Kyocera KM-C2520 Service Manual page 173

Problem
(9) Check if the paper side
A paper jam in the guides are deformed.
paper feed section is
Defective paper path sen-
indicated during
sor 1.
copying (jam in 3000-
sheet paper feeder
horizontal paper con-
veying section).
Check if paper feeder paper
Jam code 17
conveying clutch malfunc-
tions.
Electrical problem with
paper feeder paper convey-
ing clutch.
(10) Broken switch actuator.
A paper jam in the
Defective switch.
paper feed section is
indicated during
copying (jam in verti-
cal paper conveying
section).
Defective paper conveying
Jam code 18
clutch.
Electrical problem with
paper conveying clutch.
(11) Broken feed switch 3 actua-
A paper jam in the tor.
paper feed section is
Defective feed switch 3.
indicated during
copying (jam in
optional paper feeder
vertical paper con-
veying section).
Jam code 19
(12) Broken MP paper feed
A paper jam in the switch actuator.
paper feed section is
Defective MP paper feed
indicated during
switch.
copying (multiple
sheets in MP tray).
Jam code 21
Defective paper conveying
clutch.
Electrical problem with
paper conveying clutch.
Causes/check procedures Corrective measures
Check visually and replace.
With 5 V DC present at CN6-6 on the paper feeder main PWB,
check if CN6-5 on the paper feeder main PWB remains low when
paper path sensor 1 is turned on and off. If it does, replace paper
path sensor 1.
Run maintenance item U247 and select paper feeder paper con-
veying clutch 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 switch.
Run maintenance item U031 and turn following 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, registration switch
Run maintenance item U032 and select paper conveying clutch
on the touch panel to be turned on and off. Check the status and
remedy if necessary.
Check (see page 1-4-57).
Check visually and replace switch.
Run maintenance item U031 and turn feed switch 3 on and off
manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
Check visually and replace switch.
Run maintenance item U031 and turn MP paper feed switch on
and off manually. Replace the switch if indication of the corre-
sponding switch on the touch panel is not displayed in reverse.
Run maintenance item U032 and select paper conveying clutch
on the touch panel to be turned on and off. Check the status and
remedy if necessary.
Check (see page 1-4-57).
2FZ/2F0/2HC
1-4-13