2KR/2KS
1-4-14
(6)
A paper jam in the
paper feed section is
indicated during
copying (no paper
feed from MP tray).
Jam code 14
Paper is extremely curled.
Replace the paper.
Check if the MP paper feed
pulley, MP forwarding pulley
and MP separation pulley
are deformed.
Check visually and replace any deformed pulleys.
Broken MP feed switch
actuator.
Check visually and replace switch.
Defective MP feed switch.
Run maintenance item U031 and turn MP feed switch on and off
manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
Check if the MP paper feed
clutch malfunctions.
Run maintenance item U032 and select MP paper feed clutch on
the touch panel to be turned on and off. Check the status and rem-
edy if necessary.
Electrical problem with the
MP paper feed clutch.
Check (see page 1-4-57).
(7)
A paper jam in the
paper feed section is
indicated during
copying (jam in 3000-
sheet paper feeder
horizontal paper con-
veying section).
Jam code 15
Paper is extremely curled.
Replace the paper.
Check if the paper side
guides are deformed.
Check visually and replace.
Defective paper path sen-
sor 3.
With 5 V DC present at CN6-12 on the PF main PWB, check if
CN6-11 on the PF main PWB remains low or high when paper
path sensor 3 is turned on and off. If it does, replace paper path
sensor 3.
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 3000-sheet paper feeder).
(8)
A paper jam in the
paper feed section is
indicated during
copying (jam in 3000-
sheet paper feeder
horizontal paper con-
veying section).
Jam code 16
Paper is extremely curled.
Replace the paper.
Check if the paper side
guides are deformed.
Check visually and replace.
Defective paper path sen-
sor 2.
With 5 V DC present at CN6-9 on the PF main PWB, check if
CN6-8 on the PF main PWB remains low or high when paper path
sensor 2 is turned on and off. If it does, replace paper path sensor
2.
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 3000-sheet 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: ......