Copying (Multiple Sheets In Paper Feed Section); Conveying Section); Copying (Multiple Sheets Before Registration Section) - Kyocera Mita KM-4230 Service Manual

Problem Causes/check procedures
(3) Check if the original conveying
An original motor malfunctions.
jams in the
Check if the middle original
SRDF during
conveying roller and middle
copying (a
original conveying pulley
jam in the
contact each
original feed/
other correctly.
conveying
section).
(4) Defective original switchback
An original switch.
jams in the
SRDF during
copying (a
jam in the
original
switchback
Defective DF timing switch.
section).
Check if the original feed motor
malfunctions.
Check if the original conveying
motor malfunctions.
(5) An original outside the specifi-
Original jams cations is used.
frequently.
The DF forwarding pulleys, DF
original feed pulley or DF
switchback pulley is dirty with
paper powder.
The DF original feed pulley and
the DF separation pulley do not
contact correctly.
Corrective measures
Check and remedy.
Check and remedy.
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.
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.
Check and remedy.
Check and remedy.
Use only originals conforming
to the specifications.
Clean with isopropyl alcohol.
Remedy.
2A3/4
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