Kyocera KM-3050 Service Manual page 155

Problem
(13) Broken feed switch 1/2/3 or
A paper jam in the MP feed switch actuator.
paper feed section is
Defective switch.
indicated during
copying (multiple
sheets in paper feed
section).
Jam code 21
Broken paper feeder feed
switch actuator.
Defective paper feeder feed
switch.
Check if the clutch malfunc-
tions.
Electrical problem with
clutch.
Check if paper feeder paper
feed clutch 1/2 malfunc-
tions.
Electrical problem with
paper feeder paper feed
clutch 1/2.
Defective feed pulleys or
feed rollers.
(14) Broken feed switch 1/2/3
A paper jam in the actuator.
paper feed section is
Defective switch.
indicated during
copying (multiple
sheets in vertical
conveying section).
Jam code 22
Defective feed pulleys or
feed rollers.
(15) Broken MP feed switch
A paper jam in the actuator.
paper feed section is
Defective switch.
indicated during
copying (multiple
sheets in MP tray
conveying section).
Jam code 23
(16) Broken feed switch 1 actua-
A paper jam in the tor.
paper conveying sec-
Defective switch.
tion is indicated dur-
ing copying (jam in
registration/transfer
section).
Jam code 30
The contact between the
right and left registration
rollers is not correct.
Causes/check procedures Corrective measures
Check visually and replace switch.
Run maintenance item U031 and turn switch on and off manually.
Replace the switch if indication of the corresponding switch on the
touch panel is not displayed in reverse.
Feed switch 1/2/3, MP feed switch
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 U032 and select following clutch on the
touch panel to be turned on and off. Check the status and remedy
if necessary.
Upper paper feed clutch, lower paper feed clutch, MP paper con-
veying clutch
Check (see page 1-4-51).
Run maintenance item U247 and select paper feeder paper feed
clutch 1/2 on the touch panel to be turned on and off. Check the
status and remedy if necessary.
Check (see service manual of 3000-sheet paper feeder).
Check visually and replace.
Check visually and replace switch.
Run maintenance item U031 and turn switch on and off manually.
Replace the switch if indication of the corresponding switch on the
touch panel is not displayed in reverse.
Feed switch 1/2/3
Check visually and replace.
Check visually and replace switch.
Run maintenance item U031 and turn switch on and off manually.
Replace the switch if indication of the corresponding switch on the
touch panel is not displayed in reverse.
MP feed switch, registration switch
Check visually and replace switch.
Run maintenance item U031 and turn switch on and off manually.
Replace the switch if indication of the corresponding switch on the
touch panel is not displayed in reverse.
Feed switch 1, registration switch
Check visually and replace.
2GN/2GP/2GR-6
1-4-15