Paper Misfeeds - Kyocera Mita KM-1530 Service Manual

2AV/X

(3) Paper misfeeds

Problem
(1)
A paper jam in the
paper feed,
conveying, fixing or
eject section is
indicated as soon as
the main switch is
turned on.
1-5
(2)
A paper jam in the
paper feed section
is indicated during
copying (no paper
feed from copier
upper drawer).
(3)
A paper jam in the
paper feed section
is indicated during
copying (no paper
feed from copier
1
lower drawer* ).
*1: Standard for 20 cpm copier/optional for 15 cpm copier. *2: Optional for both 20 cpm and 15 cpm copiers.
1-5-8
Causes/check procedures
A piece of paper torn from
copy paper is caught
around the registration
switch, the drawer feed
switch* 1 , drawer feed switch
(ST) 1* 2 or the eject switch.
Defective registration
switch.
Defective drawer feed
switch* 1 .
Defective drawer feed
switch (ST) 1* 2 .
Defective eject switch.
Paper in the upper drawer
is extremely curled.
Check if the upper paper
feed pulleys are deformed.
Broken registration switch
actuator.
Defective registration
switch.
Check if the upper paper
feed clutch malfunctions.
Electrical problem with the
upper paper feed clutch.
Paper in the lower
1
drawer* is extremely
curled.
Check if the lower paper
1
feed pulleys* are
deformed.
Broken registration switch
actuator.
Defective registration
switch.
Check if the lower paper
1
feed clutch* malfunctions.
Electrical problem with the
1
lower paper feed clutch* .
Corrective measures
Check visually and remove any found.
With 5 V DC present at CN3-6 on the main PCB, check if CN3-7
on the main PCB remains low when the registration switch is
turned on and off. If it does, replace the registration switch.
With 5 V DC present at CN8-21 on the main PCB, check if CN8-
23 on the main PCB remains low when the drawer feed switch*
is turned on and off. If it does, replace the drawer feed switch*
With 5 V DC present at CN8-21 on the main PCB, check if CN8-
24 on the main PCB remains low when drawer feed switch (ST)
1* 2 is turned on and off. If it does, replace drawer feed switch
2
(ST) 1* .
With 5 V DC present at CN12-7 on the main PCB, check if
CN12-6 on the main PCB remains low when the eject switch is
turned on and off. If it does, replace the eject switch.
Change the paper.
Check visually and replace the pulleys if deformed. (see page 1-
6-3).
Check visually and replace the registration switch if its actuator
is broken.
With 5 V DC present at CN3-6 on the main PCB, check if CN3-7
on the main PCB remains low when the registration switch is
turned on and off. If it does, replace the registration switch.
Check and remedy if necessary.
Check (see page 1-5-26).
Change the paper.
Check visually and replace the pulleys if deformed (see page 1-
6-5).
Check visually and replace the registration switch if its actuator
is broken.
With 5 V DC present at CN3-6 on the main PCB, check if CN3-7
on the main PCB remains low when the registration switch is
turned on and off. If it does, replace the registration switch.
Check and remedy if necessary.
Check (see page 1-5-26).
1
1 .