2KR/2KS
1-4-13
(4)
A paper jam in the
paper feed section is
indicated during
copying (no paper
feed from cassette
3).
Jam code 12
Paper feeder
Paper is extremely curled.
Replace the paper.
Check if the paper feed pul-
ley, forwarding pulley and
separation pulley of cas-
sette 3 are deformed.
Check visually and replace any deformed pulleys.
Broken feed switch 3 actua-
tor.
Check visually and replace switch.
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
switch on the touch panel is not displayed in reverse.
Check if PF paper feed
clutch 1 malfunctions.
Run maintenance item U247 and select PF paper feed clutch 1 on
the touch panel to be turned on and off. Check the status and rem-
edy if necessary.
Electrical problem with PF
paper feed clutch 1.
Check (see service manual of paper feeder).
3000-sheet paper feeder
Paper is extremely curled.
Replace the paper.
Broken feed switch 3 actua-
tor.
Check visually and replace switch.
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
switch on the touch panel is not displayed in reverse.
Check if the clutch malfunc-
tions.
Run maintenance item U247 and select following clutch on the
touch panel to be turned on and off. Check the status and remedy
if necessary.
PF paper feed clutch 1/2, PF paper conveying clutch
Electrical problem with
clutch.
Check (see service manual of 3000-sheet paper feeder).
(5)
A paper jam in the
paper feed section is
indicated during
copying (no paper
feed from cassette
4).
Jam code 13
Paper is extremely curled.
Replace the paper.
Check if the paper feed pul-
ley, forwarding pulley and
separation pulley of cas-
sette 4 are deformed.
Check visually and replace any deformed pulleys.
Broken paper feeder feed
switch actuator.
Check visually and replace switch.
Defective PF feed switch.
With 5 V DC present at YC3-7 on the PF main PWB, check if YC3-
5 on the PF main PWB remains low or high when the PF feed
switch is turned on and off. If it does, replace the PF feed switch.
Check if PF paper feed
clutch 2 malfunctions.
Run maintenance item U247 and select PF paper feed clutch 2 on
the touch panel to be turned on and off. Check the status and rem-
edy if necessary.
Electrical problem with PF
paper feed clutch 2.
Check (see service manual of paper feeder).
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 ...
Страница 4: ...This page is intentionally left blank ...
Страница 10: ...This page is intentionally left blank ...
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 ...
Страница 507: ......
Страница 508: ......