 11 – 13
n_GINC#
Double feed detection PWB gain
increment control signal (DSPF)
increment control signal (DSPF)
Gain increment control
—
—
CN10
7
DSPFcnt
PWB
nCTS_WICU
WICU
Pass signal
—
—
CN5
7
SCNCNT
PWB
nDSPFUP
SCNCNT
DSPF ready signal
Ready
—
CN5
37
DSPFcnt
PWB
nDSPFUP
DSPFcnt
DSPF ready signal
Ready
—
CN7
37
SCNCNT
PWB
nLCD_EN
LCD I/F enable
LCD display/non-display
control
control
Display
Not display
CN2
22
MFP
OPE
OPE
nLCD_PWR_EN
LCD power enable
LCD backlight ON/OFF control
ON
OFF
CN2
23
MFP
OPE
OPE
nPCU_
REQACKIN
REQACKIN
PCU
→ MFPC interruption signal Interrupt request to MFPC
—
—
11
16
PCU
Not
used
used
nPOF
SCNCNT
Power OFF signal
Power OFF
Power ON
CN5
34
DSPFcnt
PWB
nPOF
DSPFcnt
Power OFF signal
—
—
CN7
34
SCNCNT
PWB
nPOF_WICU
WICU
Power OFF signal
—
—
CN5
11
SCNCNT
PWB
nPWR_SW
Operation panel power switch
[Tact switch]
[Tact switch]
DC power ON/OFF control
signal output
signal output
—
—
CN2
29
MFP
OPE
OPE
nSCNUP
SCNCNT
SCAN ready signal
Ready
—
CN5
35
DSPFcnt
PWB
nSCNUP
DSPFcnt
SCAN ready signal
Ready
—
CN7
35
SCNCNT
PWB
nWU_KEY
Power saving switch [Tact
switch]
switch]
Power saving ON/OFF control
signal output
signal output
—
—
CN2
30
MFP
OPE
OPE
nWU_LED
Power saving LED
Power saving key ON/OFF
control
control
OFF
ON
CN2
28
MFP
OPE
OPE
OC-Vcc
Open/close detection sensor
(Photo interrupter)
(Photo interrupter)
Sensor power source
—
—
CN3
1
SCNCNT
PWB
ON/OFF
CL inverter (Front surface)
Copy lamp (front surface) ON/
OFF
OFF
—
—
CN2
3
SCN-
Mother
PWB
OP_D0
Mini operation panel LCD data
signal 0
signal 0
Mini operation panel LCD data
0
0
—
—
23
21
PCU
OP_D1
Mini operation panel LCD data
signal 1
signal 1
Mini operation panel LCD data
1
1
—
—
23
20
PCU
OP_D2
Mini operation panel LCD data
signal 2
signal 2
Mini operation panel LCD data
2
2
—
—
23
19
PCU
OP_D3
Mini operation panel LCD data
signal 3
signal 3
Mini operation panel LCD data
3
3
—
—
23
18
PCU
OP_D4
Mini operation panel LCD data
signal 4
signal 4
Mini operation panel LCD data
4
4
—
—
23
17
PCU
OP_D5
Mini operation panel LCD data
signal 5
signal 5
Mini operation panel LCD data
5
5
—
—
23
16
PCU
OP_D6
Mini operation panel LCD data
signal 6
signal 6
Mini operation panel LCD data
6
6
—
—
23
15
PCU
OP_D7
Mini operation panel LCD data
signal 7
signal 7
Mini operation panel LCD data
7
7
—
—
23
14
PCU
PAGE_CIS
CIS sub scan image area signal
Sub scan image area
Image area
—
19
10
PCU
PCS
Image density sensor signal
Toner patch density detection
on the OPC drum
on the OPC drum
—
—
9
7
PCU
PCU_CTS
Serial communication control
signal
signal
Serial I/F control signal
—
—
11
6
PCU
PCU_CTS_MON
Serial communication control
signal monitor
signal monitor
Serial I/F control signal
—
—
22
6
PCU
PCU_
REQACKOUT
REQACKOUT
MFPC
→ PCU interruption signal Interrupt request from MFPC
—
—
11
18
PCU
Not
used
used
PCU_RES
PCU reset signal
The controller resets the PCU.
Operation
enable
Reset
11
8
PCU
PCU_RES_
MON
MON
PCU reset signal monitor
The controller resets the PCU.
