Service manual

AR-M351U/M451U, AR-M355U/M455U ELECTRICAL SECTION 13 - 22
XDTR_FIN1 Serial communication
control signal
Send control ——11 3 PCU
XDTR_FIN2 Serial communication
control signal
Send control ——11 9 PCU
XDVPWM Developing bias voltage
control signal (PWM)
Developing bias PWM
control
——15 11 PCU
XDVREM Developing bias control
(ON/OFF) signal
Developing bias ON/OFF ON OFF 15 10 PCU
XFGS_FIN Finisher gate solenoid
control signal
Finisher gate solenoid
control
——11 19 PCU
XFM1 Fan Fan ——11 20 PCU
XGBPWM Main charger grid bias
voltage (PWM) control
signal
Main charger grid bias
voltage (PWM) control
——15 8 PCU
XLDON Laser ON/OFF control
signal
Laser ON/OFF control ON OFF 16 15 PCU
XMCDRS MP door open/close
sensor signal
MP left door open/close
detection
— Door close 10 7 PCU
XMCFCL Multi-purpose paper feed
tray transport clutch
Clutch for transport from
the MP tray
Paper
transport
— 10 18 PCU
XMCLUM Multi-purpose paper feed
tray lift-up motor
MP tray lift up Up Stop 10 19 PCU
XMCM Multi-purpose paper feed
tray transport motor
control signal
Multi-purpose paper feed
tray transport motor ON/
OFF control
ON OFF 10 22 PCU
XMCPCL Multi-purpose paper feed
clutch
Clutch for paper feed from
the MP tray
10 17 PCU
XMCPPD MP transport sensor
signal
Paper detection on the
path
Paper
detection
— 10 6 PCU
XMHVREM Main charger control
signal
Main charger ON/OFF ON OFF 15 5 PCU
XMM Main motor control signal Main motor ON/OFF
control
ON OFF 9 7 PCU
XMPFC ADU manual feed paper
feed clutch control signal
Clutch for paper feed from
the manual paper feed
tray
Paper feed — 12 11 PCU
XMPFS ADU manual feed paper
feed solenoid control
signal
Solenoid for paper feed
from the manual paper
feed tray
Paper feed — 12 12 PCU
XMSS ADU shutter solenoid
control signal
Shutter open/close control
in manual paper feed
Paper feed — 12 24 PCU
XMSWMON MSW monitor signal Main switch monitor ——14 13 PCU
XMSWOFF MSW OFF signal Main switch OFF signal ——219PCU
XMSWPR Main switch power relay
control signal
Main switch power relay
control
Relay ON Relay OFF 14 12 PCU
XPNC Mechanism counter Mechanism counter ——23 1 PCU
XPOF Power OFF status signal Power OFF status Power OFF Power ON 2 20 PCU
XPOMA Paper exit motor control
signal (Phase A)
Paper exit unit paper
transport
——45PCU
XPOMB Paper exit motor control
signal (Phase B)
Paper exit unit paper
transport
——43PCU
XPOMXA Paper exit motor control
signal (Phase /A)
Paper exit unit paper
transport
——47PCU
XPOMXB Paper exit motor control
signal (Phase /B)
Paper exit unit paper
transport
——41PCU
XPPD1 Resist roller front paper
pass detection signal
Detection of paper pass in
front of the resist roller
Paper pass — 13 17 PCU
XPSPS Separation solenoid
control signal
Separation solenoid
control
Separation — 55PCU
XREADY LSU motor READY signal LSU motor READY
detection
——16 28 PCU
XRRC Resist roller clutch control
signal
Resist roller clutch ON/
OFF control
Paper
transport
— 13 8 PCU
XRSVOUT2 Reserved Reserved ——57PCU
XSTART Polygon mirror motor drive
start signal
Polygon mirror motor
control
ON OFF 16 25 PCU
Signal name Name Function/Operation
Connector level
Connector
No.
Pin
NO.
PWB
name
Remark
LH