Sharp MX-M264U Service Manual page 249

Signal name Name [Type]
HL_UM_out Fusing HL1_ON signal
HL_US_out Fusing HL2_ON signal
HUD_RA Humidity analog sensor
signal input
LAN_CNT –
LD_DA LD strength adjustment
analog output
MDI_0+ LAN send/receive data 0 +
MDI_0– LAN send/receive data 0 –
MDI_1+ LAN send/receive data 1 +
MDI_1– LAN send/receive data 1 –
MDI_2+ LAN send/receive data 2 +
MDI_2– LAN send/receive data 2 –
MDI_3+ LAN send/receive data 3 +
MDI_3– LAN send/receive data 3 –
MHPS Scanner home position
sensor [Transmission type]
MHVREM/ MHV remote output
MIM_* Scanner motor [Stepping
motor]
/MM_CLK Main motor CLK (frequency
dividing output)
/MM_D Main motor ON signal
MM_LD Main M_LD signal
/MPED Manual feed empty sensor
/MPFS Manual feed solenoid
/MPLD1 Manual feed length sensor 1
/MPLD2 Manual feed length sensor 2
MPU_INTRO_N ICU (for LSU)
communication
MPU_PRINTS_N ICU (for LSU)
communication
MPU_SIF_CLK ICU (for LSU)
communication
MPU_SIF_RST ICU (for LSU)
communication
MPU_SIF_RXD ICU (for LSU)
communication
MPU_SIF_TXD ICU (for LSU)
communication
MPWD Manual feed paper width
detection
/MTOP1 Manual feed tray sensor 1
(reduction detection)
/MTOP2 Manual feed tray sensor 2
(extension detection)
nCLR_PIC ICU-PIC communication
nCNCT_FAX Option FAX installation
detection
nFAX_WUP Option FAX wakeup
nFAXCS_CTS Option FAX send enable
input
nFAXCS_RTS Option FAX send request
Function/Operation
Fusing lamp ON signal Heater lamp
Fusing lamp ON signal Heater lamp
Humidity detection signal
LAN power supply signal FAX nighttime
LD strength adjustment
analog output
LAN send/receive data 0 +
LAN send/receive data 0 –
LAN send/receive data 1 +
LAN send/receive data 1 –
LAN send/receive data 2 +
LAN send/receive data 2 –
LAN send/receive data 3 +
LAN send/receive data 3 –
Detects the scanner home
position.
Main charger ON signal
Scanner (reading) section
Polygon motor CLK signal
Polygon motor ON signal Motor ON
Polygon motor lock detection
signal rotation state
Paper empty detection
Solenoid drive signal Solenoid ON
Manual feed paper length
sensor 1
Manual feed paper length
sensor 2
ICU (for LSU)-PCU
communication signal
ICU (for LSU)-PCU
communication signal
ICU (for LSU)-PCU
communication signal
ICU (for LSU)-PCU
communication signal
ICU (for LSU)-PCU
communication signal
ICU (for LSU)-PCU
communication signal
Manual feed paper width
detection
Manual feed tray detection 1
(reduction detection)
Manual feed tray detection 2
(extension detection)
ICU-PIC communication
signal
Option FAX installation
detection signal
Option FAX wakeup
interruption
Option FAX send enable
input
Option FAX send request
MX-M264U ELECTRICAL SECTION 13 – 22
Connector level
Connector
"L" "H"
Heater lamp CN13
OFF ON
Heater lamp CN13
OFF ON
– – CN19
– CN10
– – CN12
– – CN15
– – CN15
– – CN15
– – CN15
– – CN15
– – CN15
– – CN15
– – CN15
– Home CN10
– High voltage CN13
output ON
– – CN7
– – CN19
Motor OFF CN19
Normal – CN19
– Paper CN21
provided
– CN20
– Paper CN20
provided
– Paper CN20
provided
– – CN10
– – CN10
– – CN10
– – CN10
– – CN10
– – CN10
– – CN20
– Manual feed CN20
tray reduction
position
– Manual feed CN20
tray extension
position
– – CN10
Installed Not installed CN29
Active Negative CN29
Active Negative CN29
Active Negative CN29
Pin PWB
NOTE
No. No. name
13 PCU
15 PCU
5 PCU Analog
10 PCU
4 PCU Analog
1 MFPC
PWB
2 MFPC
PWB
3 MFPC
PWB
4 MFPC
PWB
5 MFPC
PWB
6 MFPC
PWB
7 MFPC
PWB
8 MFPC
PWB
1 SCNcnt
14 PCU
1, 2, 3, SCNcnt
4
10 PCU
6 PCU
8 PCU
14 PCU
14 PCU
9 PCU
6 PCU
6 PCU
8 PCU
18 PCU
20 PCU
14 PCU
16 PCU
2 PCU Analog
13 PCU
11 PCU
17 PCU
5 MFPC
PWB
15 MFPC
PWB
26 MFPC
PWB
24 MFPC
PWB