2KN/2KP
1-4-20
(32)
A paper jam in the
duplex section is indi-
cated during copying
(jam in duplex inter-
nal tray).
Jam code 62
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.
Check if the duplex switch-
back motor malfunctions.
Run maintenance item U030 and select the duplex switchback
motor on the touch panel to be turned on and off. Check the status
and remedy if necessary.
Electrical problem with the
duplex switchback motor.
Check (see page 1-4-63).
Defective duplex switch-
back solenoid.
Run maintenance item U033 and select duplex switchback sole-
noid on the touch panel to be turned on and off. Check the status
and remedy if necessary.
Electrical problem with
duplex switchback solenoid.
Check (see page 1-4-67).
The DU switchback roller is
dirty with paper powder.
Check and, if it is dirty, clean it.
The DU switchback roller is
deformed or worn.
Check and, if it is deformed or worn, fix or replace it.
(33)
A paper jam in the
duplex section is indi-
cated during copying
(jam in duplex regis-
tration section).
Jam code 63
Defective switchback exit
switch.
Run maintenance item U031 and turn the switchback exit switch
on and off manually. Replace the switchback exit switch if indica-
tion of the corresponding sensor on the touch panel is not dis-
played in reverse.
Defective exit switch.
Run maintenance item U031 and turn the exit switch on and off
manually. Replace the exit switch if indication of the correspond-
ing sensor on the touch panel is not displayed in reverse.
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.
The switchback feed roller
is dirty with paper powder.
Check and, if it is dirty, clean it.
The switchback feed 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 ...
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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: ......