Kyocera KM-1650 Service Manual page 144

Problem
(24)
Broken DP timing switch*
An original jams in
actuator.
the original convey-
Defective DP timing
ing section is indi-
switch*
cated during copying
(An original size error
jam).
Check if the original con-
Jam code 72
veying motor*
tions.
(25)
Broken DP timing switch*
An original jams in
actuator.
the original convey-
Defective DP timing
ing section is indi-
switch*
cated during copying
(An original jam in
the original convey-
Check if the original con-
ing section 2).
veying motor*
Jam code 73
tions.
Check if the switchback
feedshift solenoid*
functions.
(26)
Broken DP timing switch*
An original jams in
actuator.
the original convey-
Defective DP timing
ing section is indi-
cated during copying switch*
(An original jam in
the original convey-
Check if the original con-
ing section 3).
veying motor*
Jam code 74
tions.
Check if the switchback
feedshift solenoid malfunc-
tions*
(27) Defective original switch-
An original jams in
back switch*
the original switch-
back section is indi-
Check if the original con-
cated during copying
veying motor*
(An original jam in
tions.
the original switch-
back section).
Check if the switchback
Jam code 75
feedshift solenoid*
functions.
(28) An original outside the
Original jams fre- specifications is used.
quently.
The DP forwarding pulley or
DP paper feed pulley is dirty
with paper powder.
The DP paper feed pulley
and DP separation pad do
not contact correctly.
*1: Optional. *2: Optional for 16 ppm model. Standard for 20 ppm model.
Causes/check procedures
1
1
.
1
malfunc-
1
1
.
1
malfunc-
1
mal-
1
1
.
1
malfunc-
1
.
1
.
1
malfunc-
1
mal-
Corrective measures
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.
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.
Run maintenance item U243 and select the switchback feedshift
solenoid to be turned on and off. Check the status and remedy if
necessary.
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.
Run maintenance item U243 and select the switchback feedshift
solenoid to be turned on and off. Check the status and remedy if
necessary.
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 U243 and select the original conveying
motor to be turned on and off. Check the status and remedy if nec-
essary.
Run maintenance item U243 and select the switchback feedshift
solenoid to be turned on and off. Check the status and remedy if
necessary.
Use only originals conforming to the specifications.
Clean with isopropyl alcohol.
Check and remedy.
2DA/2DB
1-5-15