2KN/2KP
1-4-13
(9)
A paper jam in the
paper feed section is
indicated during
copying (jam in
copier vertical paper
conveying section 3).
Jam code 20
Broken feed switch 3 actua-
tor.
Check visually and replace feed switch 3 if its actuator is broken.
Defective feed switch 3.
Run maintenance item U031 and turn feed switch 3 on and off
manually. Replace feed switch 3 if indication of the corresponding
sensor on the touch panel is not displayed in reverse.
Broken feed switch 4 actua-
tor.
Check visually and replace feed switch 4 if its actuator is broken.
Defective feed switch 4.
Run maintenance item U031 and turn feed switch 4 on and off
manually. Replace feed switch 4 if indication of the corresponding
sensor on the touch panel is not displayed in reverse.
The vertical feed roller is
dirty with paper powder.
Check and, if it is dirty, clean it.
The vertical feed roller is
deformed or worn.
Check and, if it is deformed or worn, fix or replace it.
(10)
A paper jam in the
paper feed section is
indicated during
copying (jam in
copier vertical paper
conveying section 4).
Jam code 21
Broken feed switch 2 actua-
tor.
Check visually and replace feed switch 2 if its actuator is broken.
Defective feed switch 2.
Run maintenance item U031 and turn feed switch 2 on and off
manually. Replace feed switch 2 if indication of the corresponding
sensor on the touch panel is not displayed in reverse.
Broken feed switch 4 actua-
tor.
Check visually and replace feed switch 4 if its actuator is broken.
Defective feed switch 4.
Run maintenance item U031 and turn feed switch 4 on and off
manually. Replace feed switch 4 if indication of the corresponding
sensor on the touch panel is not displayed in reverse.
Broken feed switch 5 actua-
tor.
Check visually and replace feed switch 5 if its actuator is broken.
Defective feed switch 5.
Run maintenance item U031 and turn feed switch 5 on and off
manually. Replace feed switch 5 if indication of the corresponding
sensor on the touch panel is not displayed in reverse.
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.
The vertical feed roller or
deck conveying roller is
dirty with paper powder.
Check and, if it is dirty, clean it.
The vertical feed roller or
deck 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: ......