Unit installation

AR-C330 SELF DIAG MESSAGE AND TROUBLESHOOTING 10 - 25
Main
code
Sub
code
Title
Toner concentration sensor trouble
(CYAN)
F2 41 Phenomena Display Lamp
Message
Detail Toner density sensor output
line open
Section Developing
Operation
mode
All modes
Note
Case 1 Trouble
position/
cause
Bad connection of the toner
density sensor, the process
control PWB, and the PCU
MAIN PWB
Remedy (Check) Check connections
of the toner density sensor,
the process control PWB,
and the PCU MAIN PWB.
(Repair) Replace the toner
density sensor. / Power
Source-ON
(After-work)
Case 2 Trouble
position/
cause
Process control PWB
trouble
Remedy (Check) Check the toner
density sensor output level
with SIM 25-1.
(Repair) Replace the
process control PWB. /
Power Source-ON
(After-work)
Case 3 Trouble
position/
cause
PCU MAIN PWB trouble
Remedy (Check) Check the toner
density sensor output level
with SIM 25-1.
(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
Toner concentration sensor trouble
(MAGENTA)
F2 42 Phenomena Display Lamp
Message
Detail Toner density sensor output
line open
Section Developing
Operation
mode
All modes
Note
Case 1 Trouble
position/
cause
Bad connection of the toner
density sensor, the process
control PWB, and the PCU
MAIN PWB
Remedy (Check) Check connections
of the toner density sensor,
the process control PWB,
and the PCU MAIN PWB.
(Repair) Replace the toner
density sensor. / Power
Source-ON
(After-work)
Case 2 Trouble
position/
cause
Process control PWB
trouble
Remedy (Check) Check the toner
density sensor output level
with SIM 25-1.
(Repair) Replace the
process control PWB. /
Power Source-ON
(After-work)
Case 3 Trouble
position/
cause
PCU MAIN PWB trouble
Remedy (Check) Check the toner
density sensor output level
with SIM 25-1.
(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.)