
2KN/2KP
1-4-76
DP
Problem
Causes/check procedures
Corrective measures
(1)
No primary original feed.
The surfaces of the DP forwarding pulleys or
DP feed belts are dirty with paper powder.
Check and clean them with isopropyl alcohol
if they are dirty.
Check if the DP forwarding pulley is
deformed.
Check visually and replace any deformed
pulley (see page 1-5-75).
Electrical problem with the original feed
motor.
See page 1-4-72.
Check if the DP feed belts are loose.
Reinstall the DP feed belts.
(2)
No secondary paper
feed.
The surfaces of the DP separation roller is
dirty with paper powder.
Check and clean them with isopropyl alcohol
if it is dirty.
Check if the DP separation roller is deformed. Check visually and replace any deformed
roller (see page 1-5-75).
Electrical problem with the following motors:
original conveying motor and original registra-
tion motor.
See page 1-4-72.
(3)
Originals jam.
Originals outside the specifications are used.
Use only originals conforming to the specifi-
cations.
The surfaces of the DP forwarding pulley, DP
feed belts or DP separation roller are dirty
with paper powder.
Check and clean them with isopropyl alcohol
if they are dirty.
The DP forwarding pulley and the DP separa-
tion roller do not contact each other correctly.
Check visually and remedy if necessary.
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: ......