Service manual

2DA/2DB
1-5-14
Problem Causes/check procedures Corrective measures
Broken duplex paper con-
veying switch*
1
actuator.
Defective duplex paper
conveying switch*
1
.
Broken registration switch
actuator.
Defective registration
switch.
Check if the duplex feed
clutch*
1
malfunctions.
Electrical problem with the
duplex feed clutch*
1
.
A piece of paper torn from
an original is caught
around the DP timing
switch*
1
or original
switchback switch*
1
.
Defective DP timing
switch*
1
.
Defective original
switchback switch*
1
.
Defective original set
switch*
1
.
Check if the original feed
motor*
1
malfunctions.
Check if the DP paper
feed pulley or DP separa-
tion pad is deformed.
Broken DP timing switch*
1
actuator.
Defective DP timing
switch*
1
.
Check if the original con-
veying motor*
1
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 cor-
responding 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 indi-
cation 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 cor-
responding 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 neces-
sary.
Check visually and replace the deformed pulley.
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
necessary.
(20)
A paper jam in the
duplex section is
indicated during
copying (misfeed in
duplex paper con-
veying section).
Jam code 61
(21)
An original jams
when the power
switch is turned on.
(22)
An original jams in
the original feed
section is indicated
during copying (no
original feed).
Jam code 70
(23)
An original jams in
the original convey-
ing section is indi-
cated during copy-
ing (An original jam
in the original con-
veying section 1).
Jam code 71
*1: Optional. *2: Optional for 16 ppm model. Standard for 20 ppm model.