Kyocera KM-3035 Service Manual page 187

Problem
(11)
A paper jam in the
paper feed section
is indicated during
copying (jam in
copier vertical paper
conveying section).
Jam code 18
(12)
A paper jam in the
paper feed section
is indicated during
copying (jam in
paper feeder* verti-
cal conveying sec-
tion).
Jam code 19
(13)
A paper jam in the
paper feed section
is indicated during
copying (jam in by-
pass conveying sec-
tion).
Jam code 20
(14)
A paper jam in the
paper feed section
is indicated during
copying (multiple
sheets in copier pa-
per feed section).
Jam code 21
*Optional.
Causes/check procedures
Defective feed switch 2.
Broken feed switch 3 ac-
tuator.
Defective feed switch 3.
Defective registration
switch.
Check if the feed pulleys
and feed roller are de-
formed.
Broken feed switch 3 ac-
tuator.
Defective feed switch 3.
Broken desk feed switch
actuator.
Defective desk feed
switch.
Broken bypass feed switch
actuator.
Defective bypass feed
switch.
Defective registration
switch.
Broken feed switch 1 ac-
tuator.
Defective feed switch 1.
Broken feed switch 2 ac-
tuator.
Defective feed switch 2.
Broken feed switch 3 ac-
tuator.
Corrective measures
Run maintenance item U031 and turn feed switch 2 on and off
manually. Replace feed switch 2 if indication of the correspond-
ing switch on the operation panel is not displayed in reverse.
Check visually and replace feed switch 3 if its actuator is broken.
Run maintenance item U031 and turn feed switch 3 on and off
manually. Replace feed switch 3 if indication of the correspond-
ing switch on the operation panel is not displayed in reverse.
Run maintenance item U031 and turn the registration switch on
and off manually. Replace the switch if indication of the corre-
sponding switch on the operation panel is not displayed in re-
verse.
Check and repair if necessary.
Check visually and replace feed switch 3 if its actuator is broken.
Run maintenance item U031 and turn feed switch 3 on and off
manually. Replace feed switch 3 if indication of the correspond-
ing switch on the operation panel is not displayed in reverse.
Check visually and replace desk feed switch if its actuator is bro-
ken.
With 5 V DC present at CN2-8 on the desk main PCB, check if
CN2-7 on the desk main PCB remains low when the desk feed
switch is turned on and off. If it does, replace the desk feed
switch.
Check visually and replace the bypass feed switch if its actuator
is broken.
Run maintenance item U031 and turn the bypass feed switch on
and off manually. Replace the bypass feed switch if indication of
the corresponding switch on the operation panel is not displayed
in reverse.
Run maintenance item U031 and turn the registration switch on
and off manually. Replace the registration switch if indication of
the corresponding switch on the operation panel is not displayed
in reverse.
Check visually and replace feed switch 1 if its actuator is broken.
Run maintenance item U031 and turn feed switch 1 on and off
manually. Replace feed switch 1 if indication of the correspond-
ing switch on the operation panel is not displayed in reverse.
Check visually and replace feed switch 2 if its actuator is broken.
Run maintenance item U031 and turn feed switch 2 on and off
manually. Replace feed switch 2 if indication of the correspond-
ing switch on the operation panel is not displayed in reverse.
Check visually and replace feed switch 3 if its actuator is broken.
2FD/2FF/2FG
1-5-13