IBM InfoColor 3170, User Manual

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IBM InfoColor 70 and 3170 Print Media Guide
GEM hot offset
Worm like streaks
Description Cause Solution
When looking at the gloss of
the image, recurrent very
narrow lines, similar to
scratches or cracks across the
web, are visible. Temperature set points IFX/
T5.N22 and IFX/T6.N22 are
too high. Decrease temperature set
points IFX/T5.N22 and IFX/
T6.N22 of both roll pairs in
steps of 2˚C until the offset
lines disappear.
hot offset line
WEB
Description Cause Solution
Tiny snakes, especially visible
in duo-colors and on papers
weighing more than 150 g/m
2
.
Erase voltage is too high. Consult your service technician
to reduce the erase voltage.
IPS/U2.N2 is too high (if erase
voltage was correct). To eliminate the worms
completely, reduce IPS/U2.N2
in steps of 20 to 40V
(depending on the quantity and
severity of the worms). Then,
transfer currents must always
be decreased.
wormlike streak
WEB