Unit installation

AR-C330 SELF DIAG MESSAGE AND TROUBLESHOOTING 10 - 27
Main
code
Sub
code
Title
Image density sensor trouble
(COLOR) (Calibration plate
reflection abnormality)
F2 45 Phenomena Display Lamp
Message
Detail In the image density
correction, the calibration
plate is read by the image
density sensor and the
sensor gain is adjusted so
that the output becomes a
fixed value. However, the
output of the specified
range cannot be obtained
even though the sensor
gain is changed.
Section Image process (Transfer)
Operation
mode
Image density correction
Note Print is disabled in USA. For
the other destinations, print
is enabled. However, the
print density must be
forcibly decreased.
Case 1 Trouble
position/
cause
Image density sensor
trouble
Remedy (Check) Check the image
density sensor (dirt, output)
(SIM44-2) / Check the
image density sensor
calibration plate. / Check
the operation of the image
density sensor calibration
plate switching.
(Repair) Clean or replace
the image density sensor. /
Clean or replace the image
density sensor calibration
plate. / Replace the image
density sensor calibration
plate switch solenoid. /
Power Source-ON
(After-work) Adjust ADJ M6
Case 2 Trouble
position/
cause
Calibration plate trouble
(dirt, scratch)
Remedy (Check) Toner dispersion
from the transfer belt, the
OPC drum unit, and the
developing unit
(Repair) Clean or replace
the calibration plate. /
Replace the transfer belt
cleaner. / Clean the OPC
drum and the developing
unit. / Power Source-ON
(After-work)
Case 3 Trouble
position/
cause
PCU SUB PWB trouble
Remedy (Check) Check the PCU
SUM PWB image density
sensor circuit.
(Repair) PCU SUB PWB
replacement / Power
Source-ON
(After-work)
Main
code
Sub
code
Title
Drum marking detection trouble
(BLACK)
F2 50 Phenomena Display Lamp
Message
Detail The drum marking is not
recognized. / The size and
the number of drum
markings are not specified
ones.
Section Image process (OPC drum)
Operation
mode
OPC drum rotation
Note The error code is stored in
the trouble memory (print
enabled).
Case 1 Trouble
position/
cause
Drum marking sensor
trouble (dirt, output)
Remedy (Check) Drum marking
sensor output check
(SIM44-2)
(Repair) Clean or replace
the drum marking sensor. /
Power Source-ON
(After-work)
Case 2 Trouble
position/
cause
Bad connection of the
signal line of PCU MAIN
PWB / process control PWB
/ drum marking sensor.
Remedy (Check) Check connection
of the signal line of PCU
MAIN PWB / process
control PWB / drum marking
sensor.
(Repair) Repair or replace
the cable and the connector
between PCU MAIN PWB /
Process control PWB /
Drum marking sensor. /
Power Source-ON
(After-work)
Case 3 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.)