Kyocera Mita KM-1500 Service Manual page 72

2DC
Code
C3200 Exposure lamp problem
(A3200*) • In indicator check before starting
copying, the average value in scan-
ning of the shading plate with the
CCD is 128 or more.
C3300 Optical system (AGC) problem
(A3300*) • After AGC, correct input is not ob-
tained at CCD.
C4000 Polygon motor synchronization
(A4000*) problem
• The polygon motor does not reach
the stable speed within 15 s of the
START signal turning on.
C4010 Polygon motor steady-state problem
(A4010*) • The polygon motor rotation is not
stable for 5 s after the polygon motor
rotation has been stabilized.
C4200 BD steady-state problem
(A4200*) • The MIC detects a BD error for 600
ms after the polygon motor rotation
has been stabilized.
"A" is displayed on the market.
1-5-10
Contents
Causes Check procedures/corrective measures
Defective scanner Replace the scanner board (KP-5063) and
board (KP-5063). check for correct operation.
Defective expo- Replace the exposure lamp or inverter
sure lamp or in- board.
verter board.
Incorrect shading Adjust the position of the contact glass
position. (shading plate). If the problem still occurs,
replace the scanner home position sensor.
Poor contact of Check the connection of connector YC-6
the connector ter- on the scanner board (KP-5063), and the
minals. continuity across the connector terminals.
Repair or replace if necessary.
Insufficient expo- Replace the exposure lamp or inverter
sure lamp lumi- board.
nosity.
Defective scanner Replace the scanner board (KP-5063) and
board (KP-5063). check for correct operation.
Incorrect shading Adjust the position of the contact glass
position. (shading plate). If the problem still occurs,
replace the scanner home position sensor.
Poor contact in Reinsert the connector. Also check for con-
the polygon motor tinuity within the connector cable. If none,
connector termi- remedy or replace the cable.
nals.
Defective polygon Replace the LSU.
motor.
Defective engine Replace the engine board (KP-5061) and
board (KP-5061). check for correct operation.
Poor contact in Reinsert the connector. Also check for con-
the polygon motor tinuity within the connector cable. If none,
connector termi- remedy or replace the cable.
nals.
Defective polygon Replace the LSU.
motor.
Defective engine Replace the engine board (KP-5061) and
board (KP-5061). check for correct operation.
Defective laser Replace the LSU.
diode.
Defective polygon Replace the LSU.
motor.
Defective main Replace the main board (KP-5060) and
board (KP-5060). check for correct operation.
Remarks