Kyocera Mita KM-4530 Service Manual page 171

2BC/D-1
Code Contents
C4100 BD initialization (A) problem
When power is turned on, only laser A
is output and MIP detects a BD error for
600 ms.
C4110 BD initialization (B) problem
When power is turned on, only laser B
is output and MIP detects a BD error for
600 ms.
C4200 • The VTC detects a BD error for 600
ms after the polygon motor rotation
has been stabilized.
C5100 Main charger problem
MC ALM signal is detected continu-
ously for 400 ms when MC REM signal
is turned on.
C5110 Transfer/separation charger problem
SC/TC ALM signal is detected continu-
ously for 400 ms when SC/TC REM
signal is turned on.
C5300 Eraser problem
After completion of potential adjustment
(automatic adjustment), the drum sur-
face potential is 400 V or more.
1-5-28
Causes Check procedures/corrective measures
Defective laser Replace the LSU.
scanner unit.
Defective main Replace the main PCB and check for cor-
PCB. rect operation.
Defective laser Replace the LSU.
scanner unit.
Defective main Replace the main PCB and check for cor-
PCB. rect operation.
Defective laser Replace the LSU.
diode.
Defective polygon Replace the LSU.
motor.
Defective main Replace the main PCB and check for cor-
PCB. rect operation.
Leakage during Check and clean the main charger unit.
main charging.
Defective high Replace the high voltage transformer PCB
voltage trans- and check for correct operation.
former PCB.
Leakage during Check and clean the transfer charger unit.
transfer/separa-
tion charging.
Defective high Replace the high voltage transformer PCB
voltage trans- and check for correct operation.
former PCB.
Poor contact in Reinsert the connector. Also check for con-
the image forma- tinuity within the connector cable. If none,
tion unit connector repair or replace the cable.
terminals.
Poor contact in Reinsert the connector. Also check for con-
the eraser lamp tinuity within the connector cable. If none,
connector termi- repair or replace the cable.
nals.
Defective eraser Replace the eraser lamp.
lamp.
Defective engine Replace the engine PCB and check for
PCB. correct operation.
Defective main Replace the main PCB and check for cor-
PCB. rect operation.
Remarks