Kyocera KM-2550 - Page 152

2FT-1
1-5-22
C3200 Exposure lamp problem
Non-lighting of the exposure lamp is
detected at the beginning of copying.
Poor contact of the
connector termi-
nals.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective exposure
lamp or inverter
PCB.
Replace the exposure lamp or inverter PCB.
Defective engine
PCB.
Replace the engine PCB and check for cor-
rect operation.
Incorrect shading
position.
Adjust the position of the contact glass
(shading plate). If the problem still occurs,
replace the scanner home position switch.
C3300 Optical system (AGC) problem
After AGC, correct input is not obtained
at CCD.
Insufficient expo-
sure lamp luminos-
ity.
Replace the exposure lamp or inverter PCB.
Defective engine
PCB.
Replace the engine PCB and check for cor-
rect operation.
Incorrect shading
position.
Adjust the position of the contact glass
(shading plate). If the problem still occurs,
replace the scanner home position switch.
Defective CCD
PCB.
Replace the ISU.
C4000 Polygon motor synchronization prob-
lem
The polygon motor does not reach the
stable speed within 20 s of the START
signal turning on.
Poor contact in the
polygon motor con-
nector terminals.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective polygon
motor.
Replace the LSU.
Defective engine
PCB.
Replace the engine PCB and check for cor-
rect operation.
C4010 Polygon motor steady-state problem
The polygon motor rotation is not stable
for 5 s after the polygon motor rotation
has been stabilized.
Poor contact in the
polygon motor con-
nector terminals.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective polygon
motor.
Replace the LSU.
Defective engine
PCB.
Replace the engine PCB and check for cor-
rect operation.
C4200 BD steady-state problem
The MIP detects a BD error for 600 ms
after the polygon motor rotation has
been stabilized.
Defective laser
diode.
Replace the LSU.
Defective polygon
motor.
Replace the LSU.
Defective main
PCB.
Replace the main PCB and check for correct
operation.
Defective engine
PCB.
Replace the engine PCB and check for cor-
rect operation.
Code Contents
Remarks
Causes Check procedures/corrective measures