2KN/2KP
1-4-21
(34)
A paper jam in the
duplex section is indi-
cated during copying
(jam 1 in duplex con-
veying section).
Jam code 64
Broken duplex feed switch
actuator.
Check visually and replace the duplex feed switch if its actuator is
broken.
Defective duplex feed
switch.
Run maintenance item U031 and turn the duplex feed switch on
and off manually. Replace the duplex feed switch if indication of
the corresponding sensor on the touch panel is not displayed in
reverse.
Broken duplex conveying
switch 1 actuator.
Check visually and replace duplex conveying switch 1 if its actua-
tor is broken.
Defective duplex convey-
ing switch 1.
Run maintenance item U031 and turn duplex conveying switch 1
on and off manually. Replace duplex conveying switch 1 if indica-
tion of the corresponding sensor on the touch panel is not dis-
played in reverse.
The refeed roller is dirty
with paper powder.
Check and, if it is dirty, clean it.
The refeed roller is
deformed or worn.
Check and, if it is deformed or worn, fix or replace it.
(35)
A paper jam in the
duplex section is indi-
cated during copying
(jam 2 in duplex con-
veying section).
Jam code 65
Broken duplex conveying
switch 1 actuator.
Check visually and replace duplex conveying switch 1 if its actua-
tor is broken.
Defective duplex convey-
ing switch 1.
Run maintenance item U031 and turn duplex conveying switch 1
on and off manually. Replace duplex conveying switch 1 if indica-
tion of the corresponding sensor on the touch panel is not dis-
played in reverse.
Broken duplex conveying
switch 2 actuator.
Check visually and replace duplex conveying switch 2 if its actua-
tor is broken.
Defective duplex convey-
ing switch 2.
Run maintenance item U031 and turn duplex conveying switch 2
on and off manually. Replace duplex conveying switch 2 if indica-
tion of the corresponding sensor on the touch panel is not dis-
played in reverse.
The DU conveying roller is
dirty with paper powder.
Check and, if it is dirty, clean it.
The DU conveying roller is
deformed or worn.
Check and, if it is deformed or worn, fix or replace it.
(36)
A paper jam in the
duplex section is indi-
cated during copying
(jam 3 in duplex con-
veying section).
Jam code 66
Broken duplex conveying
switch 2 actuator.
Check visually and replace duplex conveying switch 2 if its actua-
tor is broken.
Defective duplex convey-
ing switch 2.
Run maintenance item U031 and turn duplex conveying switch 2
on and off manually. Replace duplex conveying switch 2 if indica-
tion of the corresponding sensor on the touch panel is not dis-
played in reverse.
Broken duplex conveying
switch 3 actuator.
Check visually and replace duplex conveying switch 3 if its actua-
tor is broken.
Defective duplex convey-
ing switch 3.
Run maintenance item U031 and turn duplex conveying switch 3
on and off manually. Replace duplex conveying switch 3 if indica-
tion of the corresponding sensor on the touch panel is not dis-
played in reverse.
The DU conveying roller is
dirty with paper powder.
Check and, if it is dirty, clean it.
The DU conveying roller is
deformed or worn.
Check and, if it is deformed or worn, fix or replace it.
Problem
Causes/check procedures
Corrective measures
Summary of Contents for TASKalfa 620
Page 1: ...SERVICE MANUAL Published in August 2009 842KP112 2KPSM062 Rev 2 TASKalfa 620 820 ...
Page 4: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 144: ...2KN 2KP 1 3 106 This page is intentionally left blank ...
Page 308: ...2KN 2KP 1 5 88 This page is intentionally left blank ...
Page 412: ...2KN 2KP 2 3 60 This page is intentionally left blank ...
Page 435: ...1 1 INSTALLATION GUIDE INSTALLATION GUIDE FOR SIDE FEEDER ...
Page 442: ...INSTALLATION GUIDE FOR LARGE SIZE SIDE FEEDER ...
Page 460: ...INSTALLATION GUIDE FOR DOCUMENT FINISHER ...
Page 475: ...INSTALLATION GUIDE FOR CENTERFOLD UNIT ...
Page 490: ...INSTALLATION GUIDE FOR MULTI JOB TRAY ...
Page 501: ...INSTALLATION GUIDE FOR PUNCH UNIT ...
Page 512: ...INSTALLATION GUIDE FOR STOPPER GUIDE ...
Page 515: ...INSTALLATION GUIDE FOR PRINTING SYSTEM ...
Page 518: ...INSTALLATION GUIDE FOR SCAN SYSTEM ...
Page 520: ......
Page 521: ......