2KR/2KS
1-4-20
(33)
A paper jam in fin-
isher is indicated dur-
ing copying (jam
between finisher and
machine).
Jam code 80
Defective paper entry sen-
sor.
(3000-sheet document finisher)
Run maintenance item U241 and turn the paper entry sensor on
and off manually. Replace the sensor if indication of the corre-
sponding sensor on the touch panel is not displayed in reverse.
(34)
A paper jam in fin-
isher is indicated dur-
ing copying (paper
jam during paper
insertion to the fin-
isher).
Jam code 81
3000-sheet document finisher
Extremely curled paper.
Change the paper.
Defective paper entry sen-
sor.
Run maintenance item U241 and turn the paper entry sensor on
and off manually. Replace the sensor if indication of the corre-
sponding sensor on the touch panel is not displayed in reverse.
Defective finisher main
PWB.
Replace the finisher main PWB and check for correct operation.
Document finisher
Extremely curled paper.
Change the paper.
Defective paper entry sen-
sor.
With 5 V DC present at CN3-1 and CN3-3 on the finisher main
PWB, check if CN3-2and CN3-4 on the finisher main PWB
remains low or high when the paper entry sensor is turned on and
off. If it does, replace the paper entry sensor.
Defective finisher main
PWB.
Replace the finisher main PWB and check for correct operation.
Built-in finisher
Extremely curled paper.
Replace the paper.
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 or high
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.
(35)
A paper jam in fin-
isher is indicated dur-
ing copying (finisher
stapler jam).
Jam code 82
3000-sheet document finisher/Document finisher
Defective staple home posi-
tion sensor.
Run maintenance item U241 and turn the staple home position
sensor on and off manually. Replace the sensor if indication of the
corresponding sensor on the touch panel is not displayed in
reverse.
Built-in finisher
The stapler is blocked with
a staple.
Remove the stapler cartridge, and check the cartridge and the sta-
pling section of the stapler. Remove the staple if any.
Defective stapler section.
With 5 V DC present at YC2-24 on the finisher control PWB,
check if YC2-19 on the finisher control PWB remains low or high.
If it does, replace the stapler section.
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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