Copying (Jam In Converging Section) - Kyocera Mita KM-4230 Service Manual

2A3/4
Problem
(3) Defective DF timing switch.
An original
jams in the
SRDF during
copying (a
jam in the
original feed/
conveying
Defective original feed switch.
section).
Defective original switchback
switch.
Check if the original feed motor
malfunctions.
Check if the DF original feed
pulley or the DF separation pul-
ley is deformed.
Check if the DF registration
roller or the DF registration pul-
ley is deformed.
Check if the lower original con-
veying roller or the front scan-
ning pulley is deformed.
3-6-26
Causes/check procedures Corrective measures
With 5 V DC present at
CN6-A15 on the DF driver PCB,
check if CN6-A14 on the DF
driver PCB remains low when
the DF timing switch is turned
on and off. If it does, replace
the DF timing switch.
With 5 V DC present at CN6-B4
on the DF driver PCB, check if
CN6-B5 on the DF driver PCB
remains low when the original
feed switch is turned on and off.
If it does, replace the original
feed switch.
With 5 V DC present at CN6-A6
on the DF driver PCB, check if
CN6-A5 on the DF driver PCB
remains low when the original
switchback switch is turned on
and off. If it does, replace the
original switchback switch.
Check and remedy.
Check visually and replace the
deformed pulley.
Check visually and replace the
deformed pulley.
Check visually and replace the
deformed pulley.