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2KN/2KP
1-4-16
(16)
A paper jam in the
paper feed section is
indicated during
copying (multiple
sheets in deck paper
feed section 1).
Jam code 28
Broken deck conveying
switch 2 actuator.
Check visually and replace deck conveying switch 2 if its actuator
is broken.
Defective deck conveying
switch 2.
Run maintenance item U031 and turn deck conveying switch 2 on
and off manually. Replace deck conveying switch 2 if indication of
the corresponding sensor on the touch panel is not displayed in
reverse.
Defective timing switch 2.
Run maintenance item U031 and turn timing switch 2 on and off
manually. Replace timing switch 2 if indication of the correspond-
ing sensor on the touch panel is not displayed in reverse.
The deck conveying roller is
dirty with paper powder.
Check and, if it is dirty, clean it.
The deck conveying roller is
deformed or worn.
Check and, if it is deformed or worn, fix or replace it.
(17)
A paper jam in the
paper feed section is
indicated during
copying (multiple
sheets in deck paper
feed section 2).
Jam code 29
Broken deck conveying
switch 1 actuator.
Check visually and replace deck conveying switch 1 if its actuator
is broken.
Defective deck conveying
switch 1.
Run maintenance item U031 and turn deck conveying switch 1 on
and off manually. Replace deck conveying switch 1 if indication of
the corresponding sensor on the touch panel is not displayed in
reverse.
Broken deck conveying
switch 2 actuator.
Check visually and replace deck conveying switch 2 if its actuator
is broken.
Defective deck conveying
switch 2.
Run maintenance item U031 and turn deck conveying switch 2 on
and off manually. Replace deck conveying switch 2 if indication of
the corresponding sensor on the touch panel is not displayed in
reverse.
The deck conveying roller is
dirty with paper powder.
Check and, if it is dirty, clean it.
The deck conveying roller is
deformed or worn.
Check and, if it is deformed or worn, fix or replace it.
(18)
A paper jam in the
paper feed section is
indicated during
copying (multiple
sheets in optional
side feeder).
Jam code 30
Side feeder
Broken side feeder feed
switch actuator.
Check visually and replace the side feeder feed switch if its actua-
tor is broken.
Defective side feeder feed
switch.
Run maintenance item U031 and turn the side feeder feed switch
on and off manually. Replace the side feeder feed switch if indica-
tion of the corresponding sensor on the touch panel is not dis-
played in reverse.
The feed roller or feed left
roller is dirty with paper
powder.
Check and, if it is dirty, clean it.
The feed roller or feed left
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: ......
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