
2KR/2KS
1-4-21
(36)
A paper jam in fin-
isher is indicated dur-
ing copying (eject
sensor stay jam).
Jam code 83
3000-sheet document finisher
Defective eject switch 1.
Run maintenance item U241 and turn eject switch 1 on and off
manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
Document finisher
Defective eject paper sen-
sor.
With 5 V DC present at CN7-1 on the finisher main PWB, check if
CN7-3 on the finisher main PWB remains low or high when the
eject paper sensor is turned on and off. If it does, replace the eject
paper sensor.
Check if the paper convey-
ing motor malfunctions.
Check and remedy.
Check if the eject roller and
eject pulley contact each
other.
Check and remedy.
Check if the eject guide is
deformed.
Check and remedy.
Defective finisher main
PWB.
Replace the finisher main PWB and check for correct operation.
Built-in finisher
Defective paper conveying
switch.
With 5 V DC present at YC2-23 on the finisher control PWB,
check if YC2-21 on the finisher control PWB remains low when
the paper conveying switch is turned on and off. If it does, replace
the paper conveying switch.
Check if the feedshift roller
or feedshift pulley is
deformed.
Check and remedy.
(37)
A paper jam in fin-
isher is indicated dur-
ing copying (right sub
tray eject jam).
Jam code 84
Defective eject switch 2.
Run maintenance item U241 and turn eject switch 2 on and off
manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
(38)
A paper jam in fin-
isher is indicated dur-
ing copying (left sub
tray eject jam).
Jam code 85
Defective eject switch 3.
Run maintenance item U241 and turn eject switch 3 on and off
manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
(39)
A paper jam in fin-
isher is indicated dur-
ing copying (internal
tray paper entry sen-
sor 1 jam).
Jam code 86
Defective internal tray
paper entry sensor 1.
Run maintenance item U241 and turn internal tray paper entry
sensor 1 on and off manually. Replace the switch if indication of
the corresponding switch on the touch panel is not displayed in
reverse.
(40)
A paper jam in fin-
isher is indicated dur-
ing copying (inner
tray paper entry sen-
sor 2 jam).
Jam code 87
Defective inner tray paper
entry sensor 2.
Run maintenance item U241 and turn inner tray paper entry sen-
sor 2 on and off manually. Replace the switch if indication of the
corresponding switch on the touch panel is not displayed in
reverse.
Problem
Causes/check procedures
Corrective measures
Содержание TASKalfa 420i
Страница 1: ...SERVICE MANUAL Published in May 2010 842KS113 2KSSM063 Rev 3 TASKalfa 420i TASKalfa 520i ...
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Страница 14: ...2KR 2KS This page is intentionally left blank ...
Страница 224: ...2KR 2KS 1 4 66 This page is intentionally left blank ...
Страница 328: ...2KR 2KS 2 3 30 This page is intentionally left blank ...
Страница 371: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Страница 381: ...INSTALLATION GUIDE FOR 3000 SHEETS PAPER FEEDER ...
Страница 436: ...INSTALLATION GUIDE FOR CENTER FOLDING UNIT ...
Страница 450: ...INSTALLATION GUIDE FOR MAILBOX ...
Страница 458: ...INSTALLATION GUIDE FOR HOLE PUNCH UNIT ...
Страница 470: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Страница 483: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Страница 491: ...INSTALLATION GUIDE FOR FAX System ...
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