Unit installation

AR-C330 SELF DIAG MESSAGE AND TROUBLESHOOTING 10 - 61
U4 2 Case 1 Trouble
position/
cause
Alignment home position
sensor (DPHPS) trouble
Remedy (Check) Check the
alignment home position
sensor (DPHPS) operation.
(SIM9-1/2/4)
(Repair) Replace the
alignment home position
sensor (DPHPS). / Power
Source-ON
(After-work)
Case 2 Trouble
position/
cause
Duplex alignment motor
trouble.
Remedy (Check) Check the duplex
alignment motor operation.
(SIM9-1/2/4)
(Repair) Replace the duplex
alignment motor. / Power
Source-ON
(After-work)
Case 3 Trouble
position/
cause
Duplex mechanism section
trouble
Remedy (Check) Check the duplex
mechanism section
operation. (SIM9-1/2/4)
(Repair) Repair or replace
the duplex mechanism
section. / Power Source-ON
(After-work)
Case 4 Trouble
position/
cause
PCU MAIN PWB trouble
Remedy (Check)
(Repair) Replace the PCU
MAIN PWB. / Power
Source-ON
(After-work) Re-enter setup
values and adjustment
values. (Install the
EEPROM of the defective
PCU MAIN PWB to a new
PCU MAIN PWB.)
Case 5 Trouble
position/
cause
ADU control PWB trouble
Remedy (Check)
(Repair) ADU control PWB
replacement / Power
Source-ON
(After-work)
Main
code
Sub
code
Title
ADU alignment plate operation
trouble
Main
code
Sub
code
Title
ADU transport motor trouble
U4 12 Phenomena Display Lamp
U4 12
Message
Detail The motor rotation sensor
(RE) signal cycle becomes
50msec or more after 1sec
from turning ON the ADU
transport motor. / The motor
rotation sensor (RE) signal
is detected more than 100
times during 100msec after
5sec from turning OFF the
ADU transport motor.
Section Duplex
Operation
mode
Duplex copy (print)
Note
Case 1 Trouble
position/
cause
Duplex transport motor
trouble
Remedy (Check) Check the duplex
transport motor operation.
(SIM9-1/2/4)
(Repair) Replace the duplex
transport motor. / Power
Source-ON
(After-work)
Case 2 Trouble
position/
cause
Duplex transport motor
rotation sensor (DMRE)
trouble
Remedy (Check) Duplex transport
motor rotation sensor
(DMRE) operation check
(SIM 9-1/2/4)
(Repair) Replace the duplex
transport motor rotation
sensor (DMRE). / Power
Source-ON
(After-work)
Case 3 Trouble
position/
cause
Duplex mechanism section
trouble
Remedy (Check) Duplex mechanism
section operation check
(SIM9-1/2/4)
(Repair) Repair or replace
the duplex mechanism
section. / Power Source-ON
(After-work)
Case 4 Trouble
position/
cause
ADU control PWB trouble
Remedy (Check)
(Repair) ADU control PWB
replacement / Power
Source-ON
(After-work)