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