—
—
22
2
PCU
PCU_RTS
Serial communication control
signal
signal
Serial I/F control signal
—
—
11
4
PCU
PCU_RTS_MON
Serial communication control
signal monitor
signal monitor
Serial I/F control signal
—
—
22
3
PCU
PCU_RXD_
MON
MON
Serial communication send data
signal monitor
signal monitor
Send data to the controller
—
—
22
4
PCU
PCU_RXD_N
Serial communication send data
signal
signal
Send data to the controller
—
—
11
13
PCU
PCU_RXD_P
Serial communication send data
signal
signal
Send data to the controller
—
—
11
11
PCU
Signal name
Name
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
Re
mark
L
H
MX-M1100 ELECTRICAL SECTION 11 – 14
PCU_STATE1
MFPC
→ PCU status signal
Status from MFPC
—
—
11
20
PCU
Not
used
used
PCU_STATE2
PCU
→ MFPC status signal
Status to MFPC
—
—
11
22
PCU
Not
used
used
PCU_TXD_MON
Serial communication receive
data signal monitor
data signal monitor
Receive data from the
controller
controller
—
—
22
5
PCU
PCU_TXD_N
Serial communication receive
data signal
data signal
Receive data from the
controller
controller
—
—
11
7
PCU
PCU_TXD_P
Serial communication receive
data signal
data signal
Receive data from the
controller
controller
—
—
11
5
PCU
PD_VCC_SW
Document size sensor (1) (2) (4)
Sensor power control
ON
OFF
CN9
60
SCNCNT
PWB
PD_VCC_SW
Document size sensor (1) (2) (4)
Sensor power control
ON
OFF
CN7
60
SCN-
Mother
PWB
PHPS
Procon home position detection
signal
signal
Procon home position detection
—
—
9
26
PCU
Not
used
used
POD
Paper exit detection signal
Paper exit detection
Paper pass
—
6
5
PCU
POF
Power OFF status signal
Power OFF status
Power OFF
Power ON
11
12
PCU
POFD
Paper exit tray paper full
detection signal
detection signal
Paper exit tray paper full
detection
detection
—
—
6
35
PCU
Not
used
used
POIND
Paper exit section paper entry
detection signal
detection signal
Paper exit section paper entry
detection
detection
Paper pass
—
6
32
PCU
POW_LED_G
Power LED green
Displays the DC power ON
status.
status.
OFF
ON
CN2
27
POW_LED_R
Power LED orange
Displays the DC power OFF
status.
status.
OFF
ON
CN2
26
MFP
OPE
OPE
PPD1
Resist roller front paper pass
detection 1 signal
detection 1 signal
Paper pass detection in the
vertical transport roller 3 rear
vertical transport roller 3 rear
Paper pass
—
13
17
PCU
PPD2
Resist roller front paper pass
detection 2 signal
detection 2 signal
Paper pass detection in front of
the resist front roller
the resist front roller
Pass
—
19
27
PCU
PPD3
Resist roller front paper pass
detection 3 signal
detection 3 signal
Paper pass detection at the
back of the resist front roller
back of the resist front roller
Pass
—
19
25
PCU
PPD4
Resist roller front paper pass
detection 4 signal
detection 4 signal
Paper pass detection in front of
the resist roller
the resist roller
Pass
—
19
23
PCU
PRTH
Lower heat roller temperature
detection signal
detection signal
Lower heat roller temperature
detection (Center section)
detection (Center section)
—
—
1
14
PCU
RES
SCNCNT
DSPF reset
Normal
Reset
CN5
38
DSPFcnt
PWB
RES
DSPFcnt
DSPF reset
Normal
Reset
CN7
38
SCNCNT
PWB
RES_CIS
PED CIS PWB ASIC hard reset
signal
signal
Hard reset signal
—
Reset
19
17
PCU
RES_FIN
Finisher reset signal
Finisher reset
—
—
13
31
PCU
RES_LCC
LCC reset signal
The machine resets the large
capacity LCC.
capacity LCC.
Operation
Enable
Reset
12
13
PCU
RES_OPE
Reset signal
Operation panel Reset/Reset
Cancel control
Cancel control
Cancel
Reset
CN2
24
MFP
OPE
OPE
RSV_DAT
Serial communication receive
data signal
data signal
Receive data from the LSU
PWB
PWB
—
—
5
15
PCU
RTH1
Heat roller temperature detection
signal
signal
Heat roller temperature
detection (Center section)
detection (Center section)
—
—
4
11
PCU
RTH1_com
Heat roller temperature detection
signal (non-contact,
compensation side)
signal (non-contact,
compensation side)
Heat roller temperature
detection [Center section]
(non-contact, compensation
side)
detection [Center section]
(non-contact, compensation
side)
—
—
4
17
PCU
RTH1_d
Heat roller temperature detection
signal (non-contact, detection
side)
signal (non-contact, detection
side)
Heat roller temperature
detection [Center section]
(non-contact, detection side)
detection [Center section]
(non-contact, detection side)
—
—
4
15
PCU
RTH2
Pressure roller temperature
detection signal
detection signal
Pressure roller temperature
detection (both ends)
detection (both ends)
—
—
4
7
PCU
RXD_CIS
Serial communication receive
data signal
data signal
Receive data to the PED CIS
PWB
PWB
—
—
19
15
PCU
RXD_DBG
Serial communication send data
signal for debug
signal for debug
Serial communication send
data for debug
data for debug
—
—
24
4
PCU
RXD_FIN
Serial I/F data (Finisher)
Serial I/F data (Finisher - PCU
PWB)
PWB)
—
—
13
29
PCU
RXD_LCC
Serial communication receive
data signal [LCC]
data signal [LCC]
Serial receive data (LCC
→
PCU)
—
—
12
7
PCU
SCAN
Key matrix signal
Detects the key in the matrix
which was pressed with the
input signal and the output
signal.
which was pressed with the
input signal and the output
signal.
