Kyocera KM-4230

2A3/4
3-6-21
(5)
A paper jam
in the paper
feed section
is indicated
during copy-
ing (jam in
copier vertical
paper convey-
ing section).
Broken feed switch actuator.
Defective feed switch.
Broken paper feed switch 1
actuator.
Defective paper feed switch 1.
Broken paper feed switch 2
actuator.
Defective paper feed switch 2.
Broken paper feed switch 3
actuator.
Defective paper feed switch 3.
Check if the feed pulleys and
feed rollers 1, 2 and 3 do not
contact each other.
Check if the feed pulleys and
feed rollers 1, 2 and 3 are
deformed.
Check visually and replace the
feed switch if its actuator is bro-
ken.
With 5 V DC present at CN13-2
on the engine PCB, check if
CN13-1 on the engine PCB
goes low when the feed switch
is turned on. If not, replace the
feed switch.
Check visually and replace pa-
per feed switch 1 if its actuator
is broken.
With 5 V DC present at CN13-5
on the engine PCB, check if
CN13-4 on the engine PCB
goes low when paper feed
switch 1 is turned on. If not,
replace paper feed switch 1.
Check visually and replace pa-
per feed switch 2 if its actuator
is broken.
With 5 V DC present at CN13-8
on the engine PCB, check if
CN13-7 on the engine PCB
goes low when paper feed
switch 2 is turned on. If not,
replace paper feed switch 2.
Check visually and replace
paper feed switch 3 if its
actuator is broken.
With 5 V DC present at CN13-
11 on the engine PCB, check if
CN13-10 on the engine PCB
goes low when paper feed
switch 3 is turned on. If not,
replace paper feed switch 3.
Check visually and remedy if
necessary.
Repair or replace if necessary.
Problem Causes/check procedures Corrective measures