MX-M264U ELECTRICAL SECTION 13 – 25
SATA_TXP HDD differential data output
+
HDD differential data output
+
– – CN22 2 MFPC
PWB
SHPOS Shifter HP sensor Shifter HP detection HP detection – CN28 5 PCU
SOCD SPF open/close detection SPF open/close detection Close – CN14 28 SCNcnt
SPED Document sensor Document detection Detection – CN14 27 SCNcnt
SPFM* SFP transport motor SPF transport motor drive – – CN14 3, 4, 5,
6, 7
SCNcnt
SPM* SPF paper feed motor SPF paper feed motor drive – – CN14 8, 9,
10, 11,
12
SCNcnt
SPPD1 SPF transport sensor 1 Detects paper pass. Detection – CN14 1 SCNcnt
SPPD2 SPF transport sensor 2 Detects paper pass. Detection – CN14 2 SCNcnt
SPPD3 SPF transport sensor 3 Detects paper pass. Detection – CN14 24 SCNcnt
SPPD4 SPF transport sensor 4 Detects paper pass. Detection – CN14 22 SCNcnt
SPRS Pressure release solenoid Controls the pressure
release solenoid.
OFF ON CN14 13 SCNcnt
SPWS Document width sensor Detects document width. – – CN14 17 SCNcnt
SRRC PS clutch Controls the PS clutch. OFF ON CN14 15 SCNcnt
STMPS Stamp solenoid Controls the stamp solenoid. – Stamp CN14 14 SCNcnt
TC_DA Transfer output adjustment
analog output
Transfer output adjustment
analog output signal
– – CN13 6 PCU Analog
TCS Toner sensor density
detection
Toner sensor density
detection
– – CN18 6 PCU Analog
TFD1 Paper exit tray paper sensor Paper detection signal – Paper
provided
CN12 9 PCU
TFD2 Second paper exit full Paper full detection – Full detection CN3 5 PCU
TFD3 Right paper exit full sensor Paper full detection Full detection – CN1 5 PCU
TH_RA Temperature analog sensor
signal input
Temperature detection
signal
– – CN19 9 PCU Analog
TH_UM Fusing thermistor
temperature detection
(upper main)
Fusing thermistor signal – – CN21 4 PCU Analog
TH_US Fusing thermistor
temperature detection
(upper sub)
Fusing thermistor signal – – CN21 6 PCU Analog
THV-REM/ THV(–) remote output Transfer bias (–) ON signal – High voltage
output ON
CN13 10 PCU
THVREM/ THV(+) remote output Transfer bias (+) ON signal – High voltage
output ON
CN13 16 PCU
TNMA Toner motor A Motor drive signal – – CN15 1 PCU
TNMB Toner motor B Motor drive signal – – CN15 2 PCU
/TRC_FIN Finisher communication Finisher communication
signal
– – CN7 11 PCU
TXD RIC, PCI (main) send data RIC, PCI (main) send data – – CN12 3 MFPC
PWB
TxD_FIN Finisher communication Finisher communication
signal
– – CN7 1 PCU
TXD_PCI PCI (sub) send data PCI (sub) send data – – CN5 6 MFPC
PWB
TXD_PCU ICU communication ICU-PCU communication
signal
– – CN10 25 PCU
TXD_PIC ICU-PIC communication ICU-PIC communication
signal
– – CN10 15 PCU
VBUS USB Device VBUS USB Device power supply Power shutoff Power supply CN17 1 MFPC
PWB
VBUS USB Host (Rear) VBUS USB Host (Rear) power
supply
Power shutoff Power supply CN18 1 MFPC
PWB
VBUS1 USB Host1 VBUS USB Host1 power supply Power shutoff Power supply CN43 1 MFPC
PWB
VBUS3 USB Host3 VBUS USB Host3 power supply Power shutoff Power supply CN43 6 MFPC
PWB
VBUS4 USB Host4 VBUS USB Host4 power supply Power shutoff Power supply CN43 11 MFPC
PWB
/WH_CNT Dehumidifying heater OFF
signal
Dehumidifying heater OFF
signal
Dehumidifying
relay OFF
Dehumidifying
relay ON
CN13 5 PCU
Y1A 151 selector output
signal_2CS
151 selector output
signal_2CS
– – CN14 25 PCU
Y1B 151 selector output
signal_3CS (Op)
151 selector output
signal_3CS (Op)
– – CN14 12 PCU
Y2 151 selector output
signal_4CS (Op)
151 selector output
signal_4CS (Op)
– – CN14 14 PCU
Signal name Name [Type] Function/Operation
Connector level
Connector
No.
Pin
No.
PWB
name
NOTE
"L" "H"