Kyocera KM-C2520 Service Manual page 179

Problem
(39) Defective internal tray
A paper jam in paper entry sensor 2.
optional document
finisher is indicated
during copying (inter-
nal tray paper entry
sensor 2 jam).
Jam code 87
(40) Defective eject switch 1.
A paper jam in
optional document
finisher is indicated
during copying (main
tray eject jam).
Jam code 88
(41) Defective sensor/switch.
A paper jam in
optional document
finisher is indicated
during copying (cen-
terfold unit jam).
Jam code 89
(42) Defective sensor/switch.
A paper jam in
optional document
finisher is indicated
during copying (mail-
box jam).
Jam code 90
(43) Defective eject sensor.
A paper jam in
optional document
finisher is indicated
Check if the paper convey-
during copying (eject
ing motor malfunctions.
sensor non-arrival
jam).
Check if the exit roller and
Jam code 92
exit pulley contact each
other.
Check if the exit guide is
deformed.
Defective finisher main
PWB.
Causes/check procedures Corrective measures
Run maintenance item U241 and turn internal tray paper entry
sensor 2 on and off manually. Replace the switch if indication of
the corresponding switch on the touch panel is not displayed in
reverse.
Run maintenance item U241 and turn eject switch 1 on and off
manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
Run maintenance item U241 and turn the following switch on and
off manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
Centerfold paper entry sensor, centerfold eject switch, centerfold
paper conveying sensor
Run maintenance item U241 and turn the following switch on and
off manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
Mail paper entry switch, tray eject sensor
With 5 V DC present at CN5-4 on the finisher main PWB, check if
CN5-6 on the finisher main PWB remains low or high when the
exit sensor is turned on and off. If it does, replace the exit sensor.
Check.
Check and remedy.
Check and remedy.
Replace the finisher main PWB and check for correct operation.
2FZ/2F0/2HC-4
1-4-19