Kyocera KM-3050 Service Manual page 153

Problem
(6) Paper is extremely curled.
A paper jam in the
Check if the MP paper feed
paper feed section is
pulley, MP forwarding pulley
indicated during
and MP separation pulley
copying (no paper
are deformed.
feed from MP tray).
Jam code 14
Broken MP feed switch
actuator.
Defective MP feed switch.
Check if the MP paper feed
clutch malfunctions.
Electrical problem with the
MP paper feed clutch.
(7) Paper is extremely curled.
A paper jam in the
Check if the paper side
paper feed section is
guides are deformed.
indicated during
copying (jam in 3000-
Defective paper path sen-
sheet paper feeder
sor 3.
horizontal paper con-
veying section).
Jam code 15
Check if paper feeder paper
feed clutch 2 malfunctions.
Electrical problem with
paper feeder paper feed
clutch 2.
(8) Paper is extremely curled.
A paper jam in the
Check if the paper side
paper feed section is
guides are deformed.
indicated during
copying (jam in 3000-
Defective paper path sen-
sheet paper feeder
sor 2.
horizontal paper con-
veying section).
Jam code 16
Check if paper feeder paper
feed clutch 1 malfunctions.
Electrical problem with
paper feeder paper feed
clutch 1.
Causes/check procedures Corrective measures
Replace the paper.
Check visually and replace any deformed pulleys.
Check visually and replace switch.
Run maintenance item U031 and turn MP feed switch 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 U032 and select MP paper feed clutch on
the touch panel to be turned on and off. Check the status and rem-
edy if necessary.
Check (see page 1-4-51).
Replace the paper.
Check visually and replace.
With 5 V DC present at CN6-12 on the paper feeder main PWB,
check if CN6-11 on the paper feeder main PWB remains low when
paper path sensor 3 is turned on and off. If it does, replace paper
path sensor 3.
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 3000-sheet paper feeder).
Replace the paper.
Check visually and replace.
With 5 V DC present at CN6-9 on the paper feeder main PWB,
check if CN6-8 on the paper feeder main PWB remains low when
paper path sensor 2 is turned on and off. If it does, replace paper
path sensor 2.
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 3000-sheet paper feeder).
2GN/2GP/2GR
1-4-13