Kyocera TASKalfa 2551ci, Service Manual

Page: 394 / 756

2NP
1-4-87
(26)
The message
requesting paper to
be loaded is shown
when paper is
present on the MP
tray. 1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
MP paper sensor and engine PWB (YC22)
2. Deformed actuator of
the MP paper sensor.
Check visually and replace if necessary.
3. Defective MP paper
sensor.
Replace the MP paper sensor.
4. Defective PWB. Replace the engine PWB and check for correct operation
(see page 1-5-39).
(27)
The size of paper
on the cassette 1 is
not displayed cor-
rectly. 1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Paper size width switch 1 and engine connect PWB (YC7)
Paper size length switch 1 and engine connect PWB (YC7)
Engine connect PWB and engine PWB (YC4)
2. Defective cassette
size switch.
Replace the paper size width switch 1 or paper size length
switch 1.
3. Defective PWB. Replace the engine PWB or the engine connect PWB and
check for correct operation (see page 1-5-39).
(28)
The size of paper
on the cassette 2 is
not displayed cor-
rectly. 1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Paper size width switch 2 and engine PWB (YC27)
Paper size length switch 2 and engine PWB (YC27)
engine PWB and main PWB
2. Defective cassette
size switch.
Replace the paper size width switch 1 or paper size length
switch 1.
3. Defective PWB. Replace the engine PWB or the main PWB and check for
correct operation (see page 1-5-54, 1-5-37).
(29)
A paper jam in the
paper feed, paper
conveying or eject
section is indi-
cated when the
main power switch
is turned on. 1. A piece of paper torn
from paper is caught
around registration
sensor, duplex sen-
sor , feed sensor 1/2
or eject sensor.
Check visually and remove it, if any.
2. Defective sensor. Replace the registration sensor, duplex sensor, feed sensor
1/2 or eject sensor.
(30)
A message indicat-
ing cover open is
displayed when the
front cover or right
cover 1/2 is closed. 1. Deformed actuator of
the interlock switch.
Check visually and replace if necessary.
2. Defective interlock
switch.
Replace the interlock switch.
Problem Causes Check procedures/corrective measures