Read Sharp MX-M950 / MX-MM1100 (serv.man42) Service Manual online
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
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