Kyocera TASKalfa 620 Service Manual page 159

Problem Causes/check procedures
(14) Broken feed switch 3 actua-
A paper jam in the tor.
paper feed section is
Defective feed switch 3.
indicated during
copying (multiple
sheets in paper feed
section).
Broken feed switch 4 actua-
Jam code 26
tor.
Defective feed switch 4.
The vertical feed roller is
dirty with paper powder.
The vertical feed roller is
deformed or worn.
(15) Broken feed switch 2 actua-
A paper jam in the
tor.
paper feed section is
Defective feed switch 2.
indicated during
copying (multiple
sheets in paper feed
section).
Defective timing switch 2.
Jam code 27
Defective timing switch 3.
Defective timing switch 4.
Broken deck conveying
switch 1 actuator.
Defective deck conveying
switch 1.
The vertical feed roller or
deck conveying roller is
dirty with paper powder.
The vertical feed roller or
deck conveying roller is
deformed or worn.
Corrective measures
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 corresponding
sensor on the touch panel is not displayed in reverse.
Check visually and replace feed switch 4 if its actuator is broken.
Run maintenance item U031 and turn feed switch 4 on and off
manually. Replace feed switch 4 if indication of the corresponding
sensor on the touch panel is not displayed in reverse.
Check and, if it is dirty, clean it.
Check and, if it is deformed or worn, fix or replace it.
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 corresponding
sensor on the touch panel is not displayed in reverse.
Run maintenance item U031 and turn timing switch 2 on and off
manually. Replace timing switch 2 if indication of the correspond-
ing sensor on the touch panel is not displayed in reverse.
Run maintenance item U031 and turn timing switch 3 on and off
manually. Replace timing switch 3 if indication of the correspond-
ing sensor on the touch panel is not displayed in reverse.
Run maintenance item U031 and turn timing switch 4 on and off
manually. Replace timing switch 4 if indication of the correspond-
ing sensor on the touch panel is not displayed in reverse.
Check visually and replace deck conveying switch 1 if its actuator
is broken.
Run maintenance item U031 and turn deck conveying switch 1 on
and off manually. Replace deck conveying switch 1 if indication of
the corresponding sensor on the touch panel is not displayed in
reverse.
Check and, if it is dirty, clean it.
Check and, if it is deformed or worn, fix or replace it.
2KN/2KP
1-4-15