Kyocera KM-4230

2A3/4
3-6-18
Check visually and remove it, if
any.
With 5 V DC present at CN13-5
on the engine PCB, check if
CN13-4 on the engine PCB re-
mains low when paper feed
switch 1 is turned on and off. If
it does, replace paper feed
switch 1.
With 5 V DC present at CN13-8
on the engine PCB, check if
CN13-7 on the engine PCB re-
mains low when paper feed
switch 2 is turned on and off. If
it does, replace paper feed
switch 2.
With 5 V DC present at CN13-
11 on the engine PCB, check if
CN13-10 on the engine PCB
remains low when paper feed
switch 3 is turned on and off. If
it does, replace paper feed
switch 3.
With 5 V DC present at CN13-2
on the engine PCB, check if
CN13-1 on the engine PCB re-
mains low when the feed switch
is turned on and off. If it does,
replace the feed switch.
With 5 V DC present at CN8-B1
on the engine PCB, check if
CN8-B2 on the engine PCB
remains low when the registra-
tion switch is turned on and off.
If it does, replace the registra-
tion switch.
(1)
A paper jam
in the paper
feed, convey-
ing or eject
section is indi-
cated as soon
as the main
switch is
turned on.
A piece of paper torn from copy
paper is caught around paper
feed switch 1/2/3, the feed
switch,registration switch or
eject switch.
Defective paper feed switch 1.
Defective paper feed switch 2.
Defective paper feed switch 3.
Defective feed switch.
Defective registration switch.
3-6-2 Paper misfeeds
• Copier
Problem Causes/check procedures Corrective measures