Kyocera KM-C2520 Service Manual page 178

2FZ/2F0/2HC-3
Problem
(34)
A paper jam in
optional document
finisher is indicated
during copying
(paper jam during
paper insertion to the
finisher).
Jam code 81
(35)
A paper jam in
optional document
finisher is indicated
during copying (fin-
isher stapler jam).
Jam code 82
(36)
A paper jam in
optional document
finisher is indicated
during copying (eject
sensor stay jam).
Jam code 83
(37)
A paper jam in
optional document
finisher is indicated
during copying (right
sub tray eject jam).
Jam code 84
(38)
A paper jam in
optional document
finisher is indicated
during copying (left
sub tray eject jam).
Jam code 85
1-4-18
Causes/check procedures
Extremely curled paper.
Defective paper entry sen-
sor.
Defective finisher main
PWB.
Defective staple home posi-
tion sensor.
3000-sheet document finisher
Defective eject switch 1.
Document finisher
Defective eject sensor.
Check if the paper convey-
ing motor malfunctions.
Check if the exit roller and
exit pulley contact each
other.
Check if the exit guide is
deformed.
Defective finisher main
PWB.
Defective eject switch 2.
Defective eject switch 3.
Corrective measures
Change the paper.
(3000-sheet document finisher)
Run maintenance item U241 and turn the paper entry sensor on
and off manually. Replace the sensor if indication of the corre-
sponding sensor on the touch panel is not displayed in reverse.
(Document finisher)
With 5 V DC present at CN14-1 and CN14-3 on the finisher main
PWB, check if CN14-2and CN14-4 on the finisher main PWB
remains low or high when the paper entry sensor is turned on and
off. If it does, replace the paper entry sensor.
Replace the finisher main PWB and check for correct operation.
Run maintenance item U241 and turn the staple home position
sensor on and off manually. Replace the sensor if indication of the
corresponding sensor 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.
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
eject sensor is turned on and off. If it does, replace the eject sen-
sor.
Check and remedy.
Check and remedy.
Check and remedy.
Replace the finisher main PWB and check for correct operation.
Run maintenance item U241 and turn eject switch 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 3 on and off
manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.