Signal Name List - Sharp AR-M455N Service Manual

3. Signal name list

Signal name Name
+24V_PR Power relay 24V
+5VLD 5V power for laser diode
ADUSET ADU detection signal
APIND ADU paper entry sensor
signal
APOD ADU paper exit sensor
signal
APPD1 ADU paper transport
sensor signal 1
APPD2 ADU paper transport
sensor signal 2
BUP_PR Power save mode relay
signal
CRUCLK Communication CLK
CRUSDA Communication data/
address signal
CSS Paper tray insertion
detection signal
DMCLK OPC drum motor rotating
speed control (CLK) signal
DM-T OPC drum motor lock
detection signal
DSR_PCU Serial communication
control signal
DSW-D ADU door sensor signal
DSW-F Front door open/close
detection signal
DSW-L Left door open/close
detection signal
DTR_PCU Control signal for serial
communication
DVCH1 DV unit identification
signal 1
DVCH2 DV unit identification
signal 2
DVCH3 DV unit identification
signal 3
FW AC power full wave signal Power monitor
FWP-PCU Flash write protect signal
GND2_Tnin GND
HLCNT1 Fusing roller center
section heater lamp
control signal
HLCNT2 Fusing roller both sides
heater lamp control signal
HLPRout Fusing heater lamp power
relay control signal
HSYNC Horizontal sync signal
HUS-DV Development humidity
sensor
LSU_S/H Laser beam horizontal
sync signal
LUD Paper tray upper limit
detection signal
LUMA Paper tray lift-up motor
control signal
LUMB Paper tray lift-up motor
control signal
Function/Operation
Power relay 24V
5V power for laser diode
ADU detection
ADU paper entry detection Paper pass
Paper exit detection Paper present
ADU upper-stream section Paper pass
paper pass detection
ADU lower-stream section Paper pass
paper pass detection
Changeover between the
power save mode and the
normal power mode
CRUM communication
CLK
CRUM communication
data/address signal
Paper tray insertion
detection
OPC drum motor rotating
speed control
OPC drum motor lock
detection
Send control signal (serial
communication)
Door open/close detection Door open
Front door open/close Front door
detection
Left door open/close Left door open
detection
Receive control signal
(Serial communication)
Installation
acknowledgment
Installation
acknowledgment
Installation
acknowledgment
Flash write protect
GND
Fusing roller center
section heating control
Fusing roller both sides
heating control
Fusing heater lamp power Relay OFF
relay control
Horizontal sync
Humidity detection around
the developing unit
Laser beam horizontal
position timing control
Paper tray upper limit
detection
Paper tray lift-up control
Paper tray lift-up control
AR-M355N/M455N ELECTRICAL SECTION 13 - 19
Connector level
Connector
L H
— —
— —
With ADU Without ADU
—
—
—
— —
— —
— —
With tray Without tray
— —
Rotation Stop/Lock
— —
Door close
Front door
open close
Left door
close
— —
— —
— —
— —
— —
— —
OFF ON
OFF ON
Relay ON
— —
— —
— —
— Upper limit
Stop Up
Stop Up
Pin PWB
Remark
No. NO. name
14 2 PCU
16 31 PCU
12 22 PCU
12 14 PCU
12 15 PCU
12 17 PCU
12 16 PCU
2 12 PCU
14 14
5 3 PCU
5 4 PCU
13 14 PCU
6 7 PCU
6 6 PCU
2 25 PCU
12 21 PCU
4 32
6 1
6 2
9 1
9 2
15 1
4 27 PCU
4 28
2 27 PCU
8 1 PCU
8 2 PCU
8 3 PCU
14 1 PCU
2 29 PCU
5 1 PCU
14 5 PCU
14 6 PCU
14 3 PCU
2 15 PCU
8 11 PCU
16 8 PCU
13 9 PCU
13 20 PCU
13 18 PCU