Kyocera KM-3035 Service Manual page 188

2FD/2FF/2FG
Problem
(14)
A paper jam in the
paper feed section
is indicated during
copying (multiple
sheets in copier pa-
per feed section).
Jam code 21
(15)
A paper jam in the
paper feed section
is indicated during
copying (multiple
sheets in copier ver-
tical conveying sec-
tion).
Jam code 22
*Optional.
1-5-14
Causes/check procedures
Defective feed switch 3.
Broken desk feed switch*
actuator.
Defective desk feed
switch*.
Broken bypass feed switch
actuator.
Defective bypass feed
switch.
Check if the upper paper
feed clutch malfunctions.
Electrical problem with the
upper paper feed clutch.
Check if the lower paper
feed clutch malfunctions.
Electrical problem with the
lower paper feed clutch.
Check if the bypass paper
feed clutch malfunctions.
Electrical problem with the
bypass paper feed clutch.
Check if the feed pulleys
and feed roller are de-
formed.
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 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 the desk feed switch if its actuator is
broken.
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 U032 and select the upper paper feed
clutch on the operation panel to be turned on and off. Check the
status and remedy if necessary.
Check (see page 1-5-48).
Run maintenance item U032 and select the lower paper feed
clutch on the operation panel to be turned on and off. Check the
status and remedy if necessary.
Check (see page 1-5-48).
Run maintenance item U032 and select the bypass feed clutch
on the operation panel to be turned on and off. Check the status
and remedy if necessary.
Check (see page 1-5-49).
Check and repair if necessary.
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 the switch if indication of the corresponding
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.