Kyocera KM-4230 Service Manual page 467

2A3/4
Problem
(6)
A paper jam
in the paper
feed section
is indicated
during copy-
ing (jam in
converging
section).
(7)
A paper jam
in the paper
feed section
is indicated
during copy-
ing (multiple
sheets in pa-
per feed sec-
tion).
(8)
A paper jam
in the paper
feed section
is indicated
during copy-
ing (multiple
sheets in
copier vertical
conveying
section).
(9)
A paper jam
in the paper
feed section
is indicated
during copy-
ing (multiple
sheets before
registration
section).
3-6-22
Causes/check procedures
Broken registration switch ac-
tuator.
Defective registration switch.
Check if the feed pulleys and
feed rollers 1, 2 and 3 are de-
formed.
Check if the feed pulleys and
feed rollers 1, 2 and 3 do not
contact each other.
Check if the feed guides are
deformed.
Check if the feed guides are
deformed.
Check if the upper, middle and
lower feed guide plates are de-
formed.
Corrective measures
Check visually and replace the
registration switch if its actuator
is broken.
With 5 V DC present at CN8-B1
on the engine PCB, check if
CN8-B2 on the engine PCB
goes low when the registration
switch is turned on. If not, re-
place the registration switch.
Repair or replace if necessary.
Check visually and remedy if
necessary.
Check visually and remedy if
necessary.
Check visually and remedy if
necessary.
Check visually and remedy if
necessary.