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MX-M264U ELECTRICAL SECTION 13 – 20
4. Signal list
Signal name
Name [Type]
Function/Operation
Connector level
Connector
No.
Pin
No.
PWB
name
NOTE
"L"
"H"
+5VHD
HDD power source
HDD power source
Power shutoff
Power supply
CN50
2
MFPC
PWB
5VO_DUTY
5VO power signal
5VO power signal
5VO power
supply OFF
–
CN6
2
PCU
ADUMA
ADU motor
Motor drive signal
Motor ON
(phase
excitation ON)
Motor OFF
CN24
2
PCU
ADUMB
ADU motor
Motor drive signal
Motor ON
(phase
excitation ON)
Motor OFF
CN24
3
PCU
ADUMXA
ADU motor
Motor drive signal
Motor ON
(phase
excitation ON)
Motor OFF
CN24
4
PCU
ADUMXB
ADU motor
Motor drive signal
Motor ON
(phase
excitation ON)
Motor OFF
CN24
5
PCU
/APPD1
DUP2 sensor
Paper transport detection
–
Paper
provided
CN21
19
PCU
BD_HSYNC
HSYNC signal of BD
HSYNC signal of BD
–
–
CN10
3
PCU
C1LUD
Paper upper limit
detection_1CS
Paper upper limit detection
–
Upper limit
detection
CN18
15
PCU
/C1LUM
Lift motor 1CS
Motor drive signal
–
Motor rotation
CN21
9
PCU
C1PED
Paper empty detection_1CS
Paper empty detection
Paper empty
Paper
provided
CN18
11
PCU
C1PFD
Paper entry detection_1CS
Paper transport detection
Paper
provided
–
CN18
7
PCU
/C1PUC
1CS clutch
Clutch drive signal
Clutch ON
–
CN19
11
PCU
/C1PUS
Paper feed solenoid 1CS
Solenoid drive signal
Solenoid ON
–
CN18
3
PCU
/C1SS
1CS sensor
Paper transport detection
1CS not
provided
1CS provided
CN21
11
PCU
C2LUM
Lift motor 2CS
Motor drive signal
–
Motor rotation
CN14
6
PCU
C2PUC
Paper feed clutch 2CS
Clutch drive signal
Clutch OFF
Clutch ON
CN14
8
PCU
C2PUS
Paper feed solenoid 2CS
Solenoid drive signal
Solenoid OFF
Solenoid ON
CN14
5
PCU
C3LUM
Lift motor 3CS (OP)
Motor drive signal
–
Motor rotation
CN14
13
PCU
C3PUC
Paper feed clutch 3CS (OP)
Clutch drive signal
Clutch OFF
Clutch ON
CN14
20
PCU
C3PUS
Paper feed solenoid 3CS
(OP)
Solenoid drive signal
Solenoid OFF
Solenoid ON
CN14
18
PCU
C4LUM
Lift motor 4CS (OP)
Motor drive signal
–
Motor rotation
CN14
10
PCU
C4PUC
Paper feed clutch 4CS (OP)
Clutch drive signal
Clutch OFF
Clutch ON
CN14
11
PCU
C4PUS
Paper feed solenoid 4CS
(OP)
Solenoid drive signal
Solenoid OFF
Solenoid ON
CN14
9
PCU
CASSELA
OP_DESK selector signal A
OP_DESK selector signal A
–
–
CN14
15
PCU
CASSELB
OP_DESK selector signal B
OP_DESK selector signal B
–
–
CN14
17
PCU
CASSELC
OP_DESK selector signal C
OP_DESK selector signal C
–
–
CN14
19
PCU
CCFT
LCD backlight [CCFT cool
cathode ray tube]
LCD backlight
ON
OFF
CN4
21
SCNcnt
CL_ON
Scanner lamp
Radiates lights to the
document for the CCD to
scan the document images.
ON OFF
CN8
3
SCNcnt
CPFM_A
Desk motor
Motor drive signal
Motor OFF
Motor ON
(phase
excitation ON)
CN14
21
PCU
CPFM_B
Desk motor
Motor drive signal
Motor OFF
Motor ON
(phase
excitation ON)
CN14
22
PCU
CPFM_XA
Desk motor
Motor drive signal
Motor OFF
Motor ON
(phase
excitation ON)
CN14
23
PCU
CPFM_XB
Desk motor
Motor drive signal
Motor OFF
Motor ON
(phase
excitation ON)
CN14
24
PCU
CRM_CLK
CRUM_CLK
CRUM communication
signal
–
–
CN18
14
PCU
CRM_DT
CRUM input/output
CRUM communication
signal
–
–
CN18
16
PCU
CTS
RIC, PCI (main) send enable
input
RIC, PCI (main) send enable
input
Negative
Active
CN12
8
MFPC
PWB
CTS_PCI
PCI (sub) send enable input
PCI (sub) send enable input
Active
Negative
CN5
4
MFPC
PWB
CTS_PCU
ICU communication
ICU-PCU communication
signal
–
–
CN10
22
PCU