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2DA/2DB
1-5-15
(24)
An original jams in
the original convey-
ing section is indi-
cated during copying
(An original size error
jam).
Jam code 72
Broken DP timing switch*
1
actuator.
Check visually and replace DP timing switch if its actuator is bro-
ken.
Defective DP timing
switch*
1
.
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.
Check if the original con-
veying motor*
1
malfunc-
tions.
Run maintenance item U243 and select the original conveying
motor to be turned on and off. Check the status and remedy if nec-
essary.
(25)
An original jams in
the original convey-
ing section is indi-
cated during copying
(An original jam in
the original convey-
ing section 2).
Jam code 73
Broken DP timing switch*
1
actuator.
Check visually and replace DP timing switch if its actuator is bro-
ken.
Defective DP timing
switch*
1
.
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.
Check if the original con-
veying motor*
1
malfunc-
tions.
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 if the switchback
feedshift solenoid*
1
mal-
functions.
Run maintenance item U243 and select the switchback feedshift
solenoid to be turned on and off. Check the status and remedy if
necessary.
(26)
An original jams in
the original convey-
ing section is indi-
cated during copying
(An original jam in
the original convey-
ing section 3).
Jam code 74
Broken DP timing switch*
1
actuator.
Check visually and replace DP timing switch if its actuator is bro-
ken.
Defective DP timing
switch*
1
.
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.
Check if the original con-
veying motor*
1
malfunc-
tions.
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 if the switchback
feedshift solenoid malfunc-
tions*
1
.
Run maintenance item U243 and select the switchback feedshift
solenoid to be turned on and off. Check the status and remedy if
necessary.
(27)
An original jams in
the original switch-
back section is indi-
cated during copying
(An original jam in
the original switch-
back section).
Jam code 75
Defective original switch-
back switch*
1
.
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.
Check if the original con-
veying motor*
1
malfunc-
tions.
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 if the switchback
feedshift solenoid*
1
mal-
functions.
Run maintenance item U243 and select the switchback feedshift
solenoid to be turned on and off. Check the status and remedy if
necessary.
(28)
Original jams fre-
quently.
An original outside the
specifications is used.
Use only originals conforming to the specifications.
The DP forwarding pulley or
DP paper feed pulley is dirty
with paper powder.
Clean with isopropyl alcohol.
The DP paper feed pulley
and DP separation pad do
not contact correctly.
Check and remedy.
*1: Optional. *2: Optional for 16 ppm model. Standard for 20 ppm model.
Problem
Causes/check procedures
Corrective measures
Содержание KM-1650
Страница 1: ...SERVICE MANUAL Published in June 05 2DA70763 Revision 3 KM 1650 2050 ...
Страница 4: ...This page is intentionally left blank ...
Страница 10: ...This page is intentionally left blank ...
Страница 248: ...2DA 2DB 1 2 3 2 Figure 2 3 2 Power source PCB silk screen diagram 220 240 V AC 120 V AC ...
Страница 265: ...2DA 2DB 1 2 3 19 Figure 2 3 10 Operation unit PCB silk screen diagram ...
Страница 280: ......