Kyocera TASKalfa 181 - Page 135

2KJ/2KH
1-4-21
C3200 Exposure lamp problem
Non-lighting of the exposure lamp is
detected at the beginning of copying.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC16 on
the engine PWB and the connector on the
inverter PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective exposure
lamp.
Replace the exposure lamp.
Incorrect shading
position.
Adjust the position of the contact glass
(shading plate). If the problem still occurs,
replace the home position switch.
Defective PWB. Replace the engine PWB or inverter PWB
and check for correct operation.
C3300 AGC problem
After AGC, correct input is not obtained
at CCD.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC5 on
the main PWB and the connector on the
CCD PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective exposure
lamp.
Replace the exposure lamp.
Defective PWB. Replace the main PWB or CCD PWB and
check for correct operation.
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
connector termi-
nals.
Check the connection of connector YC3 on
the engine PWB and laser scanner unit, and
the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective polygon
motor.
Replace the laser scanner unit.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
C4010 Polygon motor steady-state problem
Stable OFF is detected for 5 s continu-
ously after polygon motor stability.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC3 on
the engine PWB and laser scanner unit, and
the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective polygon
motor.
Replace the laser scanner unit.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
C4200 BD steady-state problem
ASIC detects a BD error for 600 ms after
the polygon motor rotation has been sta-
bilized.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC3 on
the engine PWB and laser scanner unit, and
the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective laser
scanner unit.
Replace the laser scanner unit.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
Code Contents
Remarks
Causes Check procedures/corrective measures