Kyocera ECOSYS P4035dn Service Manual page 95

Problem
(17)
The size of paper
on the cassette is
not displayed cor-
rectly.
(18)
A paper jam in the
paper feed, paper
conveying or eject
section is indi-
cated when the
main power switch
is turned on.
(19)
A message indicat-
ing cover open is
displayed when the
top cover is closed.
(20)
A message indicat-
ing cover open is
displayed when the
rear cover is
closed.
Causes
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective cassette
size switch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. A piece of paper torn
from paper is caught
around registration
sensor, duplex sen-
sor, PF feed sensor,
eject full sensor or
eject sensor.
3. Defective sensor.
4. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective interlock
switch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective rear cover
switch.
3. Defective PWB.
Check procedures/corrective measures
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 1-5-40).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Regist sensor 2 and Drum PWB (YC6)
DU sensor 1 and Relay-L PWB (YC9)
PF feed sensor and PF main PWB
Eject full sensor and engine PWB (YC12)
Eject sensor and Engine PWB (YC26)
Check visually and remove it, if any.
Replace the registration sensor, duplex sensor, PF feed
sensor, eject full sensor or eject sensor.
Replace the engine PWB and check for correct operation
(see page 1-5-40).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Interlock switch and engine PWB (YC6)
Check and replace if necessary.
Replace the engine PWB and check for correct operation
(see page 1-5-40).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Rear cover switch and relay-L PWB (YC10)
Relay-L PWB and engine PWB (YC2/3)
Check and replace if necessary.
Replace the engine PWB or the relay-L PWB and check for
correct operation (see page 1-5-40, 1-5-45).
1-4-32
2P7/2R0/3PN