
MX-M264U ELECTRICAL SECTION 13 – 21
D+
USB Device differential data
+
USB Device differential data
+
–
–
CN17
3
MFPC
PWB
D+
USB Host (Rear) differential
data +
USB Host (Rear) differential
data +
–
–
CN18
3
MFPC
PWB
D1+
USB Host1 differential data
+
USB Host1 differential data
+
–
–
CN43
3
MFPC
PWB
D1–
USB Host1 differential data –
USB Host1 differential data –
–
–
CN43
2
MFPC
PWB
D3+
USB Host3 differential data
+
USB Host3 differential data
+
–
–
CN43
8
MFPC
PWB
D3–
USB Host3 differential data –
USB Host3 differential data –
–
–
CN43
7
MFPC
PWB
D4+
USB Host4 differential data
+
USB Host4 differential data
+
–
–
CN43
13
MFPC
PWB
D4–
USB Host4 differential data –
USB Host4 differential data –
–
–
CN43
12
MFPC
PWB
DHVREM/
DHV remote output
Separation bias ON signal
–
High voltage
output ON
CN13
8
PCU
DSR
RIC, PCI (main) Data Set
Ready
RIC, PCI (main) Data Set
Ready
Negative
Active
CN12
6
MFPC
PWB
/DSR_FIN
Finisher communication
Finisher communication
signal
–
–
CN7
7
PCU
DSR_PCI
PCI (sub) Data Set Ready
PCI (sub) Data Set Ready
Active
Negative
CN5
2
MFPC
PWB
DSW-R(INT24)
Interlock 24V detection
Interlock 24V detection
Front door/
Side door
open
Front door/
Side door
close
CN22
3
PCU
DSW_POC
Paper exit cover open/close
detection
Cover open/close detection
Paper exit
cover Open
Paper exit
cover Close
CN3
10
PCU
DTR
RIC, PCI (main) Data
Terminal Ready
RIC, PCI (main) Data
Terminal Ready
Negative
Active
CN12
4
MFPC
PWB
/DTR_FIN
Finisher communication
Finisher communication
signal
–
–
CN7
5
PCU
DTR_PCI
PCI (sub) Data Terminal
Ready
PCI (sub) Data Terminal
Ready
Active
Negative
CN5
7
MFPC
PWB
DVBSPWM/
DV bias PWM
Developing bias PWM signal
–
–
CN13
12
PCU
DVBSREM/
DVBS remote output
Developing bias ON signal
–
High voltage
output ON
CN13
20
PCU
DVSET
Developer empty detection
Developing unit installation
detection
DV unit
detection
DV unit not
installed
CN18
4
PCU
D–
USB Device differential data
–
USB Device differential data
–
–
–
CN17
2
MFPC
PWB
D–
USB Host (Rear) differential
data –
USB Host (Rear) differential
data –
–
–
CN18
2
MFPC
PWB
FAXCS_RXD_N
Option FAXdata differential
input +
Option FAXdata differential
input +
–
–
CN29
17
MFPC
PWB
FAXCS_RXD_P
Option FAXdata differential
input –
Option FAXdata differential
input –
–
–
CN29
16
MFPC
PWB
FAXCS_TXD_N
Option FAX data differential
Option FAX data differential
–
–
CN29
11
MFPC
PWB
FAXCS_TXD_P
Option FAX data differential
output –
Option FAX data differential
output –
–
–
CN29
10
MFPC
PWB
FAXD_RXD_N
Option FAX data differential
input –
Option FAX data differential
input –
–
–
CN29
13
MFPC
PWB
FAXD_RXD_P
Option FAX data differential
input +
Option FAX data differential
input +
–
–
CN29
14
MFPC
PWB
FAXD_TXD_N
Option FAX data differential
output –
Option FAX data differential
output –
–
–
CN29
6
MFPC
PWB
FAXD_TXD_P
Option FAX data differential
Option FAX data differential
–
–
CN29
7
MFPC
PWB
FUFM_LD1
Fusing FAN1_LD signal
FAN lock detection signal
Normal
rotation state
–
CN28
14
PCU
FUFM_LD2
Fusing FAN2_LD signal
FAN lock detection signal
Normal
rotation state
–
CN28
16
PCU
FUFM_V
Fusing FAN_ON (24V drive)
FAN ON signal
–
FAN motor
ON
CN28
10
PCU
FUFM_V
Fusing FAN_ON (24V drive)
FAN ON signal
–
FAN motor
ON
CN28
12
PCU
FW
FW signal
Power frequency monitor
signal
–
–
CN13
11
PCU
GBPWM/
Grid bias PWM
Grid bias PWM signal
–
–
CN13
18
PCU
HL_PR
Fusing relay control
Fusing relay ON signal
Fusing relay
OFF
Fusing relay
ON
CN13
19
PCU
Signal name
Name [Type]
Function/Operation
Connector level
Connector
No.
Pin
No.
PWB
name
NOTE
"L"
"H"