Kyocera ECOSYS FS-4300DN Service Manual page 93

Problem
(12)
Feedshift solenoid
does not operate.
(60/50/45 ppm
model only)
(13)
The message
requesting paper to
be loaded is shown
when paper is
present on the cas-
sette.
(14)
The message
requesting paper to
be loaded is shown
when paper is
present on the MP
tray.
(15)
The size of paper
on the cassette is
not displayed cor-
rectly.
Causes
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective solenoid.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Deformed actuator of
the paper sensor.
3. Defective paper sen-
sor.
4. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Deformed actuator of
the MP paper sensor.
3. Defective MP paper
sensor.
4. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective cassette
size switch.
3. Defective PWB.
Check procedures/corrective measures
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Feedshift solenoid and relay-L PWB (YC13)
Relay-L PWB and engine PWB (YC2/YC3)
Replace the Feedshift solenoid.
Replace the engine PWB or the relay-L PWB and check for
correct operation (see page 1-5-22, 1-5-24).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
High voltage PWB and engine PWB (YC19)
Check visually and replace if necessary.
Replace the engine PWB or the high voltage PWB and
check for correct operation (see page 1-5-22,1-5-26).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
MP paper sensor and relay-L PWB (YC8)
Relay-L PWB and engine PWB (YC2)
Check visually and replace if necessary.
Replace the MP paper sensor.
Replace the engine PWB or the relay-L PWB and check for
correct operation (see page 1-5-22, 1-5-24).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Cassette size switch and engine PWB (YC7)
Replace the cassette size switch.
Replace the engine PWB and check for correct operation
(see page 1-5-22).
1-4-33
2LV/2L1/2L2/2MS/2MT