Kyocera FS-C2026MFP Service Manual page 125

Code Contents
4202 Laser output error (cyan)
The pin photo signal is not
output from PD PWB C for
one second while laser is
emitted.
4203 Laser output error
(magenta)
The pin photo signal is not
output from PD PWB M for
one second while laser is
emitted.
4204 Laser output error (yellow)
The pin photo signal is not
output from PD PWB Y for
one second while laser is
emitted.
4600 LSU cleaning motor error
When the LSU cleaning motor
is driven, the motor over-cur-
rent detection signal is
detected continuously for 50
times (5 s) at 100 ms inter-
vals.
Causes
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. APC PWB C and engine PWB (YC32)
Defective APC Replace the laser scanner unit CY (see
PWB C. page 1-5-44).
Defective PD PWB Replace the laser scanner unit CY (see
C. page 1-5-44).
Defective engine Replace the engine PWB (see page 1-5-26).
PWB.
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
replace the cable.
contact in the con-
nector. APC PWB M and engine PWB (YC31)
Defective APC Replace the laser scanner unit KM (see
PWB M. page 1-5-44).
Defective PD PWB Replace the laser scanner unit KM (see
M. page 1-5-44).
Defective engine Replace the engine PWB (see page 1-5-26).
PWB.
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. APC PWB Y and engine PWB (YC32)
Defective APC Replace the laser scanner unit CY (see
PWB Y. page 1-5-44).
Defective PD PWB Replace the laser scanner unit CY (see
Y. page 1-5-44).
Defective engine Replace the engine PWB (see page 1-5-26).
PWB.
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. LSU cleaning motor and engine PWB
(YC36)
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushes and
tem of the LSU gears. Check for broken gears and replace if
cleaning motor. any.
Defective LSU Replace the LSU cleaning motor.
cleaning motor.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-26).
1-4-19
Check procedures/
corrective measures
2KW/2KX