KIP 9000 Service Manual page 523

7. 3. 2.12 Leading margin defect (No leading margin)
Cause Order
Setting value of
leading margin
Feeding rollers in the
Roll Deck
Paper Gate Clutch
(MC5)
7. 3. 2.13 Jitter
Cause Order
Drum and Drum
Driving Part
Developer Roller
Developer Unit
Drum Motor (M1)
Checking matter
1 Check the setting values on the
following setting items of
Adjustment Modes 0 and 1.
4-bb : Image placement
(For 2nd and later
copies during multi-
print)
5-00 to 0b : Image placement
for cut sheet media
5-0C to 17: Image placement for
Roll 1
5-18 to 23 : Image placement for
Roll 2
5-24 to 2F : Image placement for
Roll 3
5-30 to 3b : Image placement for
Roll 4
Is a proper setting value specified
in each Item Number?
2 Is the surface of feeding rollers
worn away as a result of long term
use?
3 Is the Paper Gate Clutch slipping?
Checking matter
1 If the jitter appear on the same
printed sheet repeatedly from LE
to TE having constant interval,
measure the interval between
voids. Is the interval about
565mm?
2 If the jitter appear on the same
printed sheet repeatedly from LE
to TE having constant interval,
measure the interval between
voids. Is the interval about
173mm?
3 If the jitter appear on the same
printed sheet repeatedly from LE
to TE having constant interval,
measure the interval between
voids. Is the interval about 6mm?
4 Can the issue be fixed by
replacing the Drum Motor?
7-36
Result Treatment
No Change the setting value properly.
Yes Replace the feeding rollers.
Yes Replace the Paper Gate Clutch.
Result Treatment
Yes 1. Check if any foreign substance is
on the 178T Gear or 72T Pulley
that drive the Drum.
2. Check if any foreign substance is
on the Developer Counter Roller
or the end of Drum (to which the
Developer Counter Roller
contacts).
Yes Check the surface of Developer
Roller.
1. In , clean it with a dry cloth.
2. In damaged, replace the
Developer Roller.
Yes 1. Check if either 30T Gear of
Developer Unit is damaged.
2. Check if any foreign substance is
on the 30T Gear.
Yes OK
K115sm7e1.doc