Kyocera TASKalfa 4500i Service Manual page 382

Problem
(31)
The message
requesting paper to
be loaded is shown
when paper is
present on the cas-
sette.
(32)
The message
requesting paper to
be loaded is shown
when paper is
present on the MP
tray.
(33)
The size of paper
on the cassette is
not displayed cor-
rectly.
(34)
The size of paper
on the MP tray is
not displayed cor-
rectly.
Causes
1. Defective connector
cable or poor con-
tact in the connector.
2. Deformed actuator.
3. Defective sensor.
4. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Deformed actuator.
3. Defective sensor.
4. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective switch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective switch.
3. Defective PWB.
Check procedures/corrective measures
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Paper sensor 1, 2 and feed PWB 2 (YC8)
Feed PWB 2 (YC1) and engine PWB (YC4)
Check visually and replace if necessary.
Replace the paper sensor 1 or 2.
Replace the feed PWB 2 or engine PWB and check for cor-
rect operation (see page 1-5-47).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
MP paper sensor and relay PWB (YC3)
Relay PWB (YC12) and feed PWB 1 (YC17)
Feed PWB 1 (YC1)and engine PWB (YC6)
Check visually and replace if necessary.
Replace the MP paper sensor.
Replace the feed PWB 1 or engine PWB and check for cor-
rect operation (see page 1-5-47).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Paper length switch 1, 2 and feed PWB 2 (YC3)
Paper width switch 1, 2 and feed PWB 2 (YC3)
Feed PWB 2 (YC1) and engine PWB (YC4)
Replace the paper length switch 1, 2 or paper width switch
1, 2.
Replace the feed PWB 2 or engine PWB and check for cor-
rect operation (see page 1-5-47).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
MP paper length switch and relay PWB (YC2)
MP paper width switch and relay PWB (YC2)
Relay PWB (YC12) and feed PWB 1 (YC17)
Feed PWB 1 (YC1)and engine PWB (YC6)
Replace the MP paper length switch or MP paper width
switch.
Replace the relay PWB, feed PWB 1 or engine PWB and
check for correct operation (see page 1-5-47).
1-4-78
2LL/2LJ/2LH-1