Kyocera KM-1650 Service Manual page 143

2DA/2DB
Problem
(20)
A paper jam in the
duplex section is indi-
cated during copying
(misfeed in duplex
paper conveying sec-
tion).
Jam code 61
(21)
An original jams
when the power
switch is turned on.
(22)
An original jams in
the original feed sec-
tion is indicated dur-
ing copying (no
original feed).
Jam code 70
(23)
An original jams in
the original convey-
ing section is indi-
cated during copying
(An original jam in
the original convey-
ing section 1).
Jam code 71
*1: Optional. *2: Optional for 16 ppm model. Standard for 20 ppm model.
1-5-14
Causes/check procedures
Broken duplex paper con-
1
veying switch* actuator.
Defective duplex paper con-
1
veying switch* .
Broken registration switch
actuator.
Defective registration
switch.
Check if the duplex feed
1
clutch* malfunctions.
Electrical problem with the
1
duplex feed clutch* .
A piece of paper torn from
an original is caught around
1
the DP timing switch* or
original switchback
1
switch* .
Defective DP timing
1
switch* .
Defective original switch-
1
back switch* .
Defective original set
1
switch* .
Check if the original feed
1
motor* malfunctions.
Check if the DP paper feed
pulley or DP separation pad
is deformed.
Broken DP timing switch*
actuator.
Defective DP timing
1
switch* .
Check if the original con-
1
veying motor* malfunc-
tions.
Check visually and replace the duplex paper conveying switch if
its actuator is broken.
Run maintenance item U031 and turn duplex paper conveying
switch on and off manually. Replace duplex paper conveying
switch if indication of the corresponding switch is not light.
Check visually and replace the registration switch if its actuator is
broken.
Run maintenance item U031 and turn registration switch on and
off manually. Replace registration switch if indication of the corre-
sponding switch is not light.
Check visually and remedy if necessary.
Check.
Check visually and remove it, if any.
Run maintenance item U244 and turn DP timing switch on and off
manually. Replace DP timing switch if indication of the corre-
sponding switch is not light.
Run maintenance item U244 and turn original switchback switch
on and off manually. Replace original switchback switch if indica-
tion of the corresponding switch is not light.
Run maintenance item U244 and turn original set switch on and
off manually. Replace original set switch if indication of the corre-
sponding switch is not light.
Run maintenance item U243 and select the original feed motor to
be turned on and off. Check the status and remedy if necessary.
Check visually and replace the deformed pulley.
1 Check visually and replace DP timing switch if its actuator is bro-
ken.
Run maintenance item U244 and turn DP timing switch on and off
manually. Replace DP timing switch if indication of the corre-
sponding switch is not light.
Run maintenance item U243 and select the original conveying
motor to be turned on and off. Check the status and remedy if nec-
essary.
Corrective measures