—
—
CN3
7, 8,
10,
12
MFP
OPE
OPE
Signal name
Name
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
Re
mark
L
H
MX-M1100 ELECTRICAL SECTION 11 – 15
SCK_LSU
Serial communication clock
signal
signal
Communication clock signal
with the LSU PWB
with the LSU PWB
—
—
5
9
PCU
SCOV_IN
SCOV (Photo interrupter)
DSPF upper door open/close
detection
detection
Open
Close
CN7
24
DSPFcnt
PWB
SENSE
Key matrix signal
Detects the key in the matrix
which was pressed with the
input signal and the output
signal.
which was pressed with the
input signal and the output
signal.
—
—
CN3
14,
16,
18,
20,
16,
18,
20,
22
MFP
OPE
OPE
SLCOV_IN
SLCOV (Lever SW)
DSPF lower door open/close
detection
detection
Open
Close
CN7
8
DSPFcnt
PWB
SLUM_/A
SLUM (Stepping motor)
Lift-up motor drive signal
—
—
CN10
19
DSPF-
Driver
PWB
SLUM_/B
SLUM (Stepping motor)
Lift-up motor drive signal
—
—
CN10
23
DSPF-
Driver
PWB
SLUM_A
SLUM (Stepping motor)
Lift-up motor drive signal
—
—
CN10
17
DSPF-
Driver
PWB
SLUM_A#
SLUM (Stepping motor)
Lift-up motor drive signal
—
—
CN1
8
DSPFcnt
PWB
SLUM_A#
SLUM (Stepping motor)
Lift-up motor drive signal
—
—
CN1
8
DSPF-
Driver
PWB
SLUM_B
SLUM (Stepping motor)
Lift-up motor drive signal
—
—
CN10
21
DSPF-
Driver
PWB
SLUM_B#
SLUM (Stepping motor)
Lift-up motor drive signal
—
—
CN1
9
DSPFcnt
PWB
SLUM_B#
SLUM (Stepping motor)
Lift-up motor drive signal
—
—
CN1
9
DSPF-
Driver
PWB
SLUM_XA#
SLUM (Stepping motor)
Lift-up motor drive signal
—
—
CN1
10
DSPFcnt
PWB
SLUM_XA#
SLUM (Stepping motor)
Lift-up motor drive signal
—
—
CN1
10
DSPF-
Driver
PWB
SLUM_XB#
SLUM (Stepping motor)
Lift-up motor drive signal
—
—
CN1
11
DSPFcnt
PWB
SLUM_XB#
SLUM (Stepping motor)
Lift-up motor drive signal
—
—
CN1
11
DSPF-
Driver
PWB
SOCD_IN
SOCD (Photo interrupter)
DSPF open/close detection
Close
Open
CN7
9
DSPFcnt
PWB
SPED
SPED (Photo interrupter)
DSPF document set/empty
detection
detection
Document
present
Document
empty
CN5
17
DSPF-
Driver
PWB
SPED_IN
SPED (Photo interrupter)
DSPF document set/empty
detection
detection
Document
present
Document
empty
CN1
16
DSPFcnt
PWB
SPED_IN
SPED (Photo interrupter)
DSPF document set/empty
detection
detection
Document
present
Document
empty
CN1
16
DSPF-
Driver
PWB
SPFFAN1#
SPF fan motor
SPF fan motor drive signal
Rotation
Stop
CN1
12
DSPFcnt
PWB
SPFFAN1#
SPF fan motor
SPF fan motor drive signal
Rotation
Stop
CN1
12
DSPF-
Driver
PWB
SPFFAN1_
LOCK
LOCK
SPF fan motor
Lock detection signal
Normal
Lock
detection
CN9
13
DSPF-
Driver
PWB
SPFFAN1_
LOCK_IN
LOCK_IN
SPF fan motor
Lock detection signal
Normal
Lock
detection
CN1
13
DSPFcnt
PWB
SPFFAN1_
LOCK_IN
LOCK_IN
SPF fan motor
Lock detection signal
Normal
Lock
detection
CN1
13
DSPF-
Driver
PWB
SPFFAN1_
POWER
POWER
SPF fan motor
SPF fan motor power source
Stop
Rotation(24
V)
CN9
11
DSPF-
Driver
PWB
SPFM_/A
SPFM (Stepping motor)
Transport motor drive signal
—
—
CN9
18
DSPF-
Driver
PWB
SPFM_/B
SPFM (Stepping motor)
Transport motor drive signal
—
—
CN9
19
DSPF-
Driver
PWB
Signal name
Name
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
Re
mark
L
H
MX-M1100 ELECTRICAL SECTION 11 – 16
SPFM_A
SPFM (Stepping motor)
Transport motor drive signal
—
—
CN9
20
DSPF-
Driver
PWB
SPFM_B
SPFM (Stepping motor)
Transport motor drive signal
—
—
CN9
17
DSPF-
Driver
PWB
SPFM_C0
SPFM (Stepping motor)
Transport motor current select
—
—
CN4
27
DSPFcnt
PWB
SPFM_C0
SPFM (Stepping motor)
Transport motor current select
—
—
CN7
27
DSPF-
Driver
PWB
SPFM_C1
SPFM (Stepping motor)
Transport motor current select
—
—
CN4
26
DSPFcnt
PWB
SPFM_C1
SPFM (Stepping motor)
Transport motor current select
—
—
CN7
26
DSPF-
Driver
PWB
SPFM_MODE#
SPFM (Stepping motor)
Transport motor current select
2 phase
1-2 phase
CN4
28
DSPFcnt
PWB
SPFM_MODE#
SPFM (Stepping motor)
Transport motor current select
2 phase
1-2 phase
CN7
28
DSPF-
Driver
PWB
SPFM_STEP#
SPFM (Stepping motor)
Transport motor drive CLK
—
—
CN4
29
DSPFcnt
PWB
SPFM_STEP#
SPFM (Stepping motor)
Transport motor drive CLK
—
—
CN7
29
DSPF-
Driver
PWB
SPLS1
SPLS1 (Photo interrupter)
DSPF document length
detection
detection
Document
empty
Document
present
CN5
1
DSPF-
Driver
PWB
SPLS1_IN
SPLS1 (Photo interrupter)
DSPF document length
detection
detection
Document
empty
Document
present
CN1
23
DSPFcnt
PWB
SPLS1_IN
SPLS1 (Photo interrupter)
DSPF document length
detection
detection
Document
empty
Document
present
CN1
23
DSPF-
Driver
PWB
SPLS3
SPLS3 (Photo interrupter)
DSPF document length
detection
detection
Document
empty
Document
present
CN5
7
DSPF-
Driver
PWB
SPLS3_IN
SPLS3 (Photo interrupter)
DSPF document length
detection
detection
Document
empty
Document
present
CN1
21
DSPFcnt
PWB
SPLS3_IN
SPLS3 (Photo interrupter)
DSPF document length
detection
detection
Document
empty
Document
present
CN1
21
DSPF-
Driver
PWB
SPOD
SPOD (Photo interrupter)
DSPF paper exit pass
detection
detection
Document
present
Document
empty
CN3
5
DSPF-
Driver
PWB
SPOD_IN
SPOD (Photo interrupter)
DSPF paper exit pass
detection
detection
Document
present
Document
empty
CN1
29
DSPFcnt
PWB
SPOD_IN
SPOD (Photo interrupter)
DSPF paper exit pass
detection
detection
Document
present
Document
empty
CN1
29
DSPF-
Driver
PWB
SPOM_/A
SPOM (Stepping motor)
Paper exit motor drive signal
—
—
CN10
14
DSPF-
Driver
PWB
SPOM_/B
SPOM (Stepping motor)
Paper exit motor drive signal
—
—
CN10
22
DSPF-
Driver
PWB
SPOM_A
SPOM (Stepping motor)
Paper exit motor drive signal
—
—
CN10
16
DSPF-
Driver
PWB
SPOM_B
SPOM (Stepping motor)
Paper exit motor drive signal
—
—
CN10
24
DSPF-
Driver
PWB
SPOM_C0
SPOM (Stepping motor)
Paper exit motor current select
—
—
CN1
6
DSPFcnt
PWB
SPOM_C0
SPOM (Stepping motor)
Paper exit motor current select
—
—
CN1
6
DSPF-
Driver
PWB
SPOM_C1
SPOM (Stepping motor)
Paper exit motor current select
—
—
CN1
7
DSPFcnt
PWB
SPOM_C1
SPOM (Stepping motor)
Paper exit motor current select
—
—
CN1
7
DSPF-
Driver
PWB
SPOM_STEP#
SPOM (Stepping motor)
Paper exit motor drive CLK
—
—
CN1
5
DSPFcnt
PWB
Signal name
Name
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
Re
mark
L
H
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