Unit installation

AR-C330 SELF DIAG MESSAGE AND TROUBLESHOOTING 10 - 42
F2 87 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
Case 2 Trouble
position/
cause
Transfer belt trouble (dirt,
scratch)
Remedy (Check) Toner dispersion
from transfer belt cleaner,
OPC drum unit, developing
unit
(Repair) Transfer belt
cleaning, replacement /
Transfer belt cleaner
replacement / OPC drum
unit, developing unit
cleaning / Power Source-
ON
(After-work)
Case 3 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)
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.)
Main
code
Sub
code
Title
Half tone correction (2nd) patch
trouble (YELLOW)
F2 87 Case 5 Trouble
position/
cause
Main charger output trouble
Remedy (Check) Main charger
contact check / Main
charger unit check / High
voltage power PWB, high
voltage interface PWB
check / Main charger output
voltage check
(Repair) Main charger unit
replacement / High voltage
power PWB, high voltage
interface PWB replacement
/ Main charger output
voltage adjustment (SIM 8-
2) / Power Source-ON
(After-work) Execute the
image density correction
(SIM 44-6). / Execute the
half tone density correction
(SIM 44-26).
Case 6 Trouble
position/
cause
Developing bias output
trouble
Remedy (Check) Developing bias
contact check / High voltage
PWB check / Developing
bias voltage check
(Repair) High voltage power
PWB replacement /
Developing bias output
voltage adjustment (SIM8-
1) / Power Source-ON
(After-work) Execute the
image density correction
(SIM 44-6). / Execute the
half tone density correction
(SIM 44-26).
Case 7 Trouble
position/
cause
Transfer trouble
Remedy (Check) Transfer roller
check / High voltage power
PWB check / Transfer
voltage check
(Repair) Transfer roller
replacement / High voltage
power PWB replacement /
Transfer output voltage
adjustment (SIM 8-6) /
Power Source-ON
(After-work) Execute the
image density correction
(SIM 44-6). / Execute the
half tone density correction
(SIM 44-26).
Main
code
Sub
code
Title
Half tone correction (2nd) patch
trouble (YELLOW)