Unit installation

AR-C330 SELF DIAG MESSAGE AND TROUBLESHOOTING 10 - 33
F2 58 Case 1 Trouble
position/
cause
Bad connection between
the image density sensor
and the PCU SUB PWB.
Remedy (Check) Check connection
of the humidity sensor and
the PCU SUB PWB.
(Repair) Replace the
humidity sensor. / Power
Source-ON
(After-work) Adjust ADJ M6
Case 2 Trouble
position/
cause
PCU SUB PWB trouble
Remedy (Check) Check the PCU
SUB PWB humidity sensor
circuit.
(Repair) PCU SUB PWB
replacement / Power
Source-ON
(After-work)
Main
code
Sub
code
Title
Temperature sensor trouble (Image
process)
F2 63 Phenomena Display Lamp
Message
Detail Temperature sensor (image
process) output line open
Section Image process
Operation
mode
All modes
Note The error code is stored in
the trouble memory (print
enabled).
Case 1 Trouble
position/
cause
Bad connection of the
temperature sensor, the
process control PWB, and
the PCU MAIN PWB.
Remedy (Check) Check connection
of the temperature sensor,
the process control PWB,
and the PCU MAIN PWB.
(Repair) Replace the
temperature sensor
(process control PWB). /
Power Source-ON
(After-work)
Case 2 Trouble
position/
cause
PCU MAIN PWB trouble
Remedy (Check) Check the output
level of the PCU MAIN
PWB humidity sensor.
(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.)
Main
code
Sub
code
Title
Process humidity sensor trouble
Main
code
Sub
code Title
Trouble of image density sensor for
registration (Transfer belt surface
reflection ratio abnormality)
F2 78 Phenomena Display Lamp
Message
Detail Before starting registration,
the transfer belt surface is
scanned with the image
density sensor to adjust the
sensor gain so that the
output becomes a fixed
value. However, when the
sensor gain is changed, the
value is not within the
specified range.
Section Image process
Operation
mode
All modes
Note
Case 1 Trouble
position/
cause
Image density sensor
trouble, disconnection of
the harness between the
PCU PWB and the image
density sensor, dirt on the
image density sensor.
Remedy (Check) / (Repair) When
"Error" occurs in the gain
adjustment of SIM 44-2:
Check the sensor and the
harness.
(After-work)
Case 2 Trouble
position/
cause
Calibration plate solenoid
operation trouble
Remedy (Check) / (Repair) Check
the calibration plate
solenoid operation.
(After-work)
Case 3 Trouble
position/
cause
Insufficient cleaning of the
transfer belt.
Remedy (Check) / (Repair) Check
the transfer belt surface.
(After-work)
Main
code
Sub
code
Title
Half tone correction (1st patch)
trouble (BLACK)
F2 80 Phenomena Display Lamp
Message
Detail In half tone image density
correction, the toner patch
density is abnormally low or
high.
Section Image process
Operation
mode
Image density correction
Note
Case 1 Trouble
position/
cause
Image density sensor
trouble
Remedy (Check) Check the image
density sensor (dirt, output).
(SIM44-2)
(Repair) Clean or replace
the image density sensor. /
Power Source-ON
(After-work) Adjust ADJ M6