Kyocera KM-3050 Service Manual page 152

2GN/2GP/2GR-2
Problem
(4)
A paper jam in the
paper feed section is
indicated during
copying (no paper
feed from optional
cassette 3).
Jam code 12
(5)
A paper jam in the
paper feed section is
indicated during
copying (no paper
feed from optional
cassette 4).
Jam code 13
1-4-12
Causes/check procedures
Optional paper feeder
Paper is extremely curled.
Check if the paper feed pul-
ley, forwarding pulley and
separation pulley of optional
cassette 3 are deformed.
Broken feed switch 3 actua-
tor.
Defective feed switch 3.
Check if paper feeder paper
feed clutch 1 malfunctions.
Electrical problem with
paper feeder paper feed
clutch 1.
Optional 3000-sheet paper feeder
Paper is extremely curled.
Broken feed switch 3 actua-
tor.
Defective feed switch 3.
Check if the clutch malfunc-
tions.
Electrical problem with
clutch.
Paper is extremely curled.
Check if the paper feed pul-
ley, forwarding pulley and
separation pulley of optional
cassette 4 are deformed.
Broken paper feeder feed
switch actuator.
Defective paper feeder feed
switch.
Check if paper feeder paper
feed clutch 2 malfunctions.
Electrical problem with
paper feeder paper feed
clutch 2.
Corrective measures
Replace the paper.
Check visually and replace any deformed pulleys.
Check visually and replace switch.
Run maintenance item U031 and turn feed switch 3 on and off
manually. Replace feed switch 3 if indication of the corresponding
switch on the touch panel is not displayed in reverse.
Run maintenance item U247 and select paper feeder paper feed
clutch 1 on the touch panel to be turned on and off. Check the sta-
tus and remedy if necessary.
Check (see service manual of paper feeder).
Replace the paper.
Check visually and replace switch.
Run maintenance item U031 and turn feed switch 3 on and off
manually. Replace feed switch 3 if indication of the corresponding
switch on the touch panel is not displayed in reverse.
Run maintenance item U247 and select following clutch on the
touch panel to be turned on and off. Check the status and remedy
if necessary.
Paper feeder paper feed clutch 1/2, paper feeder paper conveying
clutch
Check (see service manual of 3000-sheet paper feeder).
Replace the paper.
Check visually and replace any deformed pulleys.
Check visually and replace switch.
With 5 V DC present at YC2-8 on the paper feeder main PWB,
check if YC2-7 on the paper feeder main PWB remains low when
the paper feeder feed switch is turned on and off. If it does,
replace the paper feeder feed switch.
Run maintenance item U247 and select paper feeder paper feed
clutch 2 on the touch panel to be turned on and off. Check the sta-
tus and remedy if necessary.
Check (see service manual of paper feeder).