Kyocera KM-3050 Service Manual page 159

Problem
(32) 3000-sheet document finisher/document finisher
A paper jam in
Defective staple home posi-
optional document
tion sensor.
finisher is indicated
during copying (fin-
isher stapler jam).
Jam code 82
Built-in finisher
The stapler is blocked with
a staple.
Defective stapler section.
(33) 3000-sheet document finisher
A paper jam in
Defective eject switch 1.
optional document
finisher is indicated
during copying (eject
sensor stay jam).
Jam code 83
Document finisher
Defective eject sensor.
Check if the paper convey-
ing motor malfunctions.
Check if the eject roller and
eject pulley contact each
other.
Check if the eject guide is
deformed.
Defective finisher main
PWB.
Built-in finisher
Defective paper conveying
switch.
Check if the feedshift roller
or feedshift pulley is
deformed.
(34) Defective eject switch 2.
A paper jam in
optional document
finisher is indicated
during copying (sub
tray eject jam).
Jam code 84
(35) Defective eject switch 3.
A paper jam in
optional document
finisher is indicated
during copying (sub
tray eject jam).
Jam code 85
Causes/check procedures Corrective measures
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.
Remove the stapler cartridge, and check the cartridge and the sta-
pling section of the stapler. Remove the staple if any.
With 5 V DC present at YC2-24 on the finisher control PWB,
check if YC2-19 on the finisher control PWB remains low or high.
If it does, replace the stapler section.
Run maintenance item U241 and turn eject switch 1 on and off
manually. Replace the original switchback 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.
With 5 V DC present at YC2-23 on the finisher control PWB,
check if YC2-21 on the finisher control PWB remains low when
the paper conveying switch is turned on and off. If it does, replace
the paper conveying switch.
Check and remedy.
Run maintenance item U241 and turn eject switch 2 on and off
manually. Replace the original switchback 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 original switchback switch if indication of
the corresponding switch on the touch panel is not displayed in
reverse.
2GN/2GP/2GR-5
1-4-19