The Message Requesting Paper To Be Loaded Is Shown; The Size Of Paper On The Cassette Is Not Displayed Correctly; The Size Of Paper On The Mp Tray Is Not Displayed Correctly; A Paper Jam In The Paper Feed When The Main Power Switch Is Turned On - Kyocera FS-C8600DN Service Manual

Problem
(27)
The message
requesting paper to
be loaded is shown
when paper is
present on the MP
tray.
(28)
The size of paper
on the cassette is
not displayed cor-
rectly.
(29)
The size of paper
on the MP tray is
not displayed cor-
rectly.
(30)
A paper jam in the
paper feed, paper
conveying or eject
section is indi-
cated when the
main power switch
is turned on.
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. Defective switch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective switch.
3. Defective PWB.
1. A piece of paper torn
from paper is caught
around feed sensor
1, 2, MP feed sensor,
middle sensor, paper
conveying sensor,
registration sensor,
loop sensor, fuser
eject sensor, duplex
sensor 1, 2, eject full
sensor or switch-
back sensor.
2. Defective sensor.
Check procedures/corrective measures
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 1-5-49).
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 1-5-49).
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 1-5-49).
Check visually and remove it, if any.
Replace the feed sensor 1, 2, MP feed sensor, middle sen-
sor, paper conveying sensor, registration sensor, loop sen-
sor, fuser eject sensor, duplex sensor 1, 2, eject full sensor
or switchback sensor.
1-4-97
2MN/2